Oki ES9476 MFP User manual

MULTIFUNCTIONAL DIGITAL COLOR SYSTEMS
Hardware Troubleshooting
Guide
ES9466 MFP/ES9476 MFP

©2016 Oki Data Corporation All rights reserved
Under the copyright laws, this manual cannot be reproduced in any form without prior written permission of Oki Data.

Preface 3
Preface
Thank you for purchasing OKI Multifunctional Digital Systems. This manual describes how to troubleshoot the
problems that could occur while you are using the equipment. Keep this manual within easy reach, and use it to
configure an environment that makes the best use of the OKI MFP’s functions.
How to read this manual
Symbols in this manual
In this manual, some important items are described with the symbols shown below. Be sure to read these items
before using this equipment.
Target audience for this manual
This is a manual that is aimed at general users and administrators.
Options
For the available options, refer to the Quick Start Guide for this equipment.
Screens in this manual
The details on the screens may differ depending on your model and how the equipment is used, such as the status
of the installed options, the OS version and the applications.
The illustration screens used in this manual are for paper in the A/B format. If you use paper in the LT format, the
display or the order of buttons in the illustrations may differ from that of your equipment.
Abbreviations in this manual
In this manual, “Dual Scan Document Feeder” is referred to as “DSDF” and “Reversing Automatic Document Feeder”
as “RADF”, and they are collectively referred to as “Automatic Document Feeder” (ADF).
Trademarks
For trademarks, refer to the Safety Information.
This equipment provides the scanning/printing function as an option. However, this optional scanning/printing
function is already installed in some models.
Indicates a potentially hazardous situation which, if not avoided, could result in death, serious
injury, or serious damage, or fire in the equipment or surrounding objects.
Indicates a potentially hazardous situation which, if not avoided, may result in minor or
moderate injury, partial damage to the equipment or surrounding objects, or loss of data.
Indicates information to which you should pay attention when operating the equipment.
Describes handy information that is useful to know when operating the equipment.
Pages describing items related to what you are currently doing. See these pages as required.

4 Preface

CONTENTS 5
CONTENTS
Preface................................................................................................................................................. 3
How to read this manual ............................................................................................................................................ 3
Chapter 1 TROUBLESHOOTING FOR THE HARDWARE
When This Screen Is Displayed................................................................................................................ 9
Messages Displayed on the Touch Panel ................................................................................................ 13
Clearing a Paper Jam........................................................................................................................... 18
Locating a paper jam ................................................................................................................................................. 18
Clearing a paper jam.................................................................................................................................................. 19
ADF.............................................................................................................................................................................. 21
Tray feeding portion .................................................................................................................................................. 27
Large Capacity Feeder ............................................................................................................................................... 28
Paper Feed Pedestal .................................................................................................................................................. 28
Trays ........................................................................................................................................................................... 29
Envelope Tray ............................................................................................................................................................ 30
Large Capacity Feeder ............................................................................................................................................... 30
MPT ............................................................................................................................................................................. 31
Automatic duplexing unit.......................................................................................................................................... 32
Paper transport path ................................................................................................................................................. 33
Fuser unit.................................................................................................................................................................... 34
Bridge Kit.................................................................................................................................................................... 36
Finisher and Hole Punch Unit.................................................................................................................................... 36
Saddle Stitch Finisher and Hole Punch Unit............................................................................................................. 42
Saddle Stitch unit of the Saddle Stitch Finisher....................................................................................................... 46
Inner Finisher and Hole Punch Unit .......................................................................................................................... 52
Clearing paper jams caused by a wrong paper size setting..................................................................................... 55
Clearing a Staple Jam .......................................................................................................................... 60
Finisher....................................................................................................................................................................... 60
Saddle Stitch unit ...................................................................................................................................................... 65
Replacing a Toner Cartridge ................................................................................................................. 67
Replacing a “Near Empty” toner cartridge ............................................................................................................... 69
Replacing the Waste Toner Box............................................................................................................. 72
Refilling With Staples .......................................................................................................................... 74
Finisher....................................................................................................................................................................... 74
Saddle Stitch unit ...................................................................................................................................................... 77
Cleaning the Inside of the Equipment.................................................................................................... 80
The Main Chargers and Slit Glass .............................................................................................................................. 80
Cleaning the Hole Punch Dust Bin ......................................................................................................... 84
Finisher / Saddle Stitch Finisher Hole Punch Unit ................................................................................................... 84
Inner Finisher Hole Punch Unit ................................................................................................................................. 84
When Printed Sheets Overflow from the Stacker.................................................................................... 87
Chapter 2 WHEN SOMETHING IS WRONG WITH THE EQUIPMENT
When You Think Something Is Wrong With the Equipment ...................................................................... 90
General operations .................................................................................................................................................... 90
Originals and paper ................................................................................................................................................... 91
Regular Maintenance........................................................................................................................... 93
INDEX .......................................................................................................................................................... 95

