Manuel d'utilisation / d'entretien du produit d-Color P20W du fabricant Olivetti
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Digital Color Printer Olivetti d-Color P20W/P26W User Guide.
PUBLICATION ISSUED BY: Olivetti S.p.A. Gruppo Telecom Italia Via Jervis, 77 - 10015 Ivrea (ITALY) www.olivetti.com Copyright © 200 6 , Oliv etti All rights reserved September 2006 The manufacturer reserves the right to carry out modifications to the product described in this manual at any time and without any notice.
Preface> 3 P REFACE Every effort has been made to ensure th at the information in this document is complete, accurate, and up-to-date. The manufacturer assumes no re sponsibility for the re sults of errors beyond its contr ol.
Directive 2002/96/CE on the Treatment, Collectio n, Recycling and Dispos al of Electric D IRECTIVE 2002/96/CE ON THE T REATMENT , C OLLECTION , R ECYCLIN G AND D ISPOSAL OF E LECTRIC AND E LECTRONIC DEVICES AND THEIR COMPONE NTS 1.
Contents> 5 C ONTENTS Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Emergency First Aid . . . . . . . . . . . . . . . . . . . . . . . . 3 Directive 2002/96/CE . . . . . . . . . . . . . . . . . . . . . . 4 Contents . .
Notes, Cautions and Warnings> 6 Consumable orde r details . . . . . . . . . . . . . . . . . . 61 Toner cartridge replacement . . . . . . . . . . . . . . . . 62 Image drum re placement . . . . . . . . . . . . . . . . . . 67 Replacing the b elt unit .
Introduction> 7 I NTRODUCTION Congratulations on buying this colour printer. Your new printer is designed with advanced feature s to give you clear, vibrant colour prints and crisp black and white pages at high speed on a range of print media for the o ffice.
Introduction> 8 P RINTER OVERVIEW F RONT VIEW The LCD display language can be changed to show differe nt languages. (See “Changing the display language” on page 10.) 1. Output stacker , face down. Standard printed copy delivery point. Holds up to 250 sheets at 80g/m².
Introduction> 9 R EAR VIEW This view shows the connection panel, the rear output stacker and the location of the optional duplex (two-sided printing) unit. * The Network In terfac e has a prot ective “plug” which m ust be r emove d befor e conn ec tio n ca n b e m ad e.
Introduction> 10 C HANGING THE DISPLAY LANGUAG E The default language used by yo ur printer for display messages and for report printing is English.
Paper recommendations> 11 P APER RECOMME NDATIONS Your printer will handle a variety of print media, including a range of paper weights and sizes, transparencies and envelopes. This section provides general advice on choice of media, and explains how to use each type.
Paper recommendations> 12 C ASSETTE TRAYS If you have identical paper stock lo aded in another tray (2nd tray if you have one, or multi purpose tray) you can have the printer automatically switch to the other tray when the current tray runs out of paper.
Paper recommendations> 13 F ACE DOWN STACKER The face down stacker on the top of the printer can hold up to 250 sheets of 80g/m² standard paper, and can hand le pape r stocks up to 176g/m². Pages printed in reading order (page 1 first) will be sorted in reading order (last page on top, facing down).
Loading pape r> 14 L OADING PAPER C ASSETTE TRAYS 1. R emove the paper tr ay from the printer . 2. F an the paper to be loaded a t t he edges and in t he middle to ensure that all shee ts are properly separ ated, the n tap the edges of the stack on a flat surface to make it flush agai n.
Loading pape r> 15 3. Load letter headed paper face down and top edg e towards the front of the printer , as shown. 4. Adjust the rear stopper (1) and paper guides (2) to the size of paper being used. To prevent paper jams: • Do not leave space between the paper and the guides and rear stopper .
Loading pape r> 16 6. F or face down printing, make sure the face up (rear) stacker (3) is closed (the pape r exits from the top of the printer). Stacking capacity is approximately 250 sheets, depending on pap er weight. 7. F or face up printing, make sure the face up (rear) stacker (3) is open and the paper support (4) is extended.
