Manuel d'utilisation / d'entretien du produit NP7161 du fabricant Canon
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) FY8-13FB-000 AUG. 1998 SERVICE MANUAL REVISION 0.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) IMPORTANT THIS DOCUMENTATION IS PUBLISHED BY CANON INC.
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) i INTR ODUCTION This Service Manual contains basic facts and figures on the NP7161/NP7160 needed to service the machine in the field. This copier is designed to enable full automatic copying work, and comes with the following systems accessories: 1.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) ii The following rules apply throughout this Service Manual: 1. Each chapter contains sections explaining the purpose of specific functions and the relationship between electrical and mechanical systems with reference to the timing of operation.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) iii System Configuration The copier is designed to accommodate the following accessories: *NP7161 only. ADF-G1* Control Card IV N Feeds a stack of original pages to the copyboard page by page.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) iv.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) v CONTENTS CHAPTER 1 GENERAL DESCRIPTION I. FEATURES .............................................. 1-1 II. SPECIFICATIONS ...........................
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) vi CHAPTER 3 EXPOSURE SYSTEM I. OUTLINE OF OPERATION ..................... 3-1 A. Changing the Reproduction Ratio ...... 3-1 II. LENS DRIVE SYSTEM ...
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) vii 1. Removing the Drum Unit ........... 4-28 2. Cleaning the Photosensitive Drum ........................................... 4-29 3. Removing the Cleaner Thermistor .
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) viii CHAPTER 6 FIXING SYSTEM I. OUTLINE OF OPERATION ..................... 6-1 A. Outline ................................................ 6-1 B. Controlling the Fixing Temperature .
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) ix CHAPTER 8 INSTALLATION I. SELECTING THE SITE ............................ 8-1 II. UNPACKING AND INSTALLATION ........ 8-2 A. Unpacking ............
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) x B. Image Fault Samples ..................... 10-28 C. Troubleshooting Image Faults ....... 10-29 1. The copy is too light. (halftone area only) ....
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) xi 1. DC Controller PCB ................... 10-77 2. Power Supply PCB .................. 10-80 3. Lamp Regulator PCB ............... 10-80 4. High-Voltage Power Supply PCB .
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) I. FEATURES .............................................. 1-1 II. SPECIFICATIONS ................................... 1-2 A. Copier ..................
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COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–1 CHAPTER 1 GENERAL DESCRIPTION I. FEA TURES 1. The copier is designed light in weight (about 42 kg), and compact in size (566 mm wide, 541mm deep).
1–2 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION II. SPECIFICA TIONS A. Copier 1. Type 2. Mechanisms Body Copyboard Light source Lens Photosensitive material Desktop Fixed Halogen lamp (120V:200W/230V:220W) Lens array OPC (30 dia.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–3 CHAPTER 1 GENERAL DESCRIPTION 3. Performance Original type Maximum original size Direct Reduc.
1–4 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION Claws Frame Copy tray Leading edge Trailing edge Left/right Auto clear Auto power-off Auto pre-heat Accessories Used 55 mm deep (500 sheets of 80 g/m 2 paper; 250 sheets if B5) 100 sheets approx.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–5 CHAPTER 1 GENERAL DESCRIPTION 4. Others Specifications subject to change without notice.
1–6 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION Size A3 (297 × 420mm) A4 (210 × 297mm) B4 (257 × 364mm) B5 (.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–7 CHAPTER 1 GENERAL DESCRIPTION Size 11" × 17" (279 × 432mm) LTR (297 × 216mm) LGL.
1–8 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION III. NAMES OF PARTS A.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–9 CHAPTER 1 GENERAL DESCRIPTION B. Cr oss Section 1.
1–10 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION IV . OPERA TING THE MA CHINE A.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–11 CHAPTER 1 GENERAL DESCRIPTION Ref. Name [15] [16] [17] [18] [19] [20] [21] [22] [23] [24] [25] [26] [27] [28] * Applies to the NP7161 only Description Remarks [10] [11] [12] [13] [14] *Requires an ADF.
1–12 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION B. User Mode 1. Outline The copier provides user modes, which may be changed freely by the user. These modes provide the functions shown in the following table.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–13 CHAPTER 1 GENERAL DESCRIPTION Changing Page Fit mode (ratio) Changing Page Fit mode (centeri.
1–14 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION V . ROUTINE MAINTENANCE (BY THE USER) Instruct the user to clean the following parts at least once a week.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–15 CHAPTER 1 GENERAL DESCRIPTION VI. POINTS T O NO TE (BY THE USER) • Toner Cartridge Instruct the user to dispose of any used (empty) toner cartridge according to governmental guidelines.
1–16 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 1 GENERAL DESCRIPTION VII. IMA GE FORMA TION A.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 1–17 CHAPTER 1 GENERAL DESCRIPTION The copier's image formation processes consist of the fol.
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION I. BASIC MECHANISMS ............................. 2-1 A. Functional Construction ..................... 2-1 B. Outline of the Electrical Circuitry .
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2–1 CHAPTER 2 BASIC OPERATION I. BASIC MECHANISMS A. Functional Construction The copier can broadly be divided into the following four functional blocks: pick-up, feeding, exposure, image formation, and control.
2–2 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION B. Outline of the Electrical Cir cuitr y The copier's major electrical mechanisms are controlled by the microprocessor on the DC controller PCB.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2–3 CHAPTER 2 BASIC OPERATION Figure 2-102 <Control> <Loads> <Sensors> Sensors .
2–4 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION C. Basic Sequence of Operations 1.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2–5 CHAPTER 2 BASIC OPERATION WMUP (warm-up) From when the power switch is turned on until the surface temperature of the upper fixing roller reaches 120˚C.
2–6 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2. Basic Sequence of Operations at Copy Start Figure 2-104 Start ke.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2–7 CHAPTER 2 BASIC OPERATION Table 2-102 INTR (initial rotation) From when the Start key is pressed until the scanner starts to move forward. Stabilizes the drum sensitivity in preparation for copying operation.
2–8 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION D . Main Motor (M1) Control Cir cuitr y 1. Outline Figure 2-105 shows the circuit used to control the main motor (M1), and the circuit has the following functions: • Turning on and off the main motor.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2–9 CHAPTER 2 BASIC OPERATION E. Inputs to the DC Controller 1. Inputs to the DC Controller (1/3) Figure 2-106 DC controller PCB +5V J12 -1 -2 -3 J103 -B3 -B2 -B1 Scanner home position sensor When the scanner is at home position, '1'.
2–10 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 2. Inputs to the DC Controller (2/3) Figure 2-107 DC controller PC.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2–11 CHAPTER 2 BASIC OPERATION 3. Inputs to the DC Controller (3/3) Figure 2-108 DC controller PCB +24V +5V J103 -A4 -A3 -A2 -A1 AE sensor See p. 4-21.
2–12 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION F . Outputs from the DC Contr oller 1.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2–13 CHAPTER 2 BASIC OPERATION 2. Outputs from the DC Controller (2/4) Figure 2-110 DC controller PCB +24V J106 -16 -17 J601 -4 -1 -2 -3 J212 -9 -8 J209 -4 -1 -2 -3 Main motor MM_DR MM_LKDT* See p.
