Oki C911dn Troubleshooting Manual
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Oki C911dn Troubleshooting Manual

Oki C911dn Troubleshooting Manual

C911dn/c931dn/c941dn troubleshooting guide
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See also: Maintenance Manual , User Manual
User's Manual
Troubleshooting/Daily
Maintenance Manual
Read for any points that
are not understood, or
for maintenance
C911dn
C931dn
C941dn
ES9411dn
ES9431dn
ES9541dn
Store this manual carefully close to hand so it can be viewed at any time.
1
Troubleshooting
2
Maintenance
Index

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Summary of Contents for Oki C911dn

  • Page 1 Troubleshooting User’s Manual Troubleshooting/Daily Maintenance Manual Maintenance Read for any points that are not understood, or Index for maintenance C911dn C931dn C941dn ES9411dn ES9431dn ES9541dn Store this manual carefully close to hand so it can be viewed at any time.

  • Page 2: Manual Configuration

    Step Checking the product Parts nomenclature and functions Opening the box and installing the printer Using the device to its fullest C911dn/C931dn/E9411dn/ES9431dn Set-up Guide Easy Guide (Set-up Guide) 45583101EE Rev1 Installing the device Turning ON and OFF the power supply 91.6 kg...

  • Page 3: Reading The Manual

    Reading the Manual Symbols Note z These are cautions and restrictions for the correct operation of the printer. Make sure to read to avoid misoperation. Memo z Knowledge of the information before using the printer is useful and can act as a reference. Reading is recommended. Reference z These are the reference pages.

  • Page 4: Illustrations

    Illustrations Screens The printer illustrations used herein show the The images of the control panel and PC used C931 model unless otherwise specified. herein are examples. The images may differ from actual products and screens. Illustrations may differ from the actual product. - 4 -...

  • Page 5: Inscriptions

    Inscriptions The following inscriptions are used in this manual. ⿟ C911dn → C911 ⿟ C931dn → C931 ⿟ C941dn → C941 ⿟ ES9411dn → ES9411 ⿟ ES9431dn → ES9431 ⿟ ES9541dn → ES9541 ⿟ Microsoft ® ® Windows 7 64-bit Edition operating system → Windows 7 (64-bit Edition) ®...

  • Page 6: Table Of Contents

    Contents Manual Configuration ................2 Reading the Manual ................3 Symbols ........................3 Keys, Buttons, and Symbols..................3 Illustrations ......................4 Screens........................4 Inscriptions ......................5 Troubleshooting ..............9 Troubleshooting solutions procedure ..........10 Paper jams ..................11 Checking messages (if a paper jam occurs) ............11 Removing jammed paper ..................
  • Page 7 Transporting and moving the device ..........86 When moving the device ..................86 Transporting the device ..................86 Index ..................87 - 7 -...
  • Page 8 - 8 -...

  • Page 9: Troubleshooting

    Troubleshooting Troubleshooting solutions procedure … 10 Paper jams …………………………………… 11 When a message related to paper appears ………………………………………… 31 When a message related to replacement of consumables appears ………………… 33 When some other message appears … 35 Printing Troubles …………………………… 40 - 9 -...

  • Page 10: Troubleshooting Solutions Procedure

    Troubleshooting solutions procedure Troubleshooting solutions procedure This chapter describes the procedure for solving the problems occurred while using the printer. If you are unable to solve the problem with this procedure, contact the designated customer service center. Is error message or error code displayed on the control panel? If it is displayed If it is not displayed When there is a display of paper jam, refer...

  • Page 11: Paper Jams

    Paper jams Paper jams This section describes the procedure when a paper is jammed inside the printer, or when paper is remaining inside the printer even after removing it. Checking messages (if a paper jam occurs) When a paper is jammed inside the printer, or when paper is remaining inside the printer even after removing it, a message notifying paper jam will appear on the liquid crystal panel of the operation panel, and the <ATTENTION>...

  • Page 12: Error Code

    Paper jams Error code Message displayed on the liquid crystal Location of displayed after Reference Category panel paper jam pressing the pages [HELP] button Paper jam has occurred Paper jam in 380, 390 page 14 Open Right Side Cover the vicinity Please see HELP for details of Right Side Cover...
  • Page 13 Paper jams „ Operating the Help screen Press the scroll button The next page will appear, and Pressing the [HELP] button in the operation panel solution procedure for paper jam will display the solution method. You can easily remove the paper according to the guidance. and corresponding animation will be displayed.