6 CONTENTS

1.TROUBLESHOOTING FOR THE HARDWARE
This chapter describes how to troubleshoot problems with paper, toner and other finishing processes.
This chapter also describes how to supply the paper, toner and staples.
When This Screen Is Displayed.............................................................................................9
Messages Displayed on the Touch Panel .............................................................................13
Clearing a Paper Jam ........................................................................................................18
Locating a paper jam ...........................................................................................................................................18
Clearing a paper jam............................................................................................................................................19
ADF........................................................................................................................................................................21
Tray feeding portion ............................................................................................................................................27
Large Capacity Feeder .........................................................................................................................................28
Paper Feed Pedestal ............................................................................................................................................28
Trays .....................................................................................................................................................................29
Envelope Tray ......................................................................................................................................................30
Large Capacity Feeder .........................................................................................................................................30
MPT .......................................................................................................................................................................31
Automatic duplexing unit....................................................................................................................................32
Paper transport path ...........................................................................................................................................33
Fuser unit..............................................................................................................................................................34
Bridge Kit..............................................................................................................................................................36
Finisher and Hole Punch Unit..............................................................................................................................36
Saddle Stitch Finisher and Hole Punch Unit.......................................................................................................42
Saddle Stitch unit of the Saddle Stitch Finisher.................................................................................................46
Inner Finisher and Hole Punch Unit ....................................................................................................................52
Clearing paper jams caused by a wrong paper size setting...............................................................................55
Clearing a Staple Jam .......................................................................................................60
Finisher.................................................................................................................................................................60
Saddle Stitch unit ................................................................................................................................................65
Replacing a Toner Cartridge ..............................................................................................67
Replacing a “Near Empty” toner cartridge .........................................................................................................69
Replacing the Waste Toner Box..........................................................................................72
Refilling With Staples........................................................................................................74
Finisher.................................................................................................................................................................74
Saddle Stitch unit ................................................................................................................................................77
Cleaning the Inside of the Equipment.................................................................................80
The Main Chargers and Slit Glass ........................................................................................................................80
Cleaning the Hole Punch Dust Bin ......................................................................................84
Finisher / Saddle Stitch Finisher Hole Punch Unit .............................................................................................84

1.TROUBLESHOOTING FOR THE HARDWARE
8
Inner Finisher Hole Punch Unit ...........................................................................................................................84
When Printed Sheets Overflow from the Stacker .................................................................87

When This Screen Is Displayed 9
TROUBLESHOOTING FOR THE HARDWARE
0.When This Screen Is Displayed
Various screens are displayed on the touch panel depending on the state of the equipment. This section describes
how to solve problems with some of the screen examples.
Screen Description / Remedy
A message appears on the upper
part of the screen to notify users of a
problem, etc. For the major
examples, see the following pages.
P.13 “Messages Displayed on the
Touch Panel”

1.TROUBLESHOOTING FOR THE HARDWARE
10 When This Screen Is Displayed
An incorrect paper size or “ ”
indicates an unsuccessful paper size
detection. In this case, check the
following items.
Check if the paper with an
unacceptable size is placed in the
tray.
For details about the acceptable
paper size, refer to the
Specifications Guide.
Check if the paper with a
non-standard size is placed in the
tray.
Press [Custom] to set the paper
size manually.
Check if there is too much space
between the paper and the side
and end guides of the tray.
Set the paper, the side guide and
the end guide to the appropriate
position again.
Check if [Auto (inch)] is selected
even though A/B format paper has
been placed. Check if [Auto (mm)]
is selected even though LT format
paper has been placed.
Press the button which
corresponds to the format of the
paper set in the tray and then set
the paper again.
If a different paper size is
displayed even though a standard
size paper has been placed, set
the paper size manually. To do so,
the change of the setting by the
administrator is required. For
details, refer to the MFP
Management Guide.
Screen Description / Remedy