Oki C911, C931, C941, C942, ES9411 User's Manual Troubleshooting/Daily Maintenance Manual

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Troubleshooting

User’s Manual

Troubleshooting/Daily

Maintenance

Maintenance Manual

Read for any points that are not understood, or for maintenance

Index

C911 C931 C941 C942 ES9411 ES9431 ES9541 ES9542 Pro9431 Pro9541 Pro9542

Manual Conguration

The following user manuals are enclosed with the product.

The e-manual is stored as software on DVD-ROM.

Step

Read this first

Opening the box and installing the printer

Set-up Guide

This guide uses illustrations to explain the methods from opening the box to installation. For the advanced setup guide, see the "Basic".

Preparing the printer to print

Basic

This guide describes the precautions for safe use of the device. Make sure to read before use. Further, basic uses from the device installation methods to initial printing are also explained. The device functions are described in the appendix.

• Checking the product

• Parts nomenclature and functions

• Using the device to its fullest

• Installing the device

• Turning ON and OFF the power supply

• Test printing using the printer only

• Connecting to a PC

• Paper

• Printing

• Paper ejection

• Setting Power Save mode

• Setting auto power OFF

• Checking the print quantity,

consumables, remaining maintenance

unit quantity, and remaining service life

• Cancelling a print job

• Adding printers using LPD protocols

(TCP/IP)

• Table of control panel menu items

• Basic Windows procedures

• Printer specifications

Step

Read these guides as necessary

Try using various functions

Advanced

This guide explains the various paper print methods and how to use useful functions. Read to optimize the printing environment or to adjust the color, etc., using the enclosed utility software. Further, this guide also explains the items that can be set from the control panel, and the network settings.

Read for any points that are not understood, or for maintenance

Troubleshooting/Daily Maintenance Manual (This manual)

This manual explains the procedures for paper jams, and troubleshooting method if an error message is displayed. This manual also explains daily maintenance such as now to replace consumables and maintenance units, and cleaning, etc.

Using C941/C942/ES9541/ES9542/Pro9541/Pro9542

Separate Volume Spot Color Guide

This guide explains how to set up the Spot Color kit and check the printer drivers, and how to print using Spot Color. Make sure to read before use.

• Useful print functions

• Adjusting the color

• Using utility software

• Network settings

•

Checking and changing printer settings using the control panel

• Troubleshooting

• Maintenance

• Consumables, maintenance products,

options, color management server, etc.

• Setting the Spot Color kit

• Control panel explanation

• Checking the printer drivers

• Table of printer driver functions

• Printing on color paper

• Printing on transparent film

• Specifying and printing Spot Color

toner using the applications

• Fine-tuning white

• Switching Spot Color kits

- 2 -

ARNING

CAUTION

Reading the Manual

Symbols

Note

These are cautions and restrictions for the correct operation of the device. Make sure to read to avoid misoperation.

Memo

Knowledge of the information before using the device is useful and can act as a reference. Reading is recommended.

Reference

These are the reference pages. Read to learn detailed information and relevant information.

Mishandling due to ignoring this display may cause death or serious injury.

Mishandling due to ignoring this display may cause personal injury.

Keys, Buttons, and Symbols

This chapter described the following keys, buttons, and symbols.

Inscription Description

The control panel buttons and 10-key pad are described below.

E.g.:

[OK] button [BACK] button

[ ] button/key

[Fn] key [CLEAR] key

Indicates your PC keyboard.

Describes the menu name on the liquid crystal panel.

[ ]

" "

> Describes the menu level of the printer or PC.

Describes the PC menus, windows, and dialog box names.

Describes the messages and input text displayed in the liquid crystal

panel.

Describes the le and screen names on the PC.

Describes the reference title.

- 3 -

Illustrations

Screens

The printer illustrations used herein show the

C931 model unless otherwise specied.

Illustrations may differ from the actual product.

The images of the control panel and PC used herein are examples. The images may differ from actual products and screens.

- 4 -

Inscriptions

The following inscriptions are used in this manual.

C911dn → C911

C931dn → C931

C941dn → C941

C942dn → C942

ES9411dn → ES9411

ES9431dn → ES9431

ES9541dn → ES9541

Microsoft

Mac OS X10.3.9 or later → Mac OS X

The manuals enclosed with the printer use as examples Windows 7 in the case of Windows, and OS X

10.8 in the case of Mac OS X unless otherwise specied.

Depending on the OS and model used, descriptions in this manual may differ.