2–14 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION 3. Outputs from the DC Controller (3/4) Figure 2-111 DC controller.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2–15 CHAPTER 2 BASIC OPERATION 4. Outputs from the DC Controller (4/4) Figure 2-112 DC controller PCB +24V J102 -A11 -A10 Total counter TCNT_DR* When '0', CNT1 turns on.
2–16 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 2 BASIC OPERATION G. Inputs to and Outputs from Accessories (1/1) Figure 2-113 DC co.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM I. OUTLINE OF OPERATION ..................... 3-1 A. Changing the Reproduction Ratio ...... 3-1 II. LENS DRIVE SYSTEM ......
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–1 CHAPTER 3 EXPOSURE SYSTEM I. OUTLINE OF OPERA TION A.
3–2 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM Figure 3-102 Copyboard glass Lens No.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–3 CHAPTER 3 EXPOSURE SYSTEM II. LENS DRIVE SYSTEM A. Driving the Lens 1. Outline The lens is driven by the lens motor (M3) and the mirror motor (M4).
3–4 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM 2. Motor Control Circuit The lens motor (M3) and the mirror motor (.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–5 CHAPTER 3 EXPOSURE SYSTEM 3. Moving the Lens The lens and the No. 4/ No. 5 mirror unit are moved with reference to the points at which the lens home position sensor (PS2) and the mirror home position sensor (PS3) turn on.
3–6 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM III. SCANNER DRIVE SYSTEM A.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–7 CHAPTER 3 EXPOSURE SYSTEM B. Scanner Motor Contr ol Circuit The scanner motor (M2) is a 4-phase stepping motor, and is controlled by four pulse signals (SC_A, SC_B, SC_A*, SC_B*) generated by the DC controller PCB.
3–8 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM D . Basic Sequence of Operations (scanner) The scanner is moved forward over a distance determined by the microprocessor based on the selected paper size, reproduction ratio, and copying mode.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–9 CHAPTER 3 EXPOSURE SYSTEM E. Scanner Movement in P age Separation Mode Figure 3-304 I, II, and III shown in Figure 3-304 are controlled by the microprocessor on the DC controller PCB with reference to the wait position of the scanner.
3–10 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM IV . OTHERS A. Detecting the Original Size 1. Outline The NP7161 is equipped with auto paper selection and auto reproduction selection functions, and these functions require identification of the size of originals.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–11 CHAPTER 3 EXPOSURE SYSTEM V . DISASSEMBL Y/ASSEMBL Y The copier may be disassembled and assembled as shown here. Pay attention to the copier's mechanical characteristics along with the steps for disassembly/assembly.
3–12 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM A. Scanner Drive Assemb ly 1. Removing the Scanner Motor 1) Remove the rear upper cover. 2) Disconnect the connector [1] and the two mounting screws [2].
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–13 CHAPTER 3 EXPOSURE SYSTEM Figure 3-503 [3] [1] [2] 2. Removing the Scanner Drive Cable 1) In standby state, press the Reduce key so that the lens and the No.
3–14 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM [4] [5] [6] [B] [7] [A] [7] Figure 3-504 Figure 3-506 Figure 3-505 [8] [9] [10] 10) Remove the three mounting screws [4], and detach the motor base [5] and the timing belt [6].
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–15 CHAPTER 3 EXPOSURE SYSTEM 3. Routing the Scanner Drive Cable Route the scanner drive cable following the sequence indicated in Figure 3-507, i.
3–16 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM Figure 3-508a (Rear) Figure 3-508b (Front) [1] [2] [1] [2] Figure 3-509a (Rear) Figure 3-509b (Front) 4.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–17 CHAPTER 3 EXPOSURE SYSTEM 10mm 10mm Scanner [1] [1] [A] Figure 3-510 Figure 3-511 5. Adjusting the Tension of the Scanner Drive Cable Be sure to adjust the tension as follows after routing the scanner drive cable.
3–18 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM B. Lens Drive Assemb ly 1. Removing the Lens Drive Motor 1) Remove the copyboard glass. (See p.7-14) 2) Holding the bend [A], slide out the scanner as far as the cut-off [B].
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3–19 CHAPTER 3 EXPOSURE SYSTEM 2. Removing the Mirror Motor 1) While the copier is in standby state, press the Enlarge key to move the lens and the No.
3–20 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 3 EXPOSURE SYSTEM Figure 3-516 [3] [2] [2] [5] [4] Figure 3-517 8) Remove the two mounting screws [2], and remove the lens hood [3]. Caution: When mounting the lens hood, take care not to trap the wire.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 4 IMAGE FORMATION SYSTEM I. OUTLINE OF THE PROCESSES ............ 4-1 A. Outline ................................................ 4-1 B. Basic Sequence of Operations (image formation system) .
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–1 CHAPTER 4 IMAGE FORMATION SYSTEM I. OUTLINE OF THE PROCESSES A. Outline Figure 4-101 shows the copier's basic construction in reference to image formation.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–2 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) B. Basic Sequence of Operations (ima ge formation system) Fi.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–3 CHAPTER 4 IMAGE FORMATION SYSTEM C. Contr olling the Intensity of the Scanning Lamp 1. Outline Figure 4-103 shows the circuit used to control the intensity of the scanning lamp, and the circuit has the following functions: 1.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–4 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2. Operation a.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–5 CHAPTER 4 IMAGE FORMATION SYSTEM 3. Protection Mechanisms To prevent malfunction of the scanning lamp (LA1), the copier is equipped with a fuse (FU1).
CHAPTER 4 IMAGE FORMATION SYSTEM 4–6 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 4-108 2.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–7 CHAPTER 4 IMAGE FORMATION SYSTEM E. Controlling the De veloping/Separation Static Eliminator Bias 1. Outline Figure 4-109 shows the circuit used to control the developing/static eliminating bias, and the circuit has the following functions: 1.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–8 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Start key ON STBY STBY LSTR SCRV SCFW SCRV SCFW INTR AER Sequence Developing DC bias Developing AC bias Voltage control Figure 4-110 2.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–9 CHAPTER 4 IMAGE FORMATION SYSTEM 3. Turning On/Off the Developing AC Bias/Separation Eliminator Bias a.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–10 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 4-111 F1 F2 F3 F4 F5 F6 F7 F8 F9 -600 Developing DC bias (V) -500 -400 -300 -200 -100 Copy density Darker Lighter 5 1 2 3 4 CPY _ DNS (V) 4.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–11 CHAPTER 4 IMAGE FORMATION SYSTEM Table 4-102 Developing DC bias [V] Copy density CPY _ DNS [V] -110 F1 1.00 -120 F1.25 1.09 -130 F1.5 1.18 -140 F1.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–12 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Blank exposure lamp (LA3) DC controller PCB +24V BLK _ SD J.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–13 CHAPTER 4 IMAGE FORMATION SYSTEM 2. Turning On the Blank Exposure Lamp in Reduce Mode While .
