Lexmark 5021-0XX User Manual

Revised March 24, 2006
Lexmark C510
• Table of Contents
•Start Diagnostics
5021-0XX
• Trademarks
•Index
Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
5021-0XX
Edition: March 24, 2006 The following paragraph does not apply to any country where such provisions are
inconsistent with local law: LEXMARK INTERNATIONAL, INC. PROVIDES THIS
PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions; therefore, this statement may not apply to you.
This publication could include technical inaccuracies or typographical errors. Changes are periodically made to the information herein; these changes will be incorporated in later editions. Improvements or changes in the products or the programs described may be made at any time.
Comments may be addressed to Lexmark International, Inc., Department D22A/032-2, 740 West New Circle Road, Lexington, Kentucky 40550, U.S.A or electronically mailed (e-mail) to ServiceInfoAndTraining@Lexmark.com. Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
ImageQuick, Optra Forms, and PrintCryption are trademarks of Lexmark International, Inc.
PCL® is a registered trademark of the Hewlett-Packard Company. PostScript® is a registered trademark of Adobe Systems Incorporated. Other trademarks are the property of their respective owners.
© 2004 Lexmark International, Inc. All rights reserved.
UNITED STATES GOVERNMENT RIGHTS
This software and any accompanying documentation provided under this agreement are commercial computer software and documentation developed exclusively at private expense.
P/N 12G9320
5021-0XX

Table of contents

Laser notices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Safety information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxi
Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvi
Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xxvi
General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Maintenance approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Tools required for service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Serial number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Acronyms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Resolution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Model differences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Physical specifications and weight . . . . . . . . . . . . . . . . . . . . . 1-5
Operating clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Packaging and shipping dimension s. . . . . . . . . . . . . . . . . . . . 1-6
Print speed and performance . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Time to first print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Duty cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Printer memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
Paper and media specifications . . . . . . . . . . . . . . . . . . . . . . . 1-8
Media sizes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Output capacity by media and source. . . . . . . . . . . . . . . . . . 1-12
Media guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Connectivity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Power and electrical specifications. . . . . . . . . . . . . . . . . . . . 1-15
Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Printer identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
Options identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-18
Printer theory of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19
Printer paper path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
Printer systems description . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-21
Basic principles of color printing . . . . . . . . . . . . . . . . . . . . . . 1-21
Mechanical and electrical structures. . . . . . . . . . . . . . . . . . . 1-21
Printer component systems . . . . . . . . . . . . . . . . . . . . . . . . . 1-23
Basic process of color printing . . . . . . . . . . . . . . . . . . . . . . . 1-24
Print system and transfer system . . . . . . . . . . . . . . . . . . . . . 1-25
Structure of OPC belt (photo developer cartridge) . . . . . . . . 1-26
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5021-0XX
Basic structure of the print system. . . . . . . . . . . . . . . . . . . . .1-27
Details of the print system . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-29
Charging process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-29
Exposing process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-31
Developing process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-32
First transfer (drum) process . . . . . . . . . . . . . . . . . . . . . . . . .1-34
Belt discharge (erase lamp) process . . . . . . . . . . . . . . . . . . .1-35
Belt cleaning process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-36
Details of the transfer system . . . . . . . . . . . . . . . . . . . . . . . . . . .1-38
Second transfer (paper) process . . . . . . . . . . . . . . . . . . . . . .1-38
Transfer belt cleaning process. . . . . . . . . . . . . . . . . . . . . . . .1-39
Details of the optical system . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-40
Details of the paper transportation system . . . . . . . . . . . . . . . . .1-42
Fusing unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-44
Fusing process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-46
Control system structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-47
Electrical system and function . . . . . . . . . . . . . . . . . . . . . . . .1-47
