Page 2 - REFACE
Preface> 2 P REFACE Every effort has been made to ensure that the information in this document is complete, accurate, and up-to-date. The manufacturer assumes no responsibility for the results of errors beyond its control. The manufacturer also cannot guarantee that changes in software and equipm...
Page 3 - ONTENTS
Preface> 3 C ONTENTS Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Printer overview . . . . . . . . . . . . . . . . . . . . . . . . . . 7 Front view. . . . . . . . . . . . . . . . . . . . . ....
Page 5 - NOTE
Preface> 5 N OTES , C AUTIONS AND W ARNINGS NOTE A note appears in this manual like this. A note provides additional information to supplement the main text which may help you to use and understand the product. CAUTION! A caution appears in this manual like this. A caution provides additional inf...
Page 6 - NTRODUCTION; Your printer includes these features:
Introduction> 6 I NTRODUCTION Congratulations on buying this Oki colour printer. Your new printer is designed with advanced features to give you clear, vibrant colour prints and crisp black and white pages at high speed on a range of print media for the office. Your printer includes these feature...
Page 7 - RONT
Introduction> 7 > Additional memory allows printing of more complex pages, including two-sided and booklet pages with the optional duplex unit. P RINTER OVERVIEW F RONT VIEW The LCD display language can be changed to show any of 14 different languages. (See “Changing the display language” on p...
Page 8 - connection can be made.
Introduction> 8 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 Interface has a protective “plug” which must be removed before connection can be made. When the rear paper stacker is folded do...
Page 9 - ENTER
Introduction> 9 C HANGING THE DISPLAY LANGUAGE The language used by your printer for display messages and for report printing can be changed quickly and easily as follows: 1. Press the + key repeatedly to access the System Configuration Menu. 2. Press the ENTER key to enter the System Configurati...
Page 10 - APER; Pre-printed stationery
Paper recommendations> 10 P APER RECOMMENDATIONS 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. The best performance will be ...
Page 11 - ASSETTE; SIZE; Light
Paper recommendations> 11 C ASSETTE TRAYS If you have identical paper stock loaded 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. When printing from Windows applications, th...
Page 13 - Remove the paper tray from the printer.
Loading paper> 13 L OADING PAPER C ASSETTE TRAYS 1. Remove the paper tray from the printer. 2. Fan the paper to be loaded at the edges (1) and in the middle (2) to ensure that all sheets are properly separated, then tap the edges of the stack on a flat surface to make it flush again (3). 1 2 3
Page 17 - RINTER; RINTING; When you click; Properties; a new window opens which contains a
Printer settings in Windows> 17 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. Where items in the printer driver are the same as those in the operator panel menus, and you...
Page 18 - ETUP; When you click the; For two
Printer settings in Windows> 18 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. 1. Paper size should be the same as the page size of your document (unless yo...
Page 19 - OB
Printer settings in Windows> 19 J OB OPTIONS TAB 1. The output resolution of the printed page can be set as follows. • The highest quality setting prints at 1200 x 600dpi. This option requires the most printer memory and takes the longest to print. • The normal setting prints at 600 x 600dpi and ...
Page 20 - OLOUR; A single on-screen button restores the default settings.
Printer settings in Windows> 20 C OLOUR TAB 1. Control over the colour output of your printer may be performed automatically, or for advanced control, by manual adjustment. The automatic setting will be appropriate in most cases. The other options in this window only become visible when you selec...
Page 21 - ETTING; ENERAL
Printer settings in Windows> 21 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. Changes made here will generally affect all documents you...
Page 22 - DVANCED
Printer settings in Windows> 22 A DVANCED TAB 1. You can specify which times of day your printer will be available. 2. Indicates current priority, from 1 (lowest) to 99 (highest). Highest priority documents will print first. 3. Specifies that documents should be spooled (stored in a special print...
Page 24 - EVICE
Printer settings in Windows> 24 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 about installing upgrades.
Page 25 - Viewing conditions
Colour printing> 25 C OLOUR PRINTING The printer drivers supplied with your printer provide several controls for changing the colour output. For general use the automatic settings will suffice, providing reasonable default settings that will produce good results for most documents. Many applicati...
Page 26 - There are several settings found on a typical monitor:; How your software application displays colour
Colour printing> 26 viewed standing next to a sunlit window, compared to how they look under standard office fluorescent lighting. Printer driver colour settings The driver settings for manual colour can change the appearance of a print. There are several options available to help match the print...
Page 27 - Colour Correct Utility
Colour printing> 27 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....
Page 29 - Choose the; Manual; colour setting and select from the
Colour printing> 29 2. Choose the Manual colour setting and select from the following options: (a) Monitor (6500k) PerceptualOptimised for printing photographs. Colours are printed with emphasis on saturation. (b) Monitor (6500k) VividOptimised for printing photographs, but with even more saturat...