CHAPTER 4 IMAGE FORMATION SYSTEM 4–14 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) II. DEVELOPING ASSEMBL Y/DRUM CLEANER ASSEMBL Y A. Outline The developing assembly and the drum cleaner are rotated by the drive from the main motor (M1) through drive gears.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–15 CHAPTER 4 IMAGE FORMATION SYSTEM The copier is designed to collect more waste toner than existing models, and is equipped with a paddle at the bottom of the waste toner box.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–16 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) B. Detecting and Contr olling the Level of T oner The toner inside the developing assembly is monitored by the toner sensor (TS1).
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–17 CHAPTER 4 IMAGE FORMATION SYSTEM Figure 4-205 DC controller PCB Cleaning blade Waste toner f.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–18 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 4-206 DC controller PCB Reference voltage circuit TN.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–19 CHAPTER 4 IMAGE FORMATION SYSTEM When as many as 100 copies (A4) have been made during a pre.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–20 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Table 4-202 E.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–21 CHAPTER 4 IMAGE FORMATION SYSTEM F . A uto Density Adjustment (AE) 1. Outline The copier is equipped with an automatic density adjustment mechanism (AE), which controls the developing DC bias to suit the density of originals.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–22 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 4-209 shows changes in the developing DC bias in relation to the density of different originals.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–23 CHAPTER 4 IMAGE FORMATION SYSTEM III. DISASSEMBL Y/ASSEMBL Y The copier may be disassembled and assembled as shown here. Pay attention to the copier's mechanical characteristics along with the steps for disassembly/assembly.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–24 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) A. Scanning Lamp Assembl y 1. Removing the Scanning Lamp 1) Remove the copyboard glass. (See .7-14) 2) Holding the bend [A], pull out the scanner as far as the cut-off [B].
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–25 CHAPTER 4 IMAGE FORMATION SYSTEM 4) Wrap both ends of the scanning lamp [3] with lint-free paper. Then, remove the lamp while pushing toward the rear end.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–26 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) B. Exposure Assembl y 1. Removing the Pre-Exposure/Blank Exposure Lamp Assembly 1) Remove the developing assembly.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–27 CHAPTER 4 IMAGE FORMATION SYSTEM [1] [2] [3] Figure 4-308 Figure 4-309 3. Cleaning the No. 6 Mirror 1) Remove the developing assembly. (See p. 4-37.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–28 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) C. Drum Unit 1. Removing the Drum Unit 1) Open the top unit, release the developing assembly. 2) Remove the thumb screw [1], and slide out the drum unit [2] to the front to remove.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–29 CHAPTER 4 IMAGE FORMATION SYSTEM 2. Cleaning the Photosensitive Drum If the surface of the photosensitive drum is soiled, wipe it with a flannel cloth coated with toner.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–30 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [3] [1] [2] Figure 4-312 [4] [5] Figure 4-313 D . Primary Charging Assembly 1. Removing the Primary Charging Assembly 1) Remove the drum unit.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–31 CHAPTER 4 IMAGE FORMATION SYSTEM [2] [3] [1] [4] Figure 4-314 E. T ransfer Charging Assembl y 1. Removing the Transfer Charging Assembly 1) Open the copier top, and remove the front door.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–32 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) F . Charging Wire 1. Outline As many as two charging wires are located around the photosensitive drum. (These charging wires are 0.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–33 CHAPTER 4 IMAGE FORMATION SYSTEM 2) Remove the sheet (front) [4] and the sheet (rear) [5]. To remove the transfer charging assembly, remove the sheet (front) [c] and the sheet (rear) [d].
CHAPTER 4 IMAGE FORMATION SYSTEM 4–34 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 4-318 A Figure 4-319 4) Free a length of about 5 cm from the charging wire reel (0.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–35 CHAPTER 4 IMAGE FORMATION SYSTEM 8) Cut the excess charging wire with a nipper. 9) Pick the end of the charging wire tensioning spring with tweezers, and hook it on the charging electrode.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–36 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3. Adjusting the Height of the Charging Wires To adjust each charging wire, turn its respective height adjusting screw.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–37 CHAPTER 4 IMAGE FORMATION SYSTEM [2] [1] [3] Figure 4-324 G. De veloping Assembly 1. Removing the Developing Assembly 1) Open the front door, and release the developing assembly.
CHAPTER 4 IMAGE FORMATION SYSTEM 4–38 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4) Lift the front of the developing upper cover [6] slightly, and slide it in the direction of the arrow to remove.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4–39 CHAPTER 4 IMAGE FORMATION SYSTEM 3) Remove the grip ring [3], and remove the developing roll [4]. 4) Remove the two mounting screws [5], and remove the bearing holder (front) [6] and the bearing [7].
CHAPTER 4 IMAGE FORMATION SYSTEM 4–40 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [15] [17] [18] [16] Figure 4-333 9) Remove the two mounting screws [15]; then, remove the bearing holder (rear) [16], bearing [17], and developing roll [18].
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 5 PICK-UP/FEEDING SYSTEM This chapter explains the principles used from when copy paper is picked up to when a copy is delivered in view of the functions of electrical and mechanical units and in relation to their timing of operation.
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–1 CHAPTER 5 PICK-UP/FEEDING SYSTEM I. OUTLINE OF OPERA TION The copier uses a center reference feeding method, in which copy paper is moved along the center of the pick-up/feeding path to ensure stable movement.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–2 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) II. PICK-UP FR OM THE CASSETTE A. Pic k-Up Operation The pick-up roller and the feed roller are controlled by the pick-up solenoid (SL1).
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–3 CHAPTER 5 PICK-UP/FEEDING SYSTEM B. Sequence of Operations (pic k-up/feeding) • A4, 2 Copie.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–4 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) C. Operation of the Cassette Lifter When the cassette is pushed inside the copier, the lifter stopper will be freed, and the lifter will move up by the force of a spring.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–5 CHAPTER 5 PICK-UP/FEEDING SYSTEM The copier’s cassette is designed to apply auxiliary pressure on paper of B4 or wider.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–6 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) D . Detecting the Size of the Cassette 1. Outline The presence of paper and the size of paper inside the cassette are checked by the cassette size switch PCB mounted to the left of the cassette slot.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–7 CHAPTER 5 PICK-UP/FEEDING SYSTEM 2. Detecting the Cassette Size The AB configuration and the Inch configuration are distinguished by the switch (SW654) on the cassette switching PCB.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–8 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) III. PICK-UP FROM THE MUL TIFEEDER A. Pic k-Up Operation The presence/absence of copy paper in the multifeeder is detected by the multifeeder paper sensor (PS7).
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–9 CHAPTER 5 PICK-UP/FEEDING SYSTEM B. Detecting the Size of P aper in the Multifeeder When the .
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–10 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) C. Sequence of Operations (pic k-up from m ultifeeder) • .