  • Page 14: Removing Jammed Paper

    Paper jams Removing jammed paper Slowly remove the remaining paper. Removing paper jam in the vicinity of Right Side Cover „ Error code: 380, 390, 637 If paper is set in the MP tray, remove it and close the tray. Close the right side cover.
  • Page 15 Paper jams Removing paper jam in the Match the paper guide with the paper. output unit „ Error code: 381, 638, 639 CAUTION There is a risk of burns. Work carefully as the temperature of fuser unit is high. Ensure to hold the handle when lifting. When it is hot, wait until it cools down before starting the work.
  • Page 16 Paper jams Check inside of the printer, and slowly Push down the fuser unit's jam release remove the remaining paper. lever (blue). If there is remaining paper in the fuser If there is no remaining paper in the unit then pull up the fuser unit's jam fuser unit then pull up the fuser unit's release lever (blue).
  • Page 17 Paper jams Remove the remaining paper. If paper is set in the MP tray, remove it and close the tray. Hold the fuser unit handle with both hands, and set to the output unit. Lift the opening( ), and open the right side cover.
  • Page 18 Paper jams Slowly remove the remaining paper. Match the paper guide with the paper. Close the right side cover. Set the print side for the removed paper to face up. Open the MP tray. Put the output unit back into the printer. - 18 -...
  • Page 19 Paper jams Removing paper jam in the If there is remaining paper in the fuser unit then pull up the fuser unit's jam vicinity of the output unit release lever (blue). „ Error code: 382, 383, 389 CAUTION There is a risk of burns. Work carefully as temperature of fuser unit is high.
  • Page 20 Paper jams If there is no remaining paper in the Hold the fuser unit handle with both fuser unit then pull up the fuser unit's hands, and set to the output unit. lock lever (blue). Push down the fuser unit's lock lever Hold the fuser unit handle with both (blue).

  • Page 21: Printing Unit

    Paper jams „ Removing paper from the 2-Sided Put the 2-Sided Printing unit back into the printer. Printing unit Pull out the 2-Sided Printing unit, lift it up a little with both hands, and remove Note z Do not pull the 2-Sided Printing unit out in one shot. 2-Sided Printing unit may fall down if you pull it out in one shot, which may damage it.
  • Page 22 Paper jams Removing paper from the vicinity Close the Tray 1 side cover. of Right Side Cover „ Error code: 391, 392, 393, 394, 395, 631, 632, 633, 634, 635 Example) In the case of Tray 1 Open the tray side cover where the error is displayed.
  • Page 23 Paper jams Removing paper from the vicinity Put the 2-Sided Printing unit back into the printer. of the 2-Sided Printing unit „ Error code: 370, 371, 373, 640, 641, 642 Pull out the 2-Sided Printing unit, lift it up a little with both hands, and remove When you cannot see the jammed paper in the 2-Sided Printing unit inside the printer, put the 2-Sided Printing unit...
  • Page 24 Paper jams Lift opener ( ) of the output unit, and If the paper tip is not visible, pull up pull out the output unit. the fuser unit's lock lever (blue). Hold the fuser unit handle with both hands, and remove it onto a flat surface.
  • Page 25 Paper jams Hold the knob, pull up the transfer roller Close the cover, push down the transfer unit, lift the paper guide, and remove roller unit. the remaining paper. Hold the fuser unit handle with both hands, and set to the output unit. - 25 -...
  • Page 26 Paper jams Removing paper from the Push down the fuser unit's lock lever (blue). vicinity of the lower side of 2-Sided Printing unit „ Error code: 375, 650 Pull out the 2-Sided Printing unit, lift it up a little with both hands, and remove Put the output unit back into the printer.
  • Page 27 Paper jams Put the 2-Sided Printing unit back into Lift opener ( ) of the output unit, and the printer. remove the remaining paper. If no paper remains in visible locations in the printer, follow the procedure given below. - 27 -...
  • Page 28 Paper jams If the paper tip is not visible, pull up Hold the knob, pull up the transfer roller the fuser unit's lock lever (blue). unit, lift the paper guide, and remove the remaining paper. Hold the fuser unit handle with both hands, and remove it onto a flat surface.
  • Page 29 Paper jams Close the cover, push down the transfer Put the output unit back into the printer. roller unit. Hold the fuser unit handle with both hands, and set to the output unit. Push down the fuser unit's lock lever (blue).
  • Page 30 Paper jams Removing paper from the „ When paper jam occurs frequently vicinity of Left Side Cover Check the following when paper jam occurs very frequently. „ Error code: 384, 651 z Is the feeding paper roller dirty? (“Cleaning feed rollers”(P.83)) Open the left side cover.