Loading pape r> 17 M ULTI PURPOSE TRAY 1. Open the multi purpose tr ay (1). 2. F old out the paper supports (2). 3. Press gently down on the paper platform (3) to ensure it is latched down. 4. Load the paper and adjust the paper guide s (4) to the size of paper being used.
Loading pape r> 18 • F or two-sided (duplex) printing on headed paper load the paper with pre-printed side down and top edge awa y from the printer . (Optional duplex unit must be installed for this function.) • Envelopes sh ould be loaded face up with top edge to the left and short edge into the printer .
Printer settings in Wind ows> 19 P RINTER SETTINGS IN W INDOWS Your printer’s operator panel menus provide access to many options. The Windows printer driver also contains settings for many of these items.
Printer settings in Wind ows> 20 S ETUP TAB When you click the Properties button from your application’s Print dialogue, the driver window opens to allow you to specify your printing preferences for the current document.
Printer settings in Wind ows> 21 J OB OPTIONS TAB 1. The output resolution of the printed page can be set as follows. • The High Quality setting prints at 600 x 600dpi x 2 bit. This option requires the most printer memory and takes the longest to print.
Printer settings in Wind ows> 22 C OLOUR TAB 1. Control over th e colour output of your printer ma y be performed automatically , or for adv anced control, by manual adjustment. The automatic setting will be appropriate in most cases. The other options in this window only become visible when you select a choice other than Auto.
Printer settings in Wind ows> 23 S ETTING FROM W INDOWS CONTROL PANEL When you open the driver properties window directly from Windows, rather than from within an application program, a somewhat more extensive range of settings is provided.
Printer settings in Wind ows> 24 A DVANCED TAB 1. Y ou can specify which times of day y our printer will be av ailable. 2. Indicates current priority , from 1 (lowe st) to 99 (highest). Highest priority documents will print first. 3. Specifies that documents should be spooled (stored in a special print file) before being printed.
Printer settings in Wind ows> 25 7. Directs the spooler to check the document setup and match it to the printer setup before sending the document to print. If a mismatch is detected, the document is held in the print queue and does not print until the printer setup is changed and the do cument restarted from the print queue.
Printer settings in Wind ows> 26 D EVICE OPTIONS TAB In this window you can select which optional upgrades are installed on your printer. This is covered in more detail in the section in this guide ab out installing upgrades.
Printer settings in Mac> 27 P RINTER SETTINGS IN M AC The information in this section is based on Mac OS X Tiger (1 0.4). Other versions such as Panther (10.3) and Jaguar(10.2) versions may appear slightly different, but the principles are the same.
Printer settings in Mac> 28 select more options from the Copies & Pages menu. F or a description of these options, see “P rint options” on page 31. 7. Click the Print button. S ETTING P RINTING O PTIONS - S AVING D RIVER SETTIN GS You can save a set of printer driver options to use for future documents.
Printer settings in Mac> 29 3. Select Save As Default from the Settings drop-down menu. 4. T o sav e the current printer driver settings as a preset, select Save As from the Preset menu.
Printer settings in Mac> 30 P AGE SETUP OPTIONS This section provides a discription of the page setup options available to you. Page setup options Page Attributes You can select “Save As Default” to use the curren t Page Setup settings as a standard for all documents.
Printer settings in Mac> 31 P RINT OPTIONS Copies & pages Copies This option allows you to enter the number of copies to print. If you select Collate, all pages of the document will print before the next copy prints. Pages You can select whether to print all pages of a document or just a section of it.
Printer settings in Mac> 32 Layout Pages per sheet You can shrink multiple pages and print them on a single sheet of paper. For example, ch oosing 4-up will tile four of your document's pages across a single sheet of paper.
Printer settings in Mac> 33 Scheduler This option lets you choose whether to print your document immediately, or de fer printi ng unt il later. You can also assign a priority to a print job. These features are useful if you are printing large documents that take a long time to print.
Printer settings in Mac> 34 Paper handling Page order You can choose to print your document in the normal page order (1,2,3..) or reverse orde r (. .