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–11 CHAPTER 5 PICK-UP/FEEDING SYSTEM IV . CONTROLLING THE REGISTRA TION CLUTCH The registration clutch exerts the following control so as to match copy paper with the image on the photosensitive drum at a specific location.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–12 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) V . DETECTING JAMS A. Outline The copier is equipped with the following two sensors used to check the movement of copy paper.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–13 CHAPTER 5 PICK-UP/FEEDING SYSTEM B. Sequence of Operations (jam detection) 1.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–14 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3. Delivery Delay Jam Start key ON STBY SCRV SCFW SCRV SCFW INTR Sequence Registration roller clutch (CL1) Main motor (M1) Jam check Delivery paper sensor (PS6) Jam indicator flashed Normal Error approx 2.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–15 CHAPTER 5 PICK-UP/FEEDING SYSTEM VI. DISASSEMBL Y/ASSEMBL Y The copier may be disassembled and assembled as shown here. Pay attention to the copier’s mechanical characteristics along with the steps for disassembly/assembly.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–16 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [2] [1] [3] Figure 5-601 [4] Figure 5-602 A. Pic k-Up Assembly 1. Removing the Pick-Up Roller 1) Remove the cassette.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–17 CHAPTER 5 PICK-UP/FEEDING SYSTEM [1] [3] [2] [4] [2] Figure 5-603 [5] [5] [6] Figure 5-604 [1] [2] [2] Figure 5-605 3. Removing the Pick-Up Drive Assembly 1) Remove the registration roller assembly.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–18 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 4) Slide the pick-up assembly [3] to the rear, and remove the hook. 5. Removing the Feed Roller 1) Remove the separation roller assembly.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–19 CHAPTER 5 PICK-UP/FEEDING SYSTEM [3] Figure 5-612 [5] [4] Figure 5-609 Figure 5-610 [1] [2] 4) Remove the roller cover [3]. 5) Remove the two bushings [4], and remove the two springs [5].
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–20 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 5-613 Figure 5-614 [1] [2] Figure 5-615 [1] [3] [2] B. Multifeeder Assembl y 1. Removing the Multifeeder Tray 1) Open the multifeeder tray, and remove the face cover [1] using a flat-blade screwdriver.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–21 CHAPTER 5 PICK-UP/FEEDING SYSTEM Figure 5-616 [3] [2] [1] Figure 5-617 [1] Figure 5-618 [4] [4] [5] [3] The two holes each (upper/lower) are spare holes.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–22 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 5-621 [2] [B] [A] [1] [5] [4] [2] [3] Figure 5-620 Figure 5-619 5) Detach the multifeeder separation pad [5] from the holder [4].
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–23 CHAPTER 5 PICK-UP/FEEDING SYSTEM [3] [2] [1] Figure 5-622 [5] [5] [4] [6] Figure 5-623 C. Registration Roller Assembl y 1. Removing the Registration Roller Assembly 1) Remove the developing assembly.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–24 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) D . Cassette Assembly 1. Removing the Cassette Size Switch 1) Remove the cassette. 2) Remove the delivery lower cover.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 5–25 CHAPTER 5 PICK-UP/FEEDING SYSTEM •AB •INCH [1] [2] [1] [2] Figure 5-627 [3] [4] [3] [4] •AB •INCH 2. Changing the Cassette Size (AB/ INCH) 1) Slide out the cassette.
CHAPTER 5 PICK-UP/FEEDING SYSTEM 5–26 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3. Adjusting the Left/Right Registration Turn the adjusting screw [1] until the cassette locking lever plate [2] and the cassette locking lever [3] engage.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 6 FIXING SYSTEM I. OUTLINE OF OPERATION ..................... 6-1 A. Outline ................................................ 6-1 B. Controlling the Fixing Temperature .
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6–1 CHAPTER 6 FIXING SYSTEM Figure 6-101 I. OUTLINE OF OPERA TION A.
CHAPTER 6 FIXING SYSTEM 6–2 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) B. Contr olling the Fixing T emperature The copier uses two thermistors mounted at the rear ends of the upper roller to monitor surface temperature.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6–3 CHAPTER 6 FIXING SYSTEM • 182 mm > Paper Width Table 6-104 Temperature detected by therm.
CHAPTER 6 FIXING SYSTEM 6–4 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) • Power Save Key ON or Auto-Power OFF Figure 6-103 120 ° C 140 ° .
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6–5 CHAPTER 6 FIXING SYSTEM C. Error Detection Cir cuit 1.
CHAPTER 6 FIXING SYSTEM 6–6 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2. Surface Temperature of the Fixing Upper Roller The main thermistor.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6–7 CHAPTER 6 FIXING SYSTEM II. DISASSEMBL Y/ASSEMBL Y The copier may be disassembled and assembled as shown here. Pay attention to the copier’s mechanical characteristics along with the steps for disassembly/assembly.
CHAPTER 6 FIXING SYSTEM 6–8 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 6-203 [1] [4] [3] [2] Fulcrum Locking arm Figure 6-201 Figure 6-202 [1] A. Fixing Assembly 1. Construction [1] Upper roller [2] Lower roller [3] Heat discharge roller [4] Delivery roller 2.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6–9 CHAPTER 6 FIXING SYSTEM Figure 6-204 Figure 6-205 Figure 6-206 [8] [7] [5] [3] [4] [6] [2] 3) Remove the drum unit. (See p. 4-28.) 4) Remove the delivery upper cover.
CHAPTER 6 FIXING SYSTEM 6–10 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [9] Figure 6-207 12) Lift the front of the fixing assembly [9] slightly to remove. Caution: When removing the fixing assembly, take care not to damage the feeding assembly.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6–11 CHAPTER 6 FIXING SYSTEM Figure 6-210 Figure 6-211 [13] [12] [10] [9] [10] [1 1] 7) Free the harness from the harness retainer [9]. 8) Remove the two mounting screws [10], and detach the heater support plate (rear) [11].
CHAPTER 6 FIXING SYSTEM 6–12 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [2] [3] Figure 6-213 [1] Figure 6-216 [2] [1] Figure 6-214 [A] Figure 6-215 3) Remove the mounting screw [2], and detach the thermal switch assembly [3].
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6–13 CHAPTER 6 FIXING SYSTEM Figure 6-218 [2] [3] Figure 6-217 [1] [2] [1] [3] [5] [4] [6] Figure 6-220 [8] [7] [9] [10] Figure 6-219 4) Remove the mounting screw [2].
CHAPTER 6 FIXING SYSTEM 6–14 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 6-224 [1] [1] [2] Figure 6-221 [1] [1] [2] [3] Figure 6-223 Figure 6-222 [1] [1] [2] 9. Removing the Fixing Lower Roller 1) Remove the fixing upper roller.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6–15 CHAPTER 6 FIXING SYSTEM Figure 6-225 Table 6-201 Figure 6-226 Feeding direction a c A3 size Center of copy paper b [1] [1] b I a - c I Dimensions *Be sure both upper and lower rollers are sufficiently warm before taking measurements.