  • Page 31: When A Message Related To Paper Appears

    When a message related to paper appears When a message related to paper appears When paper type/size set in the printer tray differs from the printer driver specification, message such as "Replace paper" and "Paper size error has occurred" will appear, and the <ATTENTION> lamp will blink.
  • Page 32 When a message related to paper appears Message displayed on the Error <ATTENTION> Category Causes and Troubleshooting liquid crystal panel code lamp Paper size Remove Excess Paper Blinking Paper set in the tray shown exceeds Error Reduce the quantity of paper the maximum limit.

  • Page 33: When A Message Related To Replacement Of Consumables Appears

    When a message related to replacement of consumables appears When a message related to replacement of consumables appears When timing for replacement of consumables and maintenance items approaches, or when the replacement becomes necessary, message such as "Time for replacing ABC is approaching" and "ABC is empty / Replace ABC"...
  • Page 34 When a message related to replacement of consumables appears Message displayed on the Error <ATTENTION> Causes and Reference Category liquid crystal panel code lamp Troubleshooting pages Image Printing has been stopped 6800 Blinking The lifespan of the image drum page 57 Drum because the lifespan of the 6801...

  • Page 35: When Some Other Message Appears

    When some other message appears When some other message appears Other messages and error codes, cause of errors and their resolutions, and status of the <ATTENTION> lamp are described below. Besides, when "Please see HELP for details" is shown in the message, pressing the [HELP] button in the operation panel will show the solution procedure, and you can easily solve the problem according to the guidance.
  • Page 36 When some other message appears Message displayed on the Error <ATTENTION> Causes and Reference Index liquid crystal panel code lamp Troubleshooting pages Japanese [Cover] Opent Blinking The cover shown in the message “k” column is open. Please see HELP for details Close the cover.
  • Page 37 When some other message appears Message displayed on the Error <ATTENTION> Causes and Reference Index liquid crystal panel code lamp Troubleshooting pages Japanese Incompatible [COLOR] Toner 5540 Blinking Toner cartridge is not intended for 5541 "k" column Please see HELP for details use with this printer model.
  • Page 38 When some other message appears Message displayed on the Error <ATTENTION> Causes and Reference Index liquid crystal panel code lamp Troubleshooting pages Japanese Check Data Failed to write the message data “t” column Message Data Write Error to be updated. Check data. <[CODE]>...
  • Page 39 When some other message appears Message displayed on the Error <ATTENTION> Causes and Reference Index liquid crystal panel code lamp Troubleshooting pages Japanese The toner replacement cover is Blinking The toner replacement cover is “t” column open open. Check that the toner cartridge is Please see HELP for details pushed in firmly as far as it can go, and close the toner cover.

  • Page 40: Printing Troubles

    Printing Troubles Printing Troubles This section describes the possible troubles that may occur while operating the printer, and their solution procedure. Memo z If the problem is not solved using the following methods, contact your designated customer service centre. z For problems arising from the applications, contact the application development company. Unable to print Basic reasons „...

  • Page 41: Network Connection Problems

    Advanced and IP address of the printer set in the computer are matching. z If you are using OKI LPR Utility on Windows, check IP address settings in OKI LPR Utility. z Check that IP address is not overlapping with other device.
  • Page 42 Printing Troubles Printer Troubles Memo z If the problem is not solved using the following explanation, contact your designated customer service centre. Reference Symptom Cause Troubleshooting pages Nothing is displayed in the Power supply cord is Switch off the power supply, and Basic liquid crystal panel even after disconnected.
  • Page 43 Printing Troubles Reference Symptom Cause Troubleshooting pages Print data is not sent. LAN Cable/USB Cable is Connect a new cable. damaged. Computer had timed out. Increase the length of timeout. Abnormal sound. Device is tilted. Install on a stable and a flat Basic surface.