Page 30 - An example of using the colour swatch function:
Colour printing> 30 U SING THE COLOUR SWATCH FEATURE To use the Colour Swatch feature, you must install the Colour Swatch Utility. This is supplied on the CD-ROM that was supplied with your printer. The Colour Swatch function prints charts which contain a range of sample colours. Note that this i...
Page 32 - or...
Menu functions> 32 M ENU FUNCTIONS This section 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 settings in the Windows printer drivers. However, several ...
Page 33 - DO NOT USE
Menu functions> 33 I NFORMATION MENU This menu provides a quick method of listing various items stored within the printer. P RINT MENU This menu provides adjustment of various print job related functions. INFORMATION MENU ITEM ACTION EXPLANATION PRINT MENU MAP EXECUTE Prints complete menu listing...
Page 34 - AUTO SPEED; PRINT MENU
Menu functions> 34 MONO-PRINT SPEED AUTO SPEED MONO 24PPM COLOUR SPEED MIXED SPEED If the first page of a print job is only black and white, the printer runs at 20ppm (pages per minute). When a colour page is detected the printer slows down to 16ppm for the rest of that job.This setting operates ...
Page 35 - MEDIA MENU
Menu functions> 35 M EDIA MENU This menu provides adjustment to suit a wide range of print media. MEDIA MENU ITEM SETTINGS EXPLANATION TRAY1 PAPERSIZE A4 / A5 / A6 / B5 LEGAL14LEGAL13.5LEGAL13LETTEREXECUTIVECUSTOM Selects the size of paper loaded in Tray 1 (upper tray if both trays installed). Fo...
Page 36 - MEDIUM; MPT PAPERSIZE; PLAIN; INCH
Menu functions> 36 TRAY2 MEDIAWEIGHT LIGHT (64-74g/m²) MEDIUM (75-90g/ m²)HEAVY (91-120g/m²)ULTRA HEAVY(121-176g/m²) Adjusts the printer for the weight of paper stock loaded in this tray. MPT PAPERSIZE A4 / A5 / A6 / B5 LEGAL14LEGAL13.5LEGAL13LETTEREXECUTIVECUSTOMCOM-9 ENVELOPECOM-10 ENVELOPEMONA...
Page 37 - MILLIMETRE
Menu functions> 37 Y-DIMENSION 148- 297 -1200 MILLIMETRE Selects the length of paper defined by the “CUSTOM” settings referred to in the foregoing PAPER SIZE settings. Note that media of up to 1200mm in length can be fed from the multi purpose tray for banner printing. MEDIA MENU ITEM SETTINGS EX...
Page 38 - COLOUR MENU; MANUAL
Menu functions> 38 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...
Page 39 - SYSTEM CONFIGURATION MENU
Menu functions> 39 S YSTEM CONFIGURATION MENU This menu adjusts general printer settings to suit the way you prefer to work. SYSTEM CONFIGURATION MENU ITEMS SETTINGS EXPLANATION POW SAVE TIME 5 1530 60 240 Adjusts the idling time before the printer automatically switches into power saving mode. I...
Page 40 - USB; MENU; English
Menu functions> 40 USB MENU This menu controls the operation of the printer’s USB data interface. N ETWORK MENU This menu controls the operation of the printer’s 10Base-T/100Base-T network interface. LANGUAGE English , German, French, Italian, Spanish, Swedish, Norwegian, Danish, Dutch, Turkish, ...
Page 41 - This menu determines how printer memory is used.
Menu functions> 41 M EMORY MENU This menu determines how printer memory is used. IP ADDRESS xxx.xxx.xxx.xxx Current assigned IP address. To change, press ENTER and use + / – keys to increment 1st octet, then press ENTER again to move on to next octet. When 4th octet has been set, press ENTER agai...
Page 43 - USAGE MENU
Menu functions> 43 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 replacement consumables to hand and you need to know how soon...
Page 44 - EPLACING; Transfer belt — Approximately 50,000 A4 pages.; K XXXXXX
Replacing consumable items> 44 R EPLACING CONSUMABLE ITEMS This section explains how to replace consumable items when due. As a guide, the life expectancy of these items is: > Toner — 3,000 (standard capacity) or 5,000 (high capacity) A4 pages at 5% coverage, which means that 5% of the address...
Page 45 - ONSUMABLE; ITEM; Fuser
Replacing consumable items> 45 C ONSUMABLE ORDER DETAILS * Average life: 20% pages at continuous print, 50% pages at 3 pages per job and 30% pages at 1 page per job. Only use genuine Oki Original consumables to ensure the best quality and performance from your hardware. Non Oki Original products ...
Page 46 - ONER; Do not use
Replacing consumable items> 46 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 you have somewhere to place the used cartridge while you inst...
Page 47 - Note the positions of the four cartridges.