CHAPTER 6 FIXING SYSTEM 6–16 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [2] [A] [1] Figure 6-227 Figure 6-230 [4] [3] [3] Figure 6-228 [5] [6] Figure 6-229 [2] [1] [1] B. Deliver y Assembl y 1.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6–17 CHAPTER 6 FIXING SYSTEM Figure 6-232 [2] [1] [3] [1] [2] Figure 6-231 [4] [3] [4] [5] [6] [7] [7] [6] Figure 6-233 3) Detach the spring [3], and detach the lower separation claw [4].
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS C. Copyboard Glass ............................. 7-14 D. Fans ...............................................
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COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–1 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS I. FANS The copier is equipped with three fans for cooling and discharging ozone.
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–2 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) The exhaust fan (FM2) and the sorter kit fan (FM5) are rotated at half speed during standby to prevent heating inside the machine.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–3 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS If the heat exhaust fan rotation detection signal (FM2ROT) is not detected 0.5 sec after the exhaust fan (FM2, FM4) starts to rotate, error code E805 will be indicated on the control panel.
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–4 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) II. PO WER SUPPL Y A. Outline of P ower Supply Figure 7-201 is a block diagram showing distribution of power inside the machine.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–5 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS B. P ower Supply Cir cuitr y 1. AC Power Supply AC power is supplied to the power supply PCB when the power plug is connected and the front door switch (DS1) is turned on.
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–6 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3. Mirror Heater, Cassette/Drum Heater, and Accessor.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–7 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS C. Protection Mechanisms of the P o wer Supply Cir cuitr y The copier’s power supply PCB is equipped with a circuit breaker (CB1, CB2) and a fuse (FU1, FU2) on its AC input side.
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–8 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) III. DISASSEMBL Y/ASSEMBL Y The copier may be disassembled and assembled as shown here. Pay attention to the copier’s mechanical characteristics along with the steps for disassembly/assembly.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–9 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS A. External Cover s [1] Front cover [2] Right door (.
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–10 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Remove the appropriate covers as follows when cleaning, checking, or repairing the inside of the copier.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–11 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS Figure 7-306 [2] [1] Figure 7-307 [2] Figure 7-308 3. Removing the Upper Left Cover 1) Remove the copyboard glass.
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–12 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6. Removing the Lower Inside Cover 1) Remove the front door and the transfer charging assembly. 2) Slide out the registration knob [1] to the front.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–13 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS [2] [1] [5] [3] [4] Figure 7-311 Figure 7-312 Figure 7-310 B.
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–14 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [1] [2] Figure 7-313 Figure 7-314 [4] [5] [3] C. Copyboard Glass 1. Removing the Copyboard Glass 1) Remove the two mounting screws [1], and detach the glass retainer (right) [2].
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–15 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS D . Fans 1. Removing the Scanner Cooling Fan 1) Remove the two mounting screws [1], and detach the filter [2].
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–16 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [1] Figure 7-317 [2] [3] Figure 7-318 [4] [5] Figure 7-319 2. Removing the Exhaust Fan 1) Remove the developing assembly, drum unit, inside cover, and delivery upper cover.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–17 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 3. Remove the Ozone Filter 1) Open the top unit. 2) Shift down the lever [1], and remove the ozone filter assembly [2].
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–18 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [4] [3] [5] [2] [1] Figure 7-322 [4] [2] [1] [3] Figure 7-323 E. Counter Assembly 1. Removing the Counter Assembly 1) Remove the control panel.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–19 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS G. DC Contr oller PCB 1. Removing the DC Controller PCB 1) Remove the delivery lower cover. 2) Disconnect all connectors of the DC controller PCB; then, free the harness from the harness guide.
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS 7–20 COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 7-325 [4] [3] [1] [2] H. Remo ving the P ower Supply PCB 1. Removing the Power Supply PCB 1) Remove the rear cover.
COPYRIGHT © 1998 CANON INC. CANON NP7160/NP7161 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 7–21 CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS [2] [3] [1] Figure 7-327 J. Lamp Regulator PCB 1. Removing the Lamp Regulator PCB 1) Remove the rear cover.
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 8 INSTALLATION This chapter introduces requirements for the site of installation, and shows how the copier may be installed using step-by-step instructions.
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–1 CHAPTER 8 INSTALLATION I. SELECTING THE SITE Check the site of installation against the following requirements. If possible, visit the site in advance of the delivery of the machine.
CHAPTER 8 INSTALLATION 8–2 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Step Work Checks/remarks Open the shipping box, and take out the two cardboard boxes.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–3 CHAPTER 8 INSTALLATION B. Remo ving the Metal Fixings Step Work Checks/remarks Remove the packing tape, cushioning material, protective sheet of the copyboard glass, and protective sheet of the size index.
CHAPTER 8 INSTALLATION 8–4 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Turn the toner supply lever counterclockwise to unlock the developing assembly. Remove the thumb screw, and remove the dummy drum.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–5 CHAPTER 8 INSTALLATION Fill out the label that came with the drum unit, and attach the label to the front cover of the drum unit.
CHAPTER 8 INSTALLATION 8–6 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Clean the charging wire using the primary charging wire cleaning lever. 1 Clean the charging wire using the transfer charging wire leaning lever.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–7 CHAPTER 8 INSTALLATION Take out the dust-proofing glass (1 screw), and dry wipe it with lint-free paper. Then, mount it back to the copier. 5 Mount the inside cover.
CHAPTER 8 INSTALLATION 8–8 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) E. Checking the Images/Operations and User Mode Connect the power cord to the copier, and connect the power plug to the outlet.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–9 CHAPTER 8 INSTALLATION Step Work Checks/remarks When drum unit installation mode has been executed, press the Reset key to end service mode.
CHAPTER 8 INSTALLATION 8–10 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) F . Supplying T oner Open the front door. 1 Holding the toner cartridge horizontal, shake it left and right several times.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–11 CHAPTER 8 INSTALLATION The toner cartridge will detach itself from the developing assembly when the grip of the developing assembly is pushed in to its initial position.
CHAPTER 8 INSTALLATION 8–12 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Make a copy in Direct. Take out all copy paper from the cassette. Excute ‘403’ in service mode. The scanner, lens, and No.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–13 CHAPTER 8 INSTALLATION Figure 8-402 Figure 8-403 3) Lead out the harness, and disconnect the shorting connector [4]; then, connect the connector [5] of the Control Card IV N to the copier’s connector [6].
CHAPTER 8 INSTALLATION 8–14 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) V . INST ALLING THE REMO TE DIA GNOSTIC DEVICE II Keep the following in mind when installing the Remote Diagnostic Device II to the copier: 1.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–15 CHAPTER 8 INSTALLATION [1] [1] [2] [4] [3] Figure 8-502 Figure 8-501 [5] [6] Figure 8-503 1) Remove the two screws [1], and detach the top cover [2].
CHAPTER 8 INSTALLATION 8–16 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) [11] [7] [8] Figure 8-504 Figure 8-506 Figure 8-505 4) Lead the harne.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–17 CHAPTER 8 INSTALLATION LED1 LED2 LED3 2 1 LED5 LED6 LED4 IC6 SW1 SW4 SW3 6 1 BAT1 CN4 1 2 CN.