Printer settings in Mac> 35 ColorSync Color conversio n For Color Conversion, Standard is the only option available for your printer model. Quartz Fi lter Choose a Quartz filter if you wish to apply a special effect to your print job, such as Sepia or Blu e Tone.
Printer settings in Mac> 36 Cover page Choosing a cover page may help you to identify your printed document in a large pile of paper. Th is is useful in a busy office with many people sharing the printer. Duplex If you have an optional duplex unit fitted to your printer, you can print on both sides of the paper.
Printer settings in Mac> 37 Paper sou rce This option allows you to select the paper tray to use for your print job..
Printer settings in Mac> 38 Print quality Print quality Use this option to selects the print resolutio n. The High Quality (Multilevel) setting produces the best graph ic images, but these images can take longer to print. Photo Enhance Use Photo Enhance to significantly improve quality when printing images.
Printer settings in Mac> 39 Colour Colour mode COLOUR MODE DESCRIPTION Advanced Colour The driver selects th e most appropriate color settings. Manual Allows you to manu ally adjust colou r and black and white se ttin gs or selec t. Gra yscale Convert al l colors to shades of grey .
Printer settings in Mac> 40 Color matching Black F inish Use this option to cont rol the way black is printed in colour documents. Select Composite Black (CMYK) to uses all 4 toner colours to represent black. This option is recommended for color photos.
Printer settings in Mac> 41 P RINTER SETUP OPTIO NS Printer o ptions Media weight Select the thickness or type of paper in the printer. It is important to set this correctly as it affects the temperature at which the toner is fused to the paper.
Printer settings in Mac> 42 Feed manually from Multipurpose Tray Select this option if you want the printer to wait until you press the ONLINE button when feeding from the Multipurpose Tray.
Colour printing > 43 C OLOU R PRINTING The printer drivers supplied with your printer provide several controls for changing the colour output. For gen eral use the automatic settings will suffice, providing reasonable default settings that will produce good results for most documents.
Colour printing > 44 Viewing conditions A print can look very different un der different lighting conditions. For example, the colours in a print may look different when viewed standing next to a sunlit window, compared to how they look under standard office fluorescent lighting.
Colour printing > 45 T IPS FOR PRINTING IN COLOUR The following guidelines may help you to achieve good colour output from your printer. P RINTING PHOTOGRAPHIC IMAGES Use the Monitor (6500k) Perceptual setting. If the colours look too dull, try the Monitor (6500k) Vivid or Digital Camera settings.
Colour printing > 46 A CCESSING THE COLOUR MATC HING OPTI ONS The colour matching options in the printer driver can be used to help match your printed colours to the ones displayed on your monitor or from some other source, su ch as a digital camera.
Colour printing > 47 2. Choose the Natur al colour setting and select from the following options: (a) Monitor (6500k) Perceptual Optimised for printing photographs.
Menu functions> 48 M ENU FUNCTIONS This sections lists the menus accessed via the controls on the printer’s operator panel and displayed in the LCD window. It should be noted that many of these settings can be, and often are, overridden by s ettings in the Windows printer drivers.
Menu functions> 49 I TEM A CTION E XPLAN ATION PRINT MENU MAP EXECUTE Prints complet e me nu listing with current settings s hown. NETWORK EXECUTE Prints Network configur ation information. DEMO1 EXECUTE Prints demons tr ation page containing graphics and text in colour and monochrome.
Menu functions> 50 P RINT MENU This menu provides adjustment of various print job related functions. I TEM S ETTINGS E XPLANATION COPIES 1 -999 Enter the number of copies of a document to be printed from 1 to 999. DUPLEX ON/ OFF T urns th e duplex (2- sided) printin g function on or off if this feature is installed.
Menu functions> 51 MONO-PR INT SPEED AUTO SPEED NORMAL SPEED COLOR SPEED If the first page of a prin t job is black and white, the printer run s at 32ppm (pages per minute). When a colour page is detected the printer slows down to 20ppm (P20W) o r 26ppm (P26W) for the rest of that job .