Replacing consumable items> 47 1. Press the cover release and open the printer’s top cover fully. 2. Note the positions of the four cartridges. WARNING! If the printer has been powered on, the fuser may be hot. This area is clearly labelled. Do not touch. 1 2 3 4 1. Cyan cartridge 2. Magenta cart...
Page 48 - Carry out one of the following:
Replacing consumable items> 48 3. Carry out one of the following: (a) If you are replacing a toner cartridge that has been supplied with your printer (lever has 3 positions), pull the coloured toner release lever on the cartridge to be replaced towards the front of the printer, in the direction o...
Page 52 - MAGE; Static sensitive devices, handle with care.
Replacing consumable items> 52 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. CAUTI...
Page 60 - USER
Replacing consumable items> 60 F USER REPLACEMENT The fuser is located inside the printer 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. WAR...
Page 63 - LEANING; LED; HEAD; Switch off the printer and open the top cover.
Replacing consumable items> 63 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 the printer and open the top cover. 2. Gently wipe the LED head surface with LED lens cleaner or soft tissue. 3. Close the top c...
Page 64 - NSTALLING; • additional RAM memory.; UPLEX
Installing upgrades> 64 I NSTALLING UPGRADES This section explains how to install optional equipment into your printer. This includes: • duplex (two - sided printing) unit (standard on C5250dn). • additional RAM memory. • additional paper tray. D UPLEX UNIT The duplex unit adds the function of tw...
Page 66 - EMORY; Switch the printer off and disconnect the AC power cable.
Installing upgrades> 66 M EMORY UPGRADE The basic printer model comes equipped with 32MB of main memory. This can be upgraded with an additional memory board containing 64MB or 256MB, giving a maximum total memory capacity of 288MB. Installation takes a few minutes, and requires a medium size cro...
Page 69 - ECOND; Installation
Installing upgrades> 69 S ECOND PAPER TRAY An additional paper tray can be installed and, when combined with the standard paper tray, increases the paper capacity to 830 sheets (approximately). Installation 1. Switch off the printer and disconnect the power cable and printer interface cable. 2. L...
Page 70 - DJUSTING; If you have installed a duplex unit, proceed as follows:; Start; On the; Device Options; Click; OK; to close the properties window, and then close
Installing upgrades> 70 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. Remember that if your printer is shared between users on different co...
Page 71 - LEARING
Clearing paper jams> 71 C LEARING PAPER JAMS Provided that you follow the recommendations in this guide on 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 exp...
Page 73 - • To remove a sheet with its leading edge at the front of
Clearing paper jams> 73 5. Put the cartridge down gently onto a piece of paper to prevent toner from marking your furniture and to avoid damaging the green drum surface. 6. Repeat this removal procedure for each of the remaining image drum units. 7. Look into the printer to check whether any shee...
Page 74 - • To remove a sheet from the central area of the
Clearing paper jams> 74 • To remove a sheet from the central area of the belt (2), carefully separate the sheet from the belt surface and withdraw the sheet. • To remove a sheet just entering the fuser (3), separate the trailing edge of the sheet from the belt, push the fuser pressure release lev...
Page 75 - • Holding the complete assembly by its top centre, lower
Clearing paper jams> 75 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. • Holding the complete assembly by its top centre, lower it into place in the printer, locating the pegs at each...
Page 76 - • Pull out any sheets found in this area.
Clearing paper jams> 76 9. Lower the top cover but do not press down to latch it closed yet. This will protect the drums from excessive 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 ...
Page 77 - Lift the front cover release and pull open the front cover.
Clearing paper jams> 77 12. If your printer has a duplex unit installed, press the cover release at the centre of the unit, open the cover and remove any sheets in this area, then close the cover. 13. Lift the front cover release and pull open the front cover.
Page 79 - PECIFICATIONS
Specifications> 79 S PECIFICATIONS ITEM SPECIFICATION Dimensions 425 x 561 x 345mm (W x D x H) Weight 25Kg Print speeds 16 pages per minute colour / 24 pages per minute monochrome Resolution 600dpi or 600 x 1200dpi Emulations Windows GDI Auto Features Auto registration Auto density adjustmentAuto...
Page 80 - NDEX
Index> 80 I NDEX A Additional paper trays ................... 69Adjusting Windows printer drivers ... 70Advanced features enabling or disabling................. 23 B Belt how to replace ......................... 57 life expectancy......................... 44 Black printing glossy or matte ..........
Page 82 - KI
Oki contact details> 82 O KI CONTACT DETAILS Oki Systems (UK) Limited 550 Dundee RoadSlough Trading EstateSlough, SL1 4LE Tel:44 (0) 1753 819819Fax:44 (0) 1753 819899http://www.oki.co.uk Oki Systems Ireland Limited The Square Industrial ComplexTallaght, Dublin 24, Ireland Tel:+353 1 4049590Fax:+3...