Control of print process . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-48
Print sequence diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-49
Laser drive control circuit. . . . . . . . . . . . . . . . . . . . . . . . . . . .1-50
Interface control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1-51
Diagnostic information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
Start . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-1
Service error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-2
Operator messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-9
Paper jam messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-22
Symptom tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-25
Printer symptom table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-25
Print quality symptom table . . . . . . . . . . . . . . . . . . . . . . . . . .2-27
Printer service checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-29
901Yellow developer clutch service check. . . . . . . . . . . . .2-29
902Magenta developer clutch service check . . . . . . . . . . .2-31
903Cyan developer clutch service check . . . . . . . . . . . . .2-33
904Black developer clutch service check . . . . . . . . . . . . .2-35
905Yellow toner retract solenoid service check . . . . . . . . .2-37
906Magenta toner retract solenoid service check . . . . . . .2-39
907Cyan toner retract solenoid service check . . . . . . . . . .2-41
908Black toner retract solenoid service check. . . . . . . . . .2-43
910Developer motor service check . . . . . . . . . . . . . . . . . .2-45
911Main motor service check. . . . . . . . . . . . . . . . . . . . . . .2-48
912Power supply fan service check . . . . . . . . . . . . . . . . . .2-51
913Fuser fan service check . . . . . . . . . . . . . . . . . . . . . . . .2-52
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914Laser fan service check. . . . . . . . . . . . . . . . . . . . . . . . 2-53
915Erase lamp service check . . . . . . . . . . . . . . . . . . . . . . 2-54
916Toner empty sensor (sender-TPD) service check. . . . 2-56
917Toner empty sensor (receiver-TTR) service check. . . 2-57
918HVPS connection service check . . . . . . . . . . . . . . . . . 2-58
919Lower feed unit (secondary paper assembly) service check
2-59
920Fuser thermistor service check . . . . . . . . . . . . . . . . . . 2-60
921,922,923,924,925Fuser assembly service check . . . . 2-61
930,931,932Laser unit assembly service check . . . . . . . . 2-62
985Duplex connection error 1 service check. . . . . . . . . . . 2-63
986Duplex connection error 2 service check. . . . . . . . . . . 2-64
990Transfer belt unit service check. . . . . . . . . . . . . . . . . . 2-65
991Transfer roller clutch service check. . . . . . . . . . . . . . . 2-67
992Transfer belt cleaning roller clutch service check . . . . 2-68
993Fuser clutch service check . . . . . . . . . . . . . . . . . . . . . 2-69
994OPC belt marker sensor service check. . . . . . . . . . . . 2-70
995High voltage power supply (HVPS) service check . . . 2-72
996Low voltage power supply (LVPS) service check . . . . 2-74
Cover open service check. . . . . . . . . . . . . . . . . . . . . . . . . . . 2-75
Incorrect media service check. . . . . . . . . . . . . . . . . . . . . . . . 2-78
Missing photodeveloper cartridge service check . . . . . . . . . 2-80
Missing toner cartridge service check. . . . . . . . . . . . . . . . . . 2-81
OPC belt (photodeveloper) cartridge dr iv e service check . . 2-83
Operator panel service check . . . . . . . . . . . . . . . . . . . . . . . . 2-84
Output tray full service check . . . . . . . . . . . . . . . . . . . . . . . . 2-85
Paper size sensing service check. . . . . . . . . . . . . . . . . . . . . 2-87
Printer no power service check. . . . . . . . . . . . . . . . . . . . . . . 2-89
Toner feed service check . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-91
Toner low/empty service check. . . . . . . . . . . . . . . . . . . . . . . 2-92
Transfer roller missing service check . . . . . . . . . . . . . . . . . . 2-93
Tray empty service check . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-95
Waste toner bottle service check . . . . . . . . . . . . . . . . . . . . . 2-97
Waste toner feed service check . . . . . . . . . . . . . . . . . . . . . . 2-98
Paper feed service checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-99
Printer paper feed service check . . . . . . . . . . . . . . . . . . . . . 2-99
Print quality service checks . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-101
Background service check . . . . . . . . . . . . . . . . . . . . . . . . . 2-101
Back stain service check . . . . . . . . . . . . . . . . . . . . . . . . . . 2-102
Banding service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-103
Black line service check . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-104
Color misregistration service check . . . . . . . . . . . . . . . . . . 2-105
Insufficient fusing service check . . . . . . . . . . . . . . . . . . . . . 2-107
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5021-0XX
Insufficient gloss service check . . . . . . . . . . . . . . . . . . . . . .2-108
Jitter service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-109
Missing image at edge service check . . . . . . . . . . . . . . . . .2-110
Mixed color image service check . . . . . . . . . . . . . . . . . . . .2-111
Mottle service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-112
Residual image service check . . . . . . . . . . . . . . . . . . . . . . .2-113
Ribbing service check . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-114