Menu functions> 52 M EDIA MENU This menu provides adjustment to suit a wide range of print media. I TEM S ETTINGS E XPLA NATION TRA Y1 PA P E R S I Z E A4 / A5 / A6 / B5 LEGAL1 4 LEGAL1 3.5 LEGAL1 3 LET TE R EXECUT IVE CUST OM Selects the s ize of paper loaded in T ray 1 (upper tr ay if both trays installed).
Menu functions> 53 TRA Y2 MEDIA WEIG HT LIGHT (6 4- 74g/m²) MEDIUM (7 5- 90g/m²) HEA VY (91- 176g/m²) Adjusts the printer for the weight of paper stock loaded in this tr ay (if installed) .
Menu functions> 54 Y- D I M E N S I O N 148- 297 -12 00 MILLIMETRE Selects the lengt h of paper defined by the “Custom” settings referred to in the foregoing P APER SIZE settings. N o te that media o f up to 1200mm in length ca n be fed from the multi purpose tr ay for banner printing.
Menu functions> 55 C OLOUR MENU The printer automatically adjusts colour balance and density at appropriate intervals, optimising the printed output for bright white paper viewed in natural daylight conditions. The items on this menu provide a means of changing the default settings for special or particularly difficult print jobs.
Menu functions> 56 S YSTEM CONFIGURATION MENU This menu adjusts general printer settings to suit the way yo u prefer to work. I TEMS S ETTINGS E XPLANAT ION POW SA V E TIME 5 15 30 60 240 Adjusts the idling time before the printer automati cally switche s into power saving mode.
Menu functions> 57 USB MENU This menu controls the operation of the printer’s USB data interface. N ETWO RK MENU This menu controls the operation of the printer’s 10Base-T/ 100Base-TX network interface. I TEM S ETTINGS E XPLANA TION SOFT RESET ENABLE / DISABLE Enables or disables the SOF T RESET command.
Menu functions> 58 M AINTENANCE MENU This menu provides access to various printer main tenance functions. FTP ENABL E / DEF AUL T Enables or disables commu ni cat ion via FTP . SNMP ENABLE / DISABLE Enables or disables SNMP protocol. NETWORK SCALE NORMAL / SMALL Selects network size.
Menu functions> 59 U SAGE MENU This menu is for information only, and provides an indication of total usage of the printer and the expected life left in its consumable items. This is particularly useful if you do not have a full set of replacem ent consumables to hand and you need to know how soon you will need them.
Replacing consumable items> 60 R EPLACING CONSUM ABLE ITEMS This section explains how to replace consumable items when due. As a guide, the life expectancy of these items is: > Toner : The P20W .
Replacing consumable items> 61 C ONSUMAB LE ORDER DETAILS * Aver age life: 20% pages at continuous print, 50% pages at 3 pages per job and 30% pa ges at 1 page per job.
Replacing consumable items> 62 T ONER CARTRIDGE REPLACEMENT The toner used in this printer is a very fine dry powder. It is contained in four cartridges: one each for cyan, magenta, yellow and black. Have a sheet of paper handy so that y ou have somewhere to place the used cartridge while you install the new one.
Replacing consumable items> 63 2. Note the positions of th e four cartridges. (a) Pull the coloured toner release lever (1) on the cartridge to be replaced fully towards the front of the printer. 1 2 3 4 1. Cy an cartridge 2. Magenta cartridge 3. Y ellow cartridge 4.
Replacing consumable items> 64 3. Lift the right -hand end of th e cartridge and then dr a w the cartridge to the right to release the left -hand end as shown, and withdraw the toner cartridge out of the printer . 4. Put the cartridge down gently onto a piece of paper to prevent toner fro m marking you r furniture.
Replacing consumable items> 65 7. R emove the wr apping material and peel off the adhesive tape from the underside of the cartridge. 8. Holding the cartridge by its top centre with the coloured lever to the r ight, lower it into the printer over the image drum unit from which the old cartridge was remov ed.
