Oki C911dn User manual

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

- 2 -
zManual Conguration
The following user manuals are enclosed with the product.
The e-manual is stored as software on DVD-ROM.
4
BasicDevice
Operations
Preparing theprinter
andprinting
2
SettingUp
Before
use
User'sManual
Basic
C911dn
C931dn
C941dn
ES9411dn
ES9431dn
ES9541dn
○Thismanual contains cautions on how to use this product safety.
Beforeyou use this product, please makesure that you read this manual.
○Carefullystore this manual close to hand so.
1
Appendix
Index
3
Printing
Basic
Preparing the printer to print
Try using various functions
Read for any points that are not understood, or for maintenance
Using C941/ES9541dn
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.
Read these guides as necessary
Advanced
2
Step
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.
Troubleshooting/Daily
Maintenance Manual (This manual)
This manual explains the procedures for paper and 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.
•Troubleshooting
•Maintenance
•Consumables, maintenance products,
options, color management server,
etc.
・Pamphlet
・E-format
・E-format
・Pamphlet
・E-format
Read this first
Easy Guide (Set-up Guide)
Opening the box and installing the printer
1
Step
This guide uses illustrations to explain the
methods from opening the box to installation.
For the advanced setup guide, see the "Basic".
・Pamphlet
•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
•Useful print functions
•Adjusting the color
•Using utility software
•Network settings
•
Checking and changing printer settings
using the control panel
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.
•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
・Pamphlet
・E-format
1040mm
41inch
620mm
24.4inch
200mm
7.9inch
600mm
23.6inch
91.6kg
202lb
91.6kg
202lb
45583101EERev1
2
C911dn/C931dn/E9411dn/ES9431dn Set-up Guide
1 3
4 5 6 7
8 9 10
Readfor any pointsthat
arenot understood,or
formaintenance
1
Troubleshooting
2
Maintenance
Index
User’sManual
Troubleshooting/Daily
Maintenance Manual
C911dn
C931dn
C941dn
ES9411dn
ES9431dn
ES9541dn
○Storethis manual carefully close to hand so it can be viewed at any time.
User’sManual
C941dn
ES9541dn
Separate Volume Spot Color Guide

- 3 -
zReading the Manual
Symbols
Note
zThese are cautions and restrictions for the correct operation of the printer. Make sure to read to avoid misoperation.
Memo
zKnowledge of the information before using the printer is useful and can act as a reference. Reading is recommended.
Reference
zThese are the reference pages. Read to learn detailed information and relevant information.
DANGER
zMishandling due to ignoring this display may cause death or serious injury.
W
ARNING
zMishandling due to ignoring this display may cause death or serious injury.
CAUTION
zMishandling due to ignoring this display may cause personal injury.
Keys, Buttons, and Symbols
This chapter described the following keys, buttons, and symbols.
Inscription Description
[ ] button/key
zThe control panel buttons and 10-key pad are described below.
E.g.:
[OK] button [BACK] button
[Fn] key [CLEAR] key
zIndicates your PC keyboard.
[ ]
zDescribes the menu name on the liquid crystal panel.
zDescribes the PC menus, windows, and dialog box names.
" "
zDescribes the messages and input text displayed in the liquid crystal
panel.
zDescribes the le and screen names on the PC.
zDescribes the reference title.
> Describes the menu level of the printer or PC.

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

- 5 -
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)
⿟Microsoft®Windows®7 operating system →Windows 7
⿟Mac OS X10.3.9 and above →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.