  • Page 44: Printer Driver Malfunctions

    7. In [Devices and Printers], right click on the icon of driver you installed, and select [Printer properties] (or [OKI C9xx (*)] if installing multiple printer drivers). 8. From the list of the [Port] tab, select [USBxxx].
  • Page 45 Printing Troubles Problems concerning restrictions of OS „ Restrictions concerning Windows 7/Windows 8/Windows Vista/Windows Server 2008 R2/Windows Server 2008/Windows Server 2012 Item Symptom Causes and Troubleshooting Printer driver Help does not appear. The Help function is not supported by the PS printer driver. The "User Account When starting installer or utility, the [User Account Control] Control"...
  • Page 46 Click [Start]>[Control panel]>[Performance and maintenance]>[Administrator Tools]. Double click [Component Services], and change the access rights of components for Web Driver Installer. For setting method, refer to the [Read me] file saved in [Start]>[All Programs]>[OKI Data]>[Web Driver Installer]>[Read me]. - 46 -...

  • Page 47: Print Quality Is Poor

    Printing Troubles Print quality is poor Memo z If the problem is not solved using the following methods, contact your designated help desk. Reference Symptom Cause Troubleshooting pages White stripe in perpendicular LED head is unclean. Wipe LED head with a soft page 77 direction.
  • Page 48 Printing Troubles Reference Symptom Cause Troubleshooting pages Stripes or dots appear In the case of cycle length of Wipe it lightly with a soft tissue page 57 periodically in horizontal about 125 mm, image drum paper. direction. may be unclean or there may If there are dents, replace the be dents on it.
  • Page 49 Printing Troubles Reference Symptom Cause Troubleshooting pages Does not print with color Low toner. Replace the toner cartridge. page 55 shades as you thought. Setting of [Black Finish] is not In the [Black Finish] of printer Advanced matching with the application. driver, select [True Black (K)] or [Composite Black (CMYK)].

  • Page 50: Paper Feed Is Poor

    Printing Troubles Paper feed is poor Memo z If the problem is not solved using the following methods, Contact your designated customer service centre. Reference Symptom Cause Troubleshooting pages Paper jam occurs frequently. Device is tilted. Install on a stable and a flat surface. Feed paper roller is dirty Clean the feed paper roller.

  • Page 51: Maintenance

    Maintenance Replacing consumables and maintenance unit ……………………………………………… 52 Maintenance of the device ……………… 77 Transporting and moving the device … 86 - 51 -...

  • Page 52: Replacing Consumables And Maintenance Unit

    Replacing consumables and maintenance unit Replacing consumables and maintenance unit This section describes the replacement method of consumables and maintenance unit and their lifespan. Consumables and maintenance unit service life Ballpark indicator of replacement of consumables and maintenance unit is as follows. z Toner cartridge (CMYK) When a regular toner cartridge is installed, it will reach its service life after printing about 10,000 copies.

  • Page 53: When The Replacement Period Is Approaching

    Replacing consumables and maintenance unit When the replacement period is approaching When the replacement period of consumables and maintenance unit approaches, the following message will appear and the <ATTENTION> lamp will blink. Replace consumables and maintenance unit when "Replace ..." appears in the message. Pressing the [HELP] button in the operation panel will display the replacement procedure.

  • Page 54: Replacing Toner Cartridges

    Replacing consumables and maintenance unit Replacing toner cartridges ARNING ● If toner is spilled on the floor, wipe it up carefully using a damp cloth to prevent the toner from scattering. ● Do not throw toner or toner cartridge in fire. Toner may fly off causing burn injury.

  • Page 55: Replacing Toner Cartridges

    Toner Cartridge Only Yellow Toner Cartridge Only Magenta Toner Cartridge Only Cyan Toner cartridge Spot Color White Only for C941dn. Can not be used in C911dn/ Toner cartridge Spot Color Clear C931dn. Replacing Toner Cartridges Remove the toner cartridge. Example) In the case of Toner Cartridge Cyan (C) Prepare a new toner cartridge.

  • Page 56: Toner Cartridges

    Replacing consumables and maintenance unit Remove the new toner cartridge from Close the toner replacement cover. its packaging, and shake it vertically and horizontally. Memo z Even after replacing the toner cartridge, if the [Replace Toner] message does not disappear, it is possible that the toner cartridge is not installed firmly.

  • Page 57: Replacing Image Drums

    Image Drum Only Magenta Image Drum Only Cyan Image drum Spot Color White Only for C941dn. Can not be used in C911dn/ Image drum Spot Color Clear C931dn. Note z Do not expose the image drum to direct sunlight or strong light (About 1,500 lux or more). Do not keep it for more than 5 minutes even under room lighting.
  • Page 58 Replacing consumables and maintenance unit Gently lift the handle (blue) upwards, Note and remove the image drum taking care z Ensure not to touch or damage the drum that your hand does not touch the drum on the lower side (green cylindrical section).