CHAPTER 8 INSTALLATION 8–18 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) LED1 LED2 LED3 2 1 LED5 LED6 LED4 IC6 SW1 SW4 SW3 6 1 BAT1 CN4 1 2 CN.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–19 CHAPTER 8 INSTALLATION LED1 LED2 LED3 2 1 LED5 LED6 LED4 IC6 SW1 SW4 SW3 6 1 BAT1 CN4 1 2 CN.
CHAPTER 8 INSTALLATION 8–20 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) LED1 LED2 LED3 2 1 LED5 LED6 LED4 IC6 SW1 SW4 SW3 6 1 BAT1 CN4 1 2 CN.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–21 CHAPTER 8 INSTALLATION LED1 LED2 LED3 2 1 LED5 LED6 LED4 IC6 SW1 SW4 SW3 6 1 BAT1 CN4 1 2 CN3 CN2 SW2 [18] [24] [25] Figure 8-516 17) Check if the device is capable of ringing up the computer at the service station.
CHAPTER 8 INSTALLATION 8–22 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 20) Attach the switch settings label [28] on the device, and record the settings of each switch. 21) Secure the top cover [29] in place with two screws [30].
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–23 CHAPTER 8 INSTALLATION [1] [2] Figure 8-601 Figure 8-602 [3] [4] Figure 8-603 VI. INST ALLING THE ACCESSOR Y COUNTER 1) Open the front door; then, remove the inside cover, and cut off the face plate [1].
CHAPTER 8 INSTALLATION 8–24 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) SW102-5 OFF ON OFF ON OFF Accessory counter not connected. Uses the accessory counter as a small-size copy counter. Uses the accessory counter as a large-size copy counter.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–25 CHAPTER 8 INSTALLATION Figure 8-701 VII. INST ALLING THE ACCESSOR Y HEA TER A. Installing the Heater Switch 1) Remove the rear cover, and cut off the face plate [1].
CHAPTER 8 INSTALLATION 8–26 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) B. Mounting the Cassette/ Drum Heater 1) Remove the front door, drum unit, developing assembly, transfer charging assembly, and cassette.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 8–27 CHAPTER 8 INSTALLATION [2] [1] C. Installing the Mirror Heater 1) Mount the inside cover and the delivery upper cover. 2) Mount the mirror heater [1] with two screws [2].
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 9 MAINTENANCE AND SERVICING I. PERIODICALLY REPLACED PARTS ..... 9-1 A. Copier ................................................. 9-1 II. CONSUMABLES AND DURABLES .
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 9–1 CHAPTER 9 MAINTENANCE AND SERVICING I. PERIODICALL Y REPLA CED PARTS Some of the parts of the.
CHAPTER 9 MAINTENANCE AND SERVICING 9–2 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) II. CONSUMABLES AND DURABLES Some of the parts of the copier may need to be replaced once or more because of wear or damage over the period of machine warranty.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 9–3 CHAPTER 9 MAINTENANCE AND SERVICING III. SCHEDULED SER VICING CHART Note: 1.
CHAPTER 9 MAINTENANCE AND SERVICING 9–4 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10 11 12 13 14 15 Clean the copyboard cover and the copyboard glass. Make test copies. Make sample copies. Put the sample copies in order, and clean up the area around the machine.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 9–5 CHAPTER 9 MAINTENANCE AND SERVICING IV . SCHEDULED SER VICING TABLE A. Copier Caution: 1. Do not use solvents/oils other than those mentioned herein.
CHAPTER 9 MAINTENANCE AND SERVICING 9–6 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Others Transfer charging wire Static eliminator Unit Item.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING This chapter provides tables of maintenance/inspection, standards/adjustments, and identification of problems (image fault/malfunction).
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–1 I. GUIDE T O TR OUBLESHOO TING TABLES The troubleshooting tables in this chapter are based on more commonly used troubleshooting flow charts.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–2 YES NO Yes/No Actions Connect the power plug. Is the power plug connected to the power outlet? Checks Rest omitted Step 1 YES NO Close the door properly.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–3 Pre-Checks Density Slope Adjustment Solid Black Density Adjustment Optimum Exposure Adjustment Clean the charging wires. Is there a difference in density between front and rear? Make two to three copies of the Test Sheet (NA-3).
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–4 B. P oints to Note for Scheduled Servicing Part Lens Blower brush Cleaning Copyboard glass Alcohol Cleaning Scanner rail Lubricant Lubricate Reflecting plate Blower brush Cleaning No.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–5 II. ST AND ARDS AND ADJUSTMENTS A. Mechanical 1. Leading Edge Non-Image Width (blank exposure lamp off timing) Select No.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–6 [3] [1] [2] Figure 10-203 0 2 4 6 8 10 (-) (+) Figure 10-204 3.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–7 B. Exposure System 1.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–8 2. Adjusting the Position of the Mirror Be sure to adjust the position of the mirror as follows after you have mounted the scanner drive cable.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–9 3. Adjusting the Tension of the Scanner Drive Cable Be sure to adjust the tension as follows after routing the scanner drive cable.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–10 C. Image Formation System 1. Outline As many as two charging wires are located around the photosensitive drum. (These charging wires are 0.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–11 3) Remove the spring [6], and remove the charging wire [7]. To remove the transfer charging assembly, remove the spring [e], and remove the charging wire [f].
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–12 Figure 10-215 11) Mount the sheet (front) and the sheet (rear). 12) Mount the stopper and the grid plate. For the transfer charging assembly, mount the guide wire plate.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–13 • Transfer Charging Assembly • Primary Charging Assembly Figure 10-217 Height adjusting screw Height adjusting screw Height adjusting screw Height adjusting screw Figure 10-218b Figure 10-218a 3.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–14 Figure 10-219 Figure 10-220 •AB •INCH [1] [2] [1] [2] 2. Changing the Cassette Size (AB/INCH) 1) Slide out the cassette.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–15 3) Remove the mounting screw [3]; then, slide the size switching lever [4] to the desired size position, and fix it in place.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–16 E. Fixing System 1. Adjusting the Height of the Fixing Assembly Inlet Guide 1) Loosen the two adjusting screws [1], and adjust the height of the fixing assembly inlet guides [2].
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–17 Caution: a and c represent points 10 mm from both ends of copy paper.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–18 F . Electrical System 1.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–19 2. AE Adjustment If copies of a newspaper are foggy or if you ha.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–20 b. AE Scanning Intensity Adjustment If an optimum image cannot b.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–21 c. AE Slope Adjustment If an optimum image cannot be obtained by.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–22 3. After Replacing the DC Controller PCB 1) Set the DIP switch (SW102) on the new DC controller PCB so that its settings are the same as the old DC controller PCB.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–23 4. Checking the Photointerrupters The copier allows you to use its service mode when checking its photointerrupters.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–24 Sensor PS1 Scanner home position sensor PS2 Lens home position s.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–25 III. IMA GE FA UL TS A. Initial Checks 1. Checking the Site Environment a. The power outlet must be exclusive, and must provide the rated voltage.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–26 4. Checking the Charging Assembly a. Check each charging assembly for soiling and a fault on its charging wire (scratches).