Toner drop service check . . . . . . . . . . . . . . . . . . . . . . . . . .2-116
Vertical line service check . . . . . . . . . . . . . . . . . . . . . . . . . .2-118
Vertical staggering image service check . . . . . . . . . . . . . . .2-119
Vertical white band service check . . . . . . . . . . . . . . . . . . . .2-120
White band service check . . . . . . . . . . . . . . . . . . . . . . . . . .2-121
White line I service check . . . . . . . . . . . . . . . . . . . . . . . . . .2-122
White line II service check . . . . . . . . . . . . . . . . . . . . . . . . . .2-123
White spot / black spot service check . . . . . . . . . . . . . . . . .2-124
White print service check . . . . . . . . . . . . . . . . . . . . . . . . . .2-125
Wrinkle / image migration service check . . . . . . . . . . . . . . .2-126
Uneven density (right and left). . . . . . . . . . . . . . . . . . . . . . .2-127
Spacing table . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-129
Roller specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2-129
Diagnostic aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
Disabling download emulations . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
Paper jam sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
Diagnostic mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4
Diagnostics menu structure . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5
Print quality test pages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5
Print registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6
Setting tray 2 left margin . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6
Setting top margin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7
Print tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7
Hardware tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-8
LCD test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9
Button test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9
Parallel wrap test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-9
ROM memory test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-10
DRAM memory test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-11
Serial wrap test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-11
Duplex tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-13
Duplex left margin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-13
Device tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14
Quick disk test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14
Disk test/clean . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-14
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Flash test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-15
Printer setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Setting the page count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-16
Viewing the permanent page count. . . . . . . . . . . . . . . . . . . . 3-16
Serial number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Setting configuration ID. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-17
Parallel strobe adjustment. . . . . . . . . . . . . . . . . . . . . . . . . . . 3-18
Error log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Viewing the error log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Printing the error log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-19
Clearing the error log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Restore EP factory defaults . . . . . . . . . . . . . . . . . . . . . . . . . 3-20
Exiting diagnostic mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-21
Repair information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Removal and cleaning precautions . . . . . . . . . . . . . . . . . . . . . . . 4-1
Handling the printed circuit boards with
MOS ICs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
During transportation/storage:. . . . . . . . . . . . . . . . . . . . . . . . . 4-2
During replacement: . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
During inspection:. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Photodeveloper cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
During transportation/storage . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Handling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Parts not to be touched. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-3
Printer removal procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-4
Precautions to take before maintenance work . . . . . . . . . . . . 4-4
CRU/FRU and supplies removals . . . . . . . . . . . . . . . . . . . . . . . . 4-5
Cleaning roller cover removal. . . . . . . . . . . . . . . . . . . . . . . . . 4-6
Transfer belt cleaning roller removal. . . . . . . . . . . . . . . . . . . . 4-6
Transfer belt unit removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Transfer roller removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-8
Fuser assembly removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-9
Waste toner bottle removal. . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Photodeveloper cartridge removal . . . . . . . . . . . . . . . . . . . . 4-11
Duplex unit assembly removal . . . . . . . . . . . . . . . . . . . . . . . 4-13
Secondary paper feed assembly removal. . . . . . . . . . . . . . . 4-16
Cover removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-17
Top cover assembly removal . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Front cover assembly removal . . . . . . . . . . . . . . . . . . . . . . . 4-19