  • Page 59: Image Drums

    Replacing consumables and maintenance unit Align the image drum and arrow label Close the front cover. (red) of printer, slowly insert in the slot taking care that your hand does not touch the photoreceptor (green) below, and firmly push it inside. Memo z If Error709 appears after replacing the image drum, refer to...

  • Page 60: Replacing Belt Units And Transfer Roller Units

    Replacing consumables and maintenance unit Replacing belt units and transfer roller units „ Types of belt unit and transfer roller unit The following belt units and transfer roller units can be used with this printer. Item Belt unit New transfer roller unit is supplied with Remove the waste toner box.
  • Page 61 Replacing consumables and maintenance unit Push the center lever (blue) to the Hold the handle and pull out the belt right. unit, hold the left-right label part (blue) and remove the belt unit. Rotate the belt unit left/right lock lever knob (blue) to the left, and push the lock lever towards yourself.
  • Page 62 Replacing consumables and maintenance unit Remove belt unit. Align the new belt unit and arrow label (red) of the printer, set it in the printer, and firmly press it inside. Remove the new belt unit from its packaging. Raise the belt unit left/right lock lever, rotate the lock lever knob (blue) to the Remove stopper from the belt unit you right and lock it.
  • Page 63 Replacing consumables and maintenance unit Return the center lever (blue) to the left. ‰ [Replacing the transfer roller unit] Lift opener ( ) of the output unit, and pull out the output unit. Set the waste toner box on the printer. Pull up both tips of the transfer roller unit's lock lever (blue).
  • Page 64 Replacing consumables and maintenance unit Hold the transfer roller unit's label part Push both sides of the lock lever (blue) (blue) and remove it. down. Remove transfer roller unit. Put the output unit back into the printer. Set the new transfer roller unit to the Please support recycling of the used output unit.

  • Page 65: Replacing Fuser Units

    Replacing consumables and maintenance unit Replacing fuser units „ Types of fuser unit Following fuser units can be used with this device. Item Fuser unit Replacing fuser units Pull up the fuser unit's lock lever (blue). Prepare a new fuser unit. CAUTION There is a risk of burns.
  • Page 66 Replacing consumables and maintenance unit Remove the new fuser unit from its Please support recycling of the used packaging. fuser units. Memo z When disposing of the used fuser unit in unavoidable circumstances, put it in a plastic bag, and ensure to dispose according to the instructions provided by the local municipality.

  • Page 67: Replacing Waste Toner Boxes

    Replacing consumables and maintenance unit Replacing waste toner boxes „ Types of waste toner box The following waste toner box can be used with this device. Item Waste Toner Box Replacing waste toner boxes Remove the waste toner box from the printer.
  • Page 68 Replacing consumables and maintenance unit Remove the new waste toner box from Please support recycling of the used its packaging. toner boxes. Memo z When disposing of the used waste toner box in unavoidable circumstances, put it in a plastic bag, and ensure to dispose according to the instructions provided by the local municipality.

  • Page 69: Replacing Paper Feed Rollers

    Replacing consumables and maintenance unit Replacing paper feed rollers Rough guide of replacing paper feed rollers is about 120,000 pages for each tray. „ Types of paper feed rollers The following paper feed rollers can be used with this device. Item Paper feed roller set Paper feed roller set (for Multi-Purpose Tray)
  • Page 70 Replacing consumables and maintenance unit While expanding the claws of feed Similarly, remove the remaining two rollers ( ) in outside direction, remove paper feed rollers ( , them from the axial. Memo z When the feed rollers are dark and not visible, open the right side cover (“Removing paper jam in the vicinity of Right Side...
  • Page 71 Replacing consumables and maintenance unit Insert the new feed rollers ( ) in the axial, and firmly insert up to inside. Similarly, insert the remaining two paper feed rollers ( , Check that no paper feed roller is missing. - 71 -...
  • Page 72 Replacing consumables and maintenance unit Replacing the paper feed Install Tray 1. rollers and separator of Multi- Purpose Tray There are three types of paper feed rollers. Center is white With gear Tip of the center is black Items to be prepared: Paper feed rollers 2 nos., separation roller 1 no., separator 1 no.
  • Page 73 Replacing consumables and maintenance unit Lift the opening( ), and open the right While expanding the claws of feed side cover. rollers ( ) in outside direction, remove them from the axial. - 73 -...
  • Page 74 Replacing consumables and maintenance unit Lift Section A, release the claws in the Pinch the claws (two places) and direction shown in figure, and remove remove the separator ( ). Open the paper feed rollers ( ). Section B, and remove the separation rollers ( ).
  • Page 75 Replacing consumables and maintenance unit Firmly insert the new separation roller Insert the new feed rollers ( ) in the ( ) along the notch, and mount the axial, and firmly insert up to inside separator ( ). while rotating them. Check that no paper feed roller is missing.