- 6 -
Contents
Manual Conguration........................................................................... 2
Reading the Manual ............................................................................. 3
Symbols.................................................................................................................. 3
Keys, Buttons, and Symbols....................................................................................3
Illustrations............................................................................................................ 4
Screens................................................................................................................... 4
Inscriptions ............................................................................................................ 5
1 Troubleshooting................................................................... 9
Troubleshooting solutions procedure................................................. 10
Paper jams ........................................................................................ 11
Checking messages (if a paper jam occurs).......................................................... 11
Removing jammed paper...................................................................................... 14
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
Unable to print ..................................................................................................... 40
Printer driver malfunctions................................................................................... 44
Print quality is poor .............................................................................................. 47
Paper feed is poor ................................................................................................ 50
2 Maintenance ...................................................................... 51
Replacing consumables and maintenance unit................................... 52
Consumables and maintenance unit service life ................................................... 52
When the replacement period is approaching....................................................... 53
Replacing toner cartridges.................................................................................... 54
Replacing Image Drums ....................................................................................... 57
Replacing belt units and transfer roller units........................................................ 60
Replacing fuser units ............................................................................................ 65
Replacing waste toner boxes ................................................................................ 67
Replacing paper feed rollers ................................................................................. 69
Maintenance of the device ................................................................. 77
Cleaning printer surfaces...................................................................................... 77
Cleaning LED heads .............................................................................................. 77
Cleaning feed rollers............................................................................................. 83

- 7 -
Transporting and moving the device .................................................. 86
When moving the device ...................................................................................... 86
Transporting the device........................................................................................ 86
Index ...................................................................................... 87

- 8 -

- 9-
Troubleshooting
1
2
IndexMaintenance
1
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

- 10 -
Troubleshooting solutions procedure
Troubleshooting
1
2
IndexMaintenance
zTroubleshooting 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.
When there is a display of paper jam, refer
to the page 11 and solve it.
When there is a display of replacement
timing or service life of consumables and
maintenance items, refer to the page 52
and solve it.
When there is a display of other errors,
refer to the page 31 and solve it.
In the even to trouble refer to the
following pages for solution.
zUnable to print: page 40
zPrinter drivers cannot be installed: page 44
zUnable to print with ne quality: page 47
zAbnormal paper feeding: page 50
Is error message or error code displayed on the control panel?
If it is displayed If it is not displayed
When you cannot solve
Record the error
message displayed on
the control panel.
Call your designated help desk.

- 11 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
zPaper 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).
[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.

- 12 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
Category
Message displayed on the liquid crystal
panel
Location of
paper jam
Error code
displayed after
pressing the
[HELP] button
Reference
pages
Paper
jam
(When a
paper is
jammed
inside
the
printer)
Paper jam has occurred
Open Right Side Cover
Please see HELP for details
Paper jam in
the vicinity
of Right Side
Cover
380, 390 page 14
Paper jam has occurred
Open [TRAY]* Side Cover
Please see HELP for details
Paper jam in
the vicinity of
tray side cover
391, 392, 393,
394, 395
page 22
Paper jam has occurred
Open Left Side Cover
Please see HELP for details
Paper jam in
the vicinity of
Left Side Cover
384 page 30
Check Exit Unit
Remove Paper
Please see HELP for details
Paper jam in
the output unit
381 page 15
There is a paper jam in the vicinity of the fuser unit
Remove Paper
Please see HELP for details
Paper jam in
the vicinity of
the fuser unit
382, 383, 389 page 19
A paper jam has occurred near the duplex unit
Remove Paper
Please see HELP for details
Paper jam in
the vicinity of
the 2-Sided
Printing unit
370, 371, 373 page 23
Check the lower side of Duplex Unit
Remove Paper
Please see HELP for details
Paper jam in
the vicinity of
the lower side
of 2-Sided
Printing unit
375 page 26
Message
does not
disappear
(When the
message
does not
disappear
even after
removing
the jammed
paper)
Paper remains in the printer
Open [COVER]*
Please see HELP for details
Paper jam in
the vicinity
of TRAY Side
Cover
631, 632, 633,
634, 635
page 22
Paper remains in the printer
Open Right Side Cover
Please see HELP for details
Paper jam in
the vicinity
of Right Side
Cover
637 page 14
There is paper remaining inside the exit unit
Remove Paper
Please see HELP for details
Paper jam in
the output unit
638, 639 page 15
Paper remains in the vicinity of 2-Sided Printing Unit
Remove Paper
Please see HELP for details
Paper jam in
the vicinity of
the 2-Sided
Printing unit
640, 641, 642 page 23
Check the lower side of Duplex Unit
Remove Paper
Please see HELP for details
Paper jam in
the vicinity of
the lower side
of 2-Sided
Printing unit
650 page 26
Check Face Down Stacker
Remove Paper
Please see HELP for details
Paper jam in
the vicinity of
Left Side Cover
651 page 30
*: Either of Tray 1 to Tray 5 will appear in [TRAY]. (Tray 2 to Tray 5 will be displayed when the option of additional tray units is
mounted.)
Either of Tray 1 Side Cover to Tray 5 Side Cover will appear in [COVER]. (Tray 2 Side Cover to Tray 5 Side Cover will be
displayed when the option of additional tray units is mounted.)