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–27.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–28 B. Image Fault Samples not available.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–29 Step Checks Actions 1 2 3 4 5 End. End. Check the developing assembly locking lever. Check the developing assembly.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–30 1 2 3 4 5 6 7 8 9 Perform the Image Adjustment Basic Procedure. Is the problem corrected? Turn off the power switch in the middle of copying operation.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–31 4. The copy has uneven density.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–32 6. The copy is foggy.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–33 7. The copy is foggy.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–34 10. The copy has white spots.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–35 12. The copy has white spots. (vertical) Developing assembly Photosensitive drum Copy paper Scanner rail, Scanner cable Charging wire 1 2 3 4 Is the problem noted at intervals of about 3.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–36 13. The back of the copy is soiled. Developing assembly Drum cleaner assembly Fixing assembly Delivery assembly 1 2 3 Turn off the power switch while the copy paper is moving through the feeding assembly.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–37 14. The copy has faulty fixing.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–38 15. 16. The copy has a displaced leading edge.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–39 18. The copy has a blurred image. Scanner cable Scanner rail Photosensitive drum Developing gear Drum drive system 1 2 3 4 Does the cable wind on the cable pulley in layers while the scanner is moving? Move the No.
CHAPTER 10 TROUBLESHOOTING COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–40 20. The copy has poor sharpness.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–41 21. The copy is blank.
CHAPTER 10 TROUBLESHOOTING 10–42 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Main thermistor (TH1) Sub thermistor (TH2) Thermistor (TH1, TH2) Thermistor (TH1, TH2) Operating environment DC controller PCB Execute service mode ‘412’ (error clear) to clear E000.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–43 2. E001 Thermistor (TH1, TH2) DC controller PCB Triac DC controller PCB 1 2 3 Execute service mode ‘412’ (error clear) to clear E001.
CHAPTER 10 TROUBLESHOOTING 10–44 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 3. E002/E003 1 2 3 4 5 6 Execute service mode ‘412’ (error clear) to clear E002 or E003. Open the front door and the top unit, and let the fixing roller cool sufficiently.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–45 4. E004 Fixing heater (H1) Triac DC controller PCB 1 2 NO YES NO Execute service mode ‘412’ (error clear) to clear E004.
CHAPTER 10 TROUBLESHOOTING 10–46 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 6. E013 Waste toner feeding screw Waste toner feeding screw lock.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–47 8. E031 Accessory counter (CNT2) Accessory counter (CNT2) DC controller PCB 1 2 NO YES NO Turn off the power switch, and disconnect J102 from the DC controller PCB.
CHAPTER 10 TROUBLESHOOTING 10–48 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10. E208 Mirror home position sensor (PS3) DC controller PCB 1 2.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–49 12. E220 Lamp regulator PCB DC controller PCB 1 2 YES NO YES Does the scanning lamp (LA1) remain off? Set the meter range to 30 VDC, and connect the probes to J211-2 (+) and J211-1 (-) on the DC controller PCB.
CHAPTER 10 TROUBLESHOOTING 10–50 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 15. E712 Malfunction Connector ADF PCB DC controller PCB 1 2 3 YES NO YES NO Turn off and then on the power switch.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–51 17. E800 Malfunction Power supply PCB DC controller PCB 1 2 YES YES NO Turn off and then on the power switch. Is the problem corrected? Replace the power supply PCB.
CHAPTER 10 TROUBLESHOOTING 10–52 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 20. AC power is absent.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–53 21. DC power supply is absent.
CHAPTER 10 TROUBLESHOOTING 10–54 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 22. The scanner fails to move.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–55 Step Checks Actions 1 2 3 NO NO YES NO Cause 23.
CHAPTER 10 TROUBLESHOOTING 10–56 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 25. The scanning lamp fails to turn on. 1 2 3 4 5 NO NO NO YES NO NO Is the scanning lamp mounted correctly? Disconnect the power plug from the power outlet, and remove the thermal fuse.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–57 26. The pre-exposure lamp fails to turn on. Pre-exposure lamp (LA2) DC controller PCB 1 YES NO Set the meter range to 30 VDC, and connect the probes to J104-A6 (+) and J104-7 (-) on the DC controller PCB.
CHAPTER 10 TROUBLESHOOTING 10–58 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 28. Pick-up fails.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–59 YES YES NO YES NO Yes/No 29.
CHAPTER 10 TROUBLESHOOTING 10–60 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 31. The fixing heater fails to turn on. Thermal switch (TSW1) Fixing heater (H1) DC controller PCB Wiring 1 2 3 NO NO NO YES Turn off the power switch, and remove the fixing assembly.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–61 33. The Add Toner indicator fails to turn off. Connector Toner sensor (TS1) DC controller PCB 1 2 3 YES NO YES NO Open and close the front door.
CHAPTER 10 TROUBLESHOOTING 10–62 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 35. The Waste Toner Box Full indicator fails to turn off.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–63 37. The Add Paper indicator fails to turn off.
CHAPTER 10 TROUBLESHOOTING 10–64 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 39. The Jam indicator fails to turn off.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–65 41. The Set Control Card indicator fails to turn off. Control card DC controller PCB Control Card IV N 1 2 YES YES NO Is the Control Card set correctly? Can copies be made? Set the control card correctly.
CHAPTER 10 TROUBLESHOOTING 10–66 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) V . TR OUBLESHOO TING FEEDING PR OBLEMS A. Copy Jams The copier may be divided into the following in terms of where copy paper tends to jam.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–67 1. Pick-Up/Feeding Assembly 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 .
CHAPTER 10 TROUBLESHOOTING 10–68 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2. Fixing/Delivery Assembly Cause Step Checks Actions Separation claw (delivery assembly) 1 2 3 4 5 6 7 8 YES YES YES NO YES NO NO NO YES 1.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 10–69 B. Faulty Feeding 1. Double Feeding 1 2 YES NO YES NO Is the separation pad deformed, worn, or soiled? Is the separation roller deformed, worn, or soiled? Replace the separation pad.
CHAPTER 10 TROUBLESHOOTING 10–70 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) VI. ARRANGEMENT AND FUNCTIONS OF ELECTRICAL PAR TS A.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–71 CHAPTER 10 TROUBLESHOOTING Symbol Name Notation Description Toner sensor Photointerrupter S.
CHAPTER 10 TROUBLESHOOTING 10–72 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 10-602 B.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–73 CHAPTER 10 TROUBLESHOOTING Symbol Name Notation Description Motor Fan Clutch Solenoid M1 M2 M3 M4 FM1 FM2 FM4 FM5 CL1 CL2 CL3 SL1 SL2 Main drive Scanner drive Lens drive No.
CHAPTER 10 TROUBLESHOOTING 10–74 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) Figure 10-603 C.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–75 CHAPTER 10 TROUBLESHOOTING Symbol Name Notation Description H1 H2 H3 LA1 LA2 LA3 CNT1 CNT2 .