  • Page 76: Paper Feed Rollers

    Replacing consumables and maintenance unit Please support recycling of the used paper feed rollers. Memo z When disposing of the used paper feed rollers in unavoidable circumstances, put them in a plastic bag, and ensure to dispose according to the instructions provided by the local municipality.

  • Page 77: Maintenance Of The Device

    Maintenance of the device Maintenance of the device This section describes the cleaning method of the respective part of the device. Cleaning printer surfaces Cleaning LED heads Items to be prepared: Water or neutral washing Clean LED head when there are stripes or white agent, soft and dry cotton cloth 2 pieces creases on the print, or when letters are blurred.
  • Page 78 Maintenance of the device Open the front cover. Note z Ensure not to touch or damage the drum Gently lift the handle (blue) upwards, and remove the photoreceptor from the lower side taking care that your hand does not touch the drum on the lower side (green cylindrical section).
  • Page 79 Maintenance of the device Remove the waste toner box from the Push the center lever (blue) to the printer. right. Rotate the belt unit left/right lock lever knob (blue) to the left, and push the lock lever towards yourself. - 79 -...
  • Page 80 Maintenance of the device Hold the handle and pull out the belt Gently wipe the surface of LED head unit, hold the left-right label part (blue) with a soft tissue paper. and remove the belt unit. Note z Agents such as methyl alcohol and thinner will damage the LED head, so please do not use them.
  • Page 81 Maintenance of the device Raise the belt unit left/right lock lever, Set the waste toner box on the printer. rotate the lock lever knob (blue) to the right and lock it. Return the center lever (blue) to the left. - 81 -...
  • Page 82 Maintenance of the device Align the image drum and arrow label Close the front cover. (red) of printer, slowly insert in the slot taking care that your hand does not touch the photoreceptor (green) below, and firmly push it inside. Note z Ensure not to touch or damage the drum Similarly, install all image drums.

  • Page 83: Cleaning Feed Rollers

    Maintenance of the device Pull out Tray 1. Cleaning feed rollers When paper jam occurs frequently, clean the paper feed rollers. Items to be prepared: Soft cotton cloth dipped in water Cleaning paper feed rollers of Tray 1 to Tray 5 Example) When cleaning the paper feed roller of Tray 1 Remove wrist watch, bracelet, etc.
  • Page 84 Maintenance of the device Cleaning the paper feed rollers Lift the opener ( ), and open the right side cover. of Multi-Purpose Tray Press and hold the power switch for approximately 1s to switch off the power supply. Check that the operation panel is completely turned off, and then switch off the main power supply.
  • Page 85 Maintenance of the device While expanding the claws of feed Wipe off the dirt on paper feed rollers (2 rollers ( ) in outside direction, remove places) and on separator with the moist them from the axial. soft cloth. Insert the feed rollers ( ) in the axial, and firmly insert up to inside while rotating them.

  • Page 86: Transporting And Moving The Device

    Transporting and moving the device Transporting and moving the device This section describes about transporting or moving the device. When moving the device Transporting the device CAUTION CAUTION There is a risk of injury. There is a risk of injury. The printer weighs approx.

  • Page 87: Index

    Index - 87 -...
  • Page 88 2-Sided Printing Unit (lower side) ..21, 23, 26 Other troubles ..........40 Blurred print ........47 Belt unit ......... 52, 53, 60 Operation of the device ....... 42 Paper feeding ........50 Check ............11 When displayed ........11 Paper feed roller ......52, 53, 69, 83 Cleaning ............77 Paper jam..........11 Front side of the device .......
  • Page 89 USB connection ..........40 Basic cause ........47 Paper feeding ........44 Power outage ........40 Print quality ........40 Printer driver ..........41 Right side cover ........50 Waste toner box ......52, 53, 67 - 89 -...
  • Page 90 Oki Data Corporation 4-11-22 Shibaura, Minato-ku,Tokyo 108-8551, Japan www.okiprintingsolutions.com 45582802EE 02EE Rev1...

This manual is also suitable for:

C931dnC941dnEs9411dnEs9431dnEs9541dn

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