Replacing consumable items> 66 rear of the printer . This will lock the cartridge into place and release toner into the image drum unit. 11. Finally , close the top cover and press down firmly at both sides so that the cov er latches closed.
Replacing consumable items> 67 I MAGE DRUM REPLACEMENT Switch off the printer and allow the fuser to cool for about 10 minutes before opening the cover. The printer contains four image drums: cyan, magenta, yellow and black. 1. Press the cover release and open the printer’ s top cover fully .
Replacing consumable items> 68 3. Holding it by its top centre, lift the image drum, complete with its toner cartridge, up and out of the printer . 4. Put the cartridge down gently onto a piece of paper to prevent toner fro m marking your furn iture and to avoid damaging the green drum surface.
Replacing consumable items> 69 6. Lift the right -hand end of th e cartridge and then dr a w the cartridge to the right to release the left -hand end as shown, and withdraw the toner cartridge out of the image drum cartridge. P lace the cartridge on a piece of paper to avoid m arking your furniture.
Replacing consumable items> 70 9. Push the coloured release le ver (1) awa y from you to lock the toner cartridge onto the new image drum unit and release toner into it. 10. Holding the complete assembly by its top centre, lower it into place in the printer , locating the pegs at each end into their slots in the sides of the printer cavity .
Replacing consumable items> 71 R EPLACING THE BELT UNIT The belt unit is located under the four image drums. This unit requires replacement approximately every 60,000 pages. Switch off the printer and allow the fuser to cool for about 10 minutes before opening the cover.
Replacing consumable items> 72 3. Lift each of th e image drum units out of the printer and place them in a safe place aw ay from direct sources of heat and light. 4. Locate the two fasteners (5) at each side of the belt and the lifting bar (6) at the front end.
Replacing consumable items> 73 7. Lower the new belt unit into place, with the liftin g bar at the front and the drive gear tow ards the rear of the printer . Locate the drive gear into the gear inside the printer by the rear left corner of the unit, and lower the belt unit flat inside the printer .
Replacing consumable items> 74 F USER REPLACEMENT The fuser is located inside the printe r just behind the four image drum units. Switch off the printer and allow the fuser to cool for about 10 minutes before opening the cover. 1. Press the cover release and open the printer’ s top cover fully .
Replacing consumable items> 75 5. R emove the new fuser from its packaging and remove the transit material. 6. Holding the new fuser by its handle, make sure that it is the correct way round. The retaining levers (2) should be fully upright, and the two locating lugs (3) should be towards you.
Replacing consumable items> 76 C LEANING THE LED HEAD Clean the LED head when printing does not come out clearly, has white lines or when text is blurred. 1. Switch off th e printer and open the top cover . 2. Gently wipe the LED head surface with LE D lens cleaner or soft tissue.
Installing upgrades> 77 I NSTALLING UPGRADES This section explains how to install optional equipment into your printer. This includes: > duplex (two-sided printing) unit; > additional RAM mem.
Installing upgrades> 78 5. Print a menu map as follows: (a) Press the + button to access the Information Menu. (b) Press ENTER once for the menu map. (c) Press ENTER again to print the menu map. (d) When the menu map is printed, press ON LINE to exit the menu system.
Installing upgrades> 79 3. Lift the front cover latch and pull open the front cov er . 4. R emove the screw (1) securing the right -hand side co ver . 5. Lift the edge of the side cover slightly at the two points shown, and pull the cover a way from the printer at the top.
Installing upgrades> 80 7. Notice that the memory board has a small cutout in the edge connector , which is closer to one end than the other . 8. Identify the RAM expansion slot (1) in the printer . 9. If the RAM expansion slot already contains a memory upgrade board, that board will have to be remov ed before you can install the new one.
Installing upgrades> 81 10. Hold the new memory board by its short edges, so that the edge connector faces in towards the RAM expansion slot, and the small cutout is closer to the rear of the printer . 11. Gently push the board into th e RAM expansion slot until it latches in and will not go any further .
Installing upgrades> 82 A DDITIONAL PAPER TRAY 1. Switch the printer o ff and disconnect the AC power cable. 2. Place additional paper tray on desired location. 3. Observing safety rules for lifting and, using locating guides, place printer on top of the additional paper tr ay.
