Oki B 6100 User manual

OKI B6100
Laser Printer
Base Engine Technical Manual
Version 1.0

NOTICE
The information in this manual is subject to change without notice.
Every effort has been made to ensure that the information in this document is complete, accu-
rate, and up-to-date. The manufacturer assumes no responsibility for the results of errors
beyond its control.
While all reasonable efforts have been made to make this document as accurate and helpful as
possible, we make no warranty of any kind, expressed or implied, as to the accuracy or com-
pleteness of the information contained herein.
Copyright © 2003 Oki Data Americas, Inc. All rights reserved.

FEDERAL COMMUNICATIONS COMMISSION NOTICE
This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protec-
tion against harmful interference in a commercial installation. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed and used in accordance with the
instruction, may cause harmful interference to radio communications. However there is no guar-
antee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of
the following measures:
• Re–orient or relocate the receiving antenna
• Increase the separation between the equipment and receiver
• Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected
• Consult the dealer or an experienced radio/television technician for help.
The user may find the following booklet prepared by the Federal
Communications Commission helpful:
“How to Identify and Resolve Radio-TV Interference Problems”. This booklet is available from
the U.S. Government Printing Office, Washington D.C. 20402, Stock No. 004-000-00345-4.
Modifications
Changes or modifications to this equipment not expressly approved
by Xerox International Partners may void the user's right to
operate the equipment.

CANADIAN NOTICE
This digital apparatus does not exceed the Class B limits for radio noise emissions from digital
apparatus set out in the Radio interference regulations of the Canadian Department of Commu-
nications.
AVIS CANADIEN
Cet appareil numerique est conforme aux limites émission de bruits radioélectriques pour les
appareils de classe B stipulés das le réglement sur le brouillage radioéletrique du Ministére des
Communcations du Canada.
EUROPEAN NOTICE
This equipment has been tested and determined to be compliant with VDE requirements for a
Class B device.
HINWEIS
Hiermit wird bescheinigt, dass der Asama Laserdrucker, in bereinstimmung mit den Betimmun-
ngen der Vfg 104ß 984 funkenstört ist.
Der Deutschen Bundespost wurde das Inverkehrbringen dieses Gertëes angqeigt und die Bere-
chtigung zur berprufung der Serie auf Einhaltung der Bestimmungen eingeräumt.
XEROX INTERNATIONAL PARTNERS

CLASS 1 LASER PRODUCT
This Laser Printer is certified to comply with laser product performance standards set by the
U.S. Department of Health and Human Services as a Class 1 laser product. This means that this
is a class of laser product that does not emit hazardous laser radiation; this is possible only
because the laser beam is totally enclosed during all modes of customer operation.
The laser and output of the laser scanning unit produces a beam that, if looked into, could
cause eye damage. Service procedures must be followed exactly a written without change.
When servicing the machine or laser module, follow the procedures specified in the manual and
there will be no hazards from the laser.
Use of Controls, adjustments, or performance of procedures other than those specified herein
may result in a hazardous radiation exposure.

Unpacking the Base Engine
Be sure to carry the Base Engine by two or more persons taking care to hold it hori-
zontally.
Be sure to take great care for persons not to hurt when carrying it.
Open the package and check the Base Engine for damage in transit.
Remove the Holder BTR from the Base Machine after unpacking procedure of Base Engine.
Removal procedure of the Holder BTR is as follows.
1. Open the
Cover Assy Front (PL1.1.9).
Take care not to give a damage to the Roll surface of the Roll Assy BTR when do the
following procedure.
Holding the Base Machine when do the following procedure.
2. Catch in the handle of the Holder BTR:L.And pull out the Holder BTR:L from the Base Machine to your
side with diagonal and upper direction.
3. Catch in the handle of the Holder BTR:R.And pull out the Holder BTR:R from the Base Machine to your
side with diagonal and upper direction.

OKI B6100 Laser Printer - Base Engine Technical Manual vii
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Contents
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix
About this Manual . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .x
Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Service Section
1. The Service Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
2. The Fault Isolation Procedure (FIP) Flowchart . . . . . . . . . . . . . . . . . . . . 2-1
3. Primary FIPs: Error Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
4. Primary FIPs: Printer Performance Problems . . . . . . . . . . . . . . . . . . . . . 4-1
5. Primary FIPs: Image Quality Problems . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
6. Secondary FIPs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1
7. Diagnostic Tool and Test Pattern Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . 7-1
8. Diagnostic Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-1
9. Adjustment Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
10. Removal and Replacement Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . 10-1
11. Locating P/J Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11-1
12. Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12-1
Technical Reference Section
13. Principles of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13-1
14. Wiring Diagrams and Signal Information . . . . . . . . . . . . . . . . . . . . . . . . 14-1
15. Printer Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15-1
Optional Equipment Technical Manuals
Option Feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TRAY-1
Envelope Feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ENV-1
Duplex . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DUP-1
Offset Catch Tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OCT-1

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OKI B6100 Laser Printer - Base Engine Technical Manual ix
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Introduction
This manual contains technical and service information for the OKI B6100 (page per minute) Laser Printer.
The information is based on and validated using the basic model printer. Expect some minor discrepancies
in physical appearance, hardware count, and electrical readings due to engineering modifications and
manufacturing changes during the life of the product.
The information in this manual is presented with the assumption that the OEM customer has designed their
PWB ESS (Controller) to implement service diagnostics exactly as described in the Video Interface Speci-
fications and in this manual.
This manual serves as both a technical reference manual and as a guideline for OEM clients who wish to
prepare their own service manual. Other uses are prohibited.
This manual is prepared for use in the United States by Xerox International Partners, Technical Services
Group. This manual is copyrighted. No portion may be copied, reproduced, submitted to, or read by XIP
external customers without the prior consent of XIP.

x OKI B6100 Laser Printer - Base Engine Technical Manual
Version 1.0
About this Manual
Symbols Used in This Manual
NOTE: A Note indicates an operating or maintenance procedure, practice, or condition that is necessary
to accomplish a task efficiently.
CAUTION: A Caution indicates an operating or maintenance procedure, practice, or condition
that, if not strictly observed, could result in damage to, or destruction of, equip-
ment.
WARNING: A Warning indicates an operating or maintenance procedure, practice, or condi-
tion that, it not strictly observed, could result in injury or loss of life.
Additional documentation for OKI B6100
•User Manual
The manual that describes how to operate and maintain the OKI B6100 Laser Printer
•Performance Data
The FX internal OEM document that provides detailed OKI B6100 performance information
•Interface Specifications
The FX internal OEM document that provides detailed OKI B6100 video interface specification data
•Spare Parts List
The XIP internal document that provides part numbers for the OKI B6100 printer