Windows® 7 64-bit Edition operating system → Windows 7 (64-bit Edition)

Windows® 7 operating system → Windows 7

- 5 -

Contents

Manual Conguration ........................................................................... 2

Reading the Manual

Symbols .................................................................................................................. 3

Keys, Buttons, and Symbols....................................................................................3

Illustrations

Screens...................................................................................................................4

Inscriptions

............................................................................................................ 4

............................................................................................................ 5

............................................................................. 3

1 Troubleshooting ................................................................... 9

Troubleshooting solutions procedure ................................................. 10

Paper jams

Checking messages (if a paper jam occurs) .......................................................... 11

Removing jammed paper

If paper messages are displayed ....................................................... 36

If replace consumables messages are displayed

If other messages are displayed

Printing Troubles

Unable to print ..................................................................................................... 46

........................................................................................ 11

...................................................................................... 14

............................... 38

....................................................... 40

............................................................................... 46

Printer driver malfunctions

Print quality is poor

Paper feed is poor

When image disturbance occurs

Adjusting the print result

.............................................................................................. 52

................................................................................................ 57

................................................................................... 50

........................................................................... 58

..................................................................................... 58

2 Maintenance ...................................................................... 59

Replacing consumables and maintenance unit ................................... 60

Consumables and maintenance unit service life ...................................................60

When the replacement period is approaching

Replacing toner cartridges.................................................................................... 63

Replacing Image Drums

Replacing belt units and transfer roller units

Replacing fuser units

Replacing waste toner boxes

Replacing paper feed rollers

....................................................................................... 66

............................................................................................ 75

................................................................................ 77

................................................................................. 79

Device Maintenance ........................................................................... 87

Cleaning device surfaces ...................................................................................... 87

....................................................... 62

........................................................ 69

Cleaning LED heads

Cleaning feed rollers

.............................................................................................. 87

............................................................................................. 93

- 6 -

Cleaning the Transfer Roller Unit and Paper Transfer Path ................................... 96

Cleaning the Pinch Roller

...................................................................................... 99

Moving and shipping the device ...................................................... 100

Moving the device ............................................................................................. 100

Shipping the device

.......................................................................................... 100

Index .................................................................................... 102

- 7 -

Memo



- 8 -

Troubleshooting

Troubleshooting solutions procedure … 10

Troubleshooting

Paper jams

If paper messages are displayed

If replace consumables messages are displayed

If other messages are displayed

Printing Troubles

……………………………………… 11

……… 36

………………………………… 38

………40

…………………………… 46

IndexMaintenance

- 9 -

Troubleshooting solutions procedure

This chapter describes the procedure for solving the problems occurred while using the printer.

Troubleshooting

If you are unable to solve the problem with this procedure, contact your dealer.

Is error message or error code displayed on the control panel?

If it is displayed If it is not displayed

to the page 11 and solve it.

timing or service life of consumables and maintenance items, refer to the page 60 and solve it.

refer to the page 36 and solve it.

IndexMaintenance

Call your designated help desk.

When there is a display of paper jam, refer

When there is a display of replacement

When there is a display of other errors,

When you cannot solve

Record the error message displayed on the control panel.

In the even to trouble refer to the

following pages for solution.

zUnable to print: page 46

zPrinter drivers cannot be installed: page 50

zUnable to print with ne quality: page 52

zAbnormal paper feeding: page 57

- 10 -

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> lamp will blink.

When "Please see HELP for details" is shown in the message, pressing the [HELP] button in the operation panel will show the troubleshooting procedure, and you can easily solve the process according to the guidance. For details, refer to “Operating the Help screen”(P.13).

Troubleshooting

IndexMaintenance

[HELP] button

Liquid crystal panel

<ATTENTION> lamp

The following table shows the messages. Check the message, and remove the jammed paper according to the procedure described in the reference.

- 11 -

Paper jams

Removing jammed paper

Removing paper jam in the

Troubleshooting

vicinity of Right Side Cover

Error code: 380, 390, 637



If paper is set in the MP tray, remove it

IndexMaintenance

and close the tray.

Slowly remove the remaining paper.

Close the right side cover.

Lift the opening( ), and open the right

side cover.

Open the MP tray.

- 14 -

Paper jams

CAUTION

Pull the set lever ( ) on the right side

of the paper supporter ( ) towards yourself.

Set the print side for the removed

paper to face up.

Removing paper jam in the exit unit

Error code: 381, 638, 639



Possible to get burned.

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.

Lift opener ( ) of the exit unit, and pull

out the exit unit.

Troubleshooting

IndexMaintenance

Match the paper guide with the paper.

- 15 -

Paper jams

Troubleshooting

IndexMaintenance

Check inside of the printer, and slowly remove the remaining paper.

If there is remaining paper in the fuser unit then pull up the fuser unit's jam release lever (blue).

Push down the fuser unit's jam release

lever (blue).

If there is no remaining paper in the

fuser unit then pull up the fuser unit's lock lever (blue).

Ensure to slowly pull the remaining

paper towards the printer body (opposite to the paper feeding direction).

Hold the fuser unit handle with both

hands, and remove it onto a at

surface.

- 16 -

Paper jams

Raise the jam release lever of the fuser

unit.

Remove the remaining paper.

If the paper winds around the decal roller, remove the decal unit by turning the

thumbscrews at both ends of the decal unit to the left, and remove the paper.

Note

Be careful not to drop the thumbscrew into the

device when removing.

Troubleshooting

IndexMaintenance

- 17 -

Paper jams

Troubleshooting

IndexMaintenance

Return the decal unit to its original

position, and x it with two

thumbscrews.