- 13 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
Operating the Help screen
Pressing the [HELP] button in the operation panel
will display the solution method. You can easily
remove the paper according to the guidance.
Example) Paper jam in the vicinity of Tray 1 Side
Cover
The following message will appear on the liquid
crystal panel, and the <ATTENTION> lamp will
blink.
1
Press the [HELP] button.
The error code will appear and the
condition of paper jam will be displayed.
2
Press the scroll button .
The next page will appear, and
solution procedure for paper jam
and corresponding animation will be
displayed.
Memo
zPress the scroll button to return to the previous
page.
3
Scroll the pages of the Help screen with
the scroll button , and remove the
paper according to the solution method
for paper jam displayed on the screen.
Removing the jammed paper will return
the display to the Standby screen and
the remaining printing will start.

- 14 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
Removing jammed paper
Removing paper jam in the
vicinity of Right Side Cover
Error code: 380, 390, 637
1
If paper is set in the MP tray, remove it
and close the tray.
2
Lift the opening( ), and open the right
side cover.
3
Slowly remove the remaining paper.
4
Close the right side cover.
5
Open the MP tray.

- 15 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
6
Match the paper guide with the paper.
7
Set the print side for the removed
paper to face up.
Removing paper jam in the
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.
1
Lift opener ( ) of the output unit, and
pull out the output unit.

- 16 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
2
Check inside of the printer, and slowly
remove the remaining paper.
3
If there is remaining paper in the fuser
unit then pull up the fuser unit's jam
release lever (blue).
4
Ensure to slowly pull the remaining
paper towards the printer body
(opposite to the paper feeding
direction).
5
Push down the fuser unit's jam release
lever (blue).
6
If there is no remaining paper in the
fuser unit then pull up the fuser unit's
lock lever (blue).
7
Hold the fuser unit handle with both
hands, and remove it onto a at
surface.

- 17 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
8
Remove the remaining paper.
9
Hold the fuser unit handle with both
hands, and set to the output unit.
10
Push down the fuser unit's lock lever
(blue).
11
If paper is set in the MP tray, remove it
and close the tray.
12
Lift the opening( ), and open the right
side cover.

- 18 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
13
Slowly remove the remaining paper.
14
Close the right side cover.
15
Open the MP tray.
16
Match the paper guide with the paper.
17
Set the print side for the removed
paper to face up.
18
Put the output unit back into the printer.

- 19 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
Removing paper jam in the
vicinity of the output unit
Error code: 382, 383, 389
CAUTION
There is a risk of burns.
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.
1
Lift opener ( ) of the output unit, and
pull out the output unit.
When you cannot see the jammed
paper, return the output unit to the
printer, and go to “Operating the Help
screen”(P.13).
2
If there is remaining paper in the fuser
unit then pull up the fuser unit's jam
release lever (blue).
3
Ensure to slowly pull the remaining
paper towards the printer body
(opposite to the paper feeding
direction).
4
Push down the fuser unit's jam release
lever (blue).

- 20 -
Paper jams
Troubleshooting
1
2
IndexMaintenance
5
If there is no remaining paper in the
fuser unit then pull up the fuser unit's
lock lever (blue).
6
Hold the fuser unit handle with both
hands, and remove it onto a at
surface.
7
Lift up the fuser unit's jam release lever
(blue), and slowly pull the paper out in
the opposite direction from the paper
operation direction.
8
Hold the fuser unit handle with both
hands, and set to the output unit.
9
Push down the fuser unit's lock lever
(blue).
10
Put the output unit back into the printer.