CHAPTER 10 TROUBLESHOOTING 10–76 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) D . PCBs 4 6 5 9 1 8 2 7 3 Figure 10-604 Ref.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–77 CHAPTER 10 TROUBLESHOOTING E. V ariable Resistors, Light-Emitting Diodes, and Chec k Pins b.
CHAPTER 10 TROUBLESHOOTING 10–78 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) A-configuration (2R2E) Ratio 200% A4 → A3 A3 → A4 50% 200.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–79 CHAPTER 10 TROUBLESHOOTING Table 10-608 Table 10-609 AB/Inch-configuration (4R4E) Ratio 200% A4/LTR → A3, B5 → B4 A4/LTR → B4 A3 → B4, A4/LTR → B5 B4 → A4/LTR A3 → A4/LTR, B4 → B5 50% 200.
CHAPTER 10 TROUBLESHOOTING 10–80 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 2. Power Supply PCB J503 5 1 1 6 J501 VR1 VR2 Figure 10-606 Figure 10-607 3.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–81 CHAPTER 10 TROUBLESHOOTING 4. High-Voltage Power Supply PCB J305 J302 3 1 2 1 J303 4 1 J304.
10–82 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING VII. SER VICE MODE A. Outline The copier’s service mode is divided into the following seven: Table 10-701 DISPLAY Description No.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–83 CHAPTER 10 TROUBLESHOOTING C. Using Adjust Mode and Function Mode In adjust mode and functi.
10–84 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Indicates the type of jam.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–85 CHAPTER 10 TROUBLESHOOTING Indicates the release number of the ROM of the ADF. Indicates the type of jam in the sorter. Indicates the tray warning for the sorter.
10–86 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Guide to ADF Jam History (No. 115) and ADF Jam Type (No. 117) • The type of jam is indicated using the following codes in the 10’s and 1’s places.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–87 CHAPTER 10 TROUBLESHOOTING Guide to Sorter Tray Warning (No.
10–88 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING No. Description Remarks 201 202 203 204 205 206 207 208 209 216 219 220 221 222 223 224 225 Not used. Indicates digit 4.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–89 CHAPTER 10 TROUBLESHOOTING Guide to Nos. 202, 203, 204, 205, 219, 220, 222, and 223 1a 1g 1b 1c 1f 1e 1d 2a 2b 2c 2d Figure 10-702 Detects the presence/absence of the total copy counter.
10–90 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Table 10-709b Description Connector Notation Signal Remarks No. LED DSW102-1 setting ON: on. 205 1a DSW102-2 setting ON: on.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–91 CHAPTER 10 TROUBLESHOOTING Table 10-709c Description Connector Notation Signal Remarks No. LED Waste toner box full detection Main heater triac short circuit detection ON: full.
10–92 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING F . Adjust Mode [3] • To select an item, use the keypad. • To execute an item, press the Start key. • To change a setting, use the keypad or the +/- Zoom key.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–93 CHAPTER 10 TROUBLESHOOTING 450 – 660 (120V model) 0 – 390 (230V model) 0 – 200 0 – 400 0 – 3 0 – 3 0 – 999 0 – 999 No.
10–94 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Stirs toner. Releases the multifeeder holding plate. Drum unit installation mode. Execute this mode at the time of drum unit installation or replacement.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–95 CHAPTER 10 TROUBLESHOOTING See Table 10-710. See Table 10-710. 0: Disable drum cleaning (standard). 1: Execute drum cleaning for every 50 copies (standard in Chinese mode).
10–96 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING 0: Make a retry (standard). Indicates the Jam message in response to the second registration delay jam. 1: Do not make a retry.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–97 CHAPTER 10 TROUBLESHOOTING No. Description Remarks 601 602 603 604 605 606 Large copy count.
10–98 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING J. Application Mode [7] • To select an item, use the keypad. • To execute an item, use the Start key. • To change the value, use the keypad or the + and - Zoom keys.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–99 CHAPTER 10 TROUBLESHOOTING VIII. SELF DIA GNOSIS The microprocessor on the copier’s DC controller PCB is equipped with a function that checks the condition of the machine (especially the condition of sensors).
10–100 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING • The main motor lock detection signal (MM_LKDT*) is detected for 1 sec continuously while the main motor is being driven.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–101 CHAPTER 10 TROUBLESHOOTING • IC114 (IPC) on the DC controller PCB cannot be initialized at power -on. • An IPC communication error has been detected twice or more within 1 sec at power-on.
10–102 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING Note: 1. When the diagnostic function has turned on, the copier can be reset by turning it off once. This, however, does not apply to E000, E001, E002, E003, or E004.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 10–103 CHAPTER 10 TROUBLESHOOTING B. ADF • Exchange of data with the copier has a fault. • The separation motor does not rotate. • The crescent sensor is faulty.
10–104 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) CHAPTER 10 TROUBLESHOOTING C. Sor ter • Exchange of data with the copier is faulty. • The feed motor does not rotate. • The feed motor rotates too slowly.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) APPENDIX A. GENERAL TIMING CHART ................ A-1 B. SIGNALS AND ABBREVIATIONS ...... A-2 C. GENERAL CIRCUIT DIAGRAM .......... A-5 D. SPECIAL TOOLS LIST .
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COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) A–1 A. GENERAL TIMING CHART Power switch ON Start key ON Leading edge of 1st page 160 ° C 120 °.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) A–2 B. SIGNALS AND ABBREVIA TIONS 1. Signals 5V_ON 5VU ON signal AC_24V_ON AC AND 24V ON signal [.
COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) A–3 AER AE ROTATION INTR INITIAL ROTATION LSTR LAST ROTATION SCFW SCANNER FORWARD SCRV SCANNER REVERSE STBY STANDBY WMUP WARM-UP WMUPR WARM-UP ROTATION 2.
APPENDIX A–4 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON).
A–5 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) 876543 21 A B C D E F 1234 1 J754 FG J750 J752 234 1234 1234 1234 1234 1 2 3 123 123 123 1 2 .
APPENDIX A–6 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON).
APPENDIX COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) A–7 D . SPECIAL TOOLS LIST Front door Point of use No. Tool description Tool No. Shape Notation Remarks 1 Door switch TKN-0093 A 2 Mirror positioning tool FY9-3009 B For adjusting the No.
APPENDIX A–8 COPYRIGHT © 1998 CANON INC. CANON NP7161/NP7160 REV.0 AUG. 1998 PRINTED IN JAPAN (IMPRIME AU JAPON) E. SOL VENTS AND OILS No. Description Use Composition Description 1 Ethyl alcohol (Etanol) Isopropyl alcohol (Isopropanol) Cleaning: e.
Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DEPT. 1 OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIV. CANON INC. Printed in Japan REVISION 0 (AUG.
0998S0.7-1 This publication is printed on 70% reprocessed paper . PRINTED IN JAPAN (IMPRIME AU JAPON).
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Canon NP7161 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Canon NP7161 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Canon NP7161, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Canon NP7161 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Canon NP7161, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Canon NP7161.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Canon NP7161. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Canon NP7161 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