Note

Be careful not to drop the thumbscrew into the

device when xing.

Push down the fuser unit's lock lever

(blue).

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.

- 18 -

Paper jams

Lift the opener ( ), and open the right

side cover.

Close the right side cover.

Troubleshooting

Open the MP tray.

IndexMaintenance

Slowly remove the remaining paper.

Pull the set leve ( ) on the right side

of the paper supporter ( ) towards yourself.

- 19 -

Paper jams

CAUTION

Troubleshooting

IndexMaintenance

Match the paper guide with the paper.

Set the print side for the removed paper to face up.

Removing paper jam in the vicinity of the fuser unit

Error code: 382, 383, 389



Possible to get burned.

Work carefully as 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.

Lift opener ( ) of the exit unit, and pull

out the exit unit.

When you cannot see the jammed paper, return the exit unit to the printer, and go to “Removing paper from the

2-Sided Printing unit”(P.23).

Put the output unit back into the printer.

- 20 -

Paper jams

If there is remaining paper in the fuser

unit then pull up the fuser unit's jam release lever (blue).

Ensure to slowly pull the remaining

paper towards the printer body (opposite to the paper feeding direction).

If there is no remaining paper in the

fuser unit then pull up the fuser unit's lock lever (blue).

Hold the fuser unit handle with both

hands, and remove it onto a at

surface.

Troubleshooting

IndexMaintenance

Push down the fuser unit's jam release

lever (blue).

If a paper jam occurred in the fuser

unit, raise the jam release lever (blue), and slowly pull the paper out in the opposite direction from the paper operation direction.

- 21 -

Paper jams

Troubleshooting

IndexMaintenance

If the paper winds around the decal roller, remove the decal unit by turning the thumbscrews at both ends of the decal unit to the left, and remove the paper.

Note

Be careful not to drop the thumbscrew into the

device when xing.

Return the decal unit to its original

position, and x it with two

thumbscrews.

Note

Be careful not to drop the thumbscrew into the

device when removing.

- 22 -

Hold the fuser unit handle with both

hands, and set to the exit unit.

Paper jams

Push down the fuser unit's lock lever

(blue).

Put the exit unit back into the printer.

Removing paper from the 2-Sided



Printing unit

Pull out the 2-Sided Printing unit, lift it

up a little with both hands, and remove it.

Note

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.

Troubleshooting

IndexMaintenance

Remove the remaining paper.

- 23 -

Paper jams

Troubleshooting

IndexMaintenance

Put the 2-Sided Printing unit back into the printer.

Removing paper from the vicinity of Tray 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.

- 24 -

Remove the remaining paper.

Paper jams

Close the Tray 1 side cover.

Removing paper from the vicinity 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 it.

When you cannot see the jammed paper in the 2-Sided Printing unit inside the printer, put the 2-Sided Printing unit back into the printer and go to Step 4.

Troubleshooting

IndexMaintenance

Remove the remaining paper.

- 25 -

Paper jams

Troubleshooting

IndexMaintenance

Put the 2-Sided Printing unit back into the printer.

Lift opener ( ) of the exit unit, and pull

out the exit unit.

Check inside of the printer, and slowly

remove the remaining paper.

- 26 -

Paper jams

If the paper tip is not visible, pull up

the fuser unit's lock lever (blue).

Hold the fuser unit handle with both

hands, and remove it onto a at

surface.

If the paper winds around the decal roller,

remove the decal unit by turning the thumbscrews at both ends of the decal unit to the left, and remove the paper.

Note

Be careful not to drop the thumbscrew into the

device when removing.

Troubleshooting

IndexMaintenance

- 27 -

Paper jams

Troubleshooting

IndexMaintenance

Return the decal unit to its original

position, and x it with two

thumbscrews.

Note

Be careful not to drop the thumbscrew into the

device when xing.

Hold the knob, pull up the transfer roller

unit, lift the paper guide, and remove the remaining paper.

- 28 -

Paper jams

Hold the knob, push down the transfer

roller unit.

Hold the fuser unit handle with both

hands, and set to the exit unit.

Push down the fuser unit's lock lever

(blue).

Put the exit unit back into the printer.

Troubleshooting

IndexMaintenance

- 29 -

Paper jams

Removing paper from the vicinity of the lower side of

2-Sided Printing unit

Troubleshooting

Error code: 375, 650



Pull out the 2-Sided Printing unit, lift it

up a little with both hands, and remove it.

IndexMaintenance

Put the 2-Sided Printing unit back into

the printer.

Remove the remaining paper from the

printer.

If no paper remains in visible locations in the printer, follow the procedure given below.

- 30 -

+ 75 hidden pages

Oki C911, C931, C941, C942, ES9411 User's Manual Troubleshooting/Daily Maintenance Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Reading the Manual

Symbols

Keys, Buttons, and Symbols

Illustrations

Screens

Inscriptions

Troubleshooting

Troubleshooting solutions procedure

Paper jams

Checking messages (if a paper jam occurs)

Removing jammed paper