Installing upgrades> 83 A DJUSTING W INDOWS PRINTER DRIVERS Once your new upgrade has been installed, you may need to update the Windows printer driver so that the additional features are available to your Windows applications.
Clearing pa per jams> 84 C LEARING PAPER JAMS Provided that you follow the recommendations in this guide o n the use of print media, and you keep the media in good condition prior to use, your printer should give years of reliable service. However, paper jams occasionally do occur, and this section explains how to clear them quickly and simply.
Clearing pa per jams> 85 P APER SENSOR ERROR CODES * (if fitted). 1. If a sheet is well adv anced out of the top of the printer , simply grip it and pull gently to dr aw it fully out. If it does not remove easily , do not use ex cessive force. It can be removed from the rear later .
Clearing pa per jams> 86 3. Note the positions of th e four cartridges. It will be necessary to remove the four image drums to gain access to the paper path. 4. Holding it by its top centre , lift the cy an image drum, complete with its toner cartridge, up and out of the printer .
Clearing pa per jams> 87 5. Put the cartridge down gently onto a piece of paper to prevent toner fro m marking your furn iture and to avoid damaging the green drum surface. 6. R epeat this removal procedur e for each of the remaining image drum units.
Clearing pa per jams> 88 • T o remo ve a sheet from the centr al area of the belt (2), carefully separate the sheet from the belt surface and withdr aw the sheet.
Clearing pa per jams> 89 8. Starting with the cyan image drum unit nearest the fuser , replace the four image drums into the drum cavity , making sure to locate them in the correct order .
Clearing pa per jams> 90 9. Lower the top cov er but do not press down to latch it closed yet. This will protect the drums from ex cessive exposure to room lighting while you check the remaining areas for jammed sheets. 10. Open the rear exit tray (5) and check for a sheet of paper in the rear path area (6).
Clearing pa per jams> 91 12. Lift the front cover release and pull open the fron t cover . 13. Check inside the cover for sheets in this area and remove any that you find, then close the cover .
Clearing pa per jams> 92 15. Finally , close the top cover and press down firmly at both sides so that the cov er latches closed. When the jam has been cleared, if Jam Recovery is set to ON in the System Configuration Menu, the printer will attempt to reprint any pages lost due to paper jams.
Specifications> 93 S PECIFICATIONS ITEM SPECIFICATION Dimensions 435 x 563 x 339mm ( W x D x H) without Duplex unit We i g h t 26Kg approx. (without Duplex unit) Print method LED exposed light so u.
Specifications> 94 Pa p er c a p a c i t y (depending on paper weight) P aper tray: 300 sheets appro x. Manual feed: 100 sheets approx. Optional additional paper tray: 530 Exit capacity (depending on paper weight) F ace up: 100 sheets approx. F ace down: 500 sheets appro x.
Specifications> 95 Print environ ment 30 to 73% RH @ 10 °C; 3 0 to 54% RH @ 32 °C 10 to 32 °C @ 30% R H; 10 to 27 °C @ 80% RH Colour 17 to 27 °C @ 50 to 0% RH 1. Exit method is li mited by paper size, media weight and paper feed. Specifications subject to change wit hout notice.
Index > 96 I NDEX A Advanced features enabling or disabling .. ............ 25 B Belt how to replace .................... ... 71 life expectancy ... ............ ........ 60 life remaining ..... ............ ........ 59 Black printing glossy or matte .
Index > 97 P Page orientation setting in Windo ws .............. ... 21 Paper jam clearing ... ............ ............ 84 jam codes ........... ............ ........ 85 loading cassette trays ............ 14 loading lett erhead ..................
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 Olivetti d-Color P20W 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 Olivetti d-Color P20W - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Olivetti d-Color P20W, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Olivetti d-Color P20W va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Olivetti d-Color P20W, 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 Olivetti d-Color P20W.
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 Olivetti d-Color P20W. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Olivetti d-Color P20W 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.