Right cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-22
Rear cover assembly removal. . . . . . . . . . . . . . . . . . . . . . . . 4-22
Left cover removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-24
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Laser unit assembly (printhead) removal. . . . . . . . . . . . . . . .4-24
Laser unit fan assembly removal . . . . . . . . . . . . . . . . . . . . . .4-26
Erase lamp removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-27
Right side removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-29
Front door interlock switch removal . . . . . . . . . . . . . . . . . . . .4-29
Front door interlock switch with bracket. . . . . . . . . . . . . . . . .4-31
Developer motor removal. . . . . . . . . . . . . . . . . . . . . . . . . . . .4-31
Waste toner bottle holder removal . . . . . . . . . . . . . . . . . . . . .4-32
Developer drive assembly removal . . . . . . . . . . . . . . . . . . . .4-32
Toner sensor (sender) removal . . . . . . . . . . . . . . . . . . . . . . .4-35
Cleaning roller clutch removal . . . . . . . . . . . . . . . . . . . . . . . .4-36
Main motor assembly removal . . . . . . . . . . . . . . . . . . . . . . . .4-38
Clutch removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-40
Main drive gear assembly removal. . . . . . . . . . . . . . . . . . . . .4-41
Waste toner feeder removal. . . . . . . . . . . . . . . . . . . . . . . . . .4-42
Rear removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-44
RIP board removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-45
Bracket assembly removal. . . . . . . . . . . . . . . . . . . . . . . . . . .4-45
Paper guide assembly removal . . . . . . . . . . . . . . . . . . . . . . .4-46
Paper guide (C) assembly removal . . . . . . . . . . . . . . . . . . . .4-47
Paper feed roller removal. . . . . . . . . . . . . . . . . . . . . . . . . . . .4-48
Paper exit assembly removal. . . . . . . . . . . . . . . . . . . . . . . . .4-49
Registration assembly removal . . . . . . . . . . . . . . . . . . . . . . .4-52
Left side removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-53
Operator panel cable removal . . . . . . . . . . . . . . . . . . . . . . . .4-54
Engine controller board removal . . . . . . . . . . . . . . . . . . . . . .4-55
RIP board cage removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-57
High voltage power supply (HVPS) removal . . . . . . . . . . . . .4-59
Low voltage power supply (LVPS) with cage removal . . . . . .4-60
HVPS cage removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-62
Toner present sensor remov al . . . . . . . . . . . . . . . . . . . . . . . .4-63
Toner sensor (receiver) removal . . . . . . . . . . . . . . . . . . . . . .4-64
Toner retract solenoid and cam removal . . . . . . . . . . . . . . . .4-64
Left tray guide assembly removal. . . . . . . . . . . . . . . . . . . . . .4-65
Top removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-68
Marker sensor assembly removal . . . . . . . . . . . . . . . . . . . . .4-69
I/O board removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-70
Waste toner auger removal . . . . . . . . . . . . . . . . . . . . . . . . . .4-72
Waste toner agitator removal . . . . . . . . . . . . . . . . . . . . . . . . .4-73
Power supply fan removal . . . . . . . . . . . . . . . . . . . . . . . . . . .4-74
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Locations and connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1
Options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-3
Electronic components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Sensor locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-4
Printer circuit board locations . . . . . . . . . . . . . . . . . . . . . . . . . 5-6
Fan/motor locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-7
Interlock switch locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-8
Solenoid/clutch locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-9
Symbol and part name table . . . . . . . . . . . . . . . . . . . . . . . . 5-11
Wiring diagram / cable harness reference . . . . . . . . . . . . . . 5-14
RIP board . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-15
Engine controller board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-16
Input/output (I/O) board . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-17
Low voltage power supply (LVPS) board . . . . . . . . . . . . . . . 5-18
High voltage power supply (HVPS) board. . . . . . . . . . . . . . . 5-18
Printer cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5-19
Cable 1 connector assignments . . . . . . . . . . . . . . . . . . . . . . 5-19
Cable 1 connector pin assignments . . . . . . . . . . . . . . . . . . . 5-19
Cable 2 connector assignments . . . . . . . . . . . . . . . . . . . . . . 5-22
Cable 2 connector pin assignments . . . . . . . . . . . . . . . . . . . 5-22
Cable 3 connector assignments . . . . . . . . . . . . . . . . . . . . . . 5-24
Cable 3 connector pin assignments . . . . . . . . . . . . . . . . . . . 5-24
Cable 4 connector assignments . . . . . . . . . . . . . . . . . . . . . . 5-26
Cable 5 connector assignments . . . . . . . . . . . . . . . . . . . . . . 5-27
Cable 6 connector assignments . . . . . . . . . . . . . . . . . . . . . . 5-32
Cable 6 connector pin assignments . . . . . . . . . . . . . . . . . . . 5-32
Cable 7 connector assignments . . . . . . . . . . . . . . . . . . . . . . 5-36
Cable 7 connector pin assignments . . . . . . . . . . . . . . . . . . . 5-36
Cable 9 connector assignments . . . . . . . . . . . . . . . . . . . . . . 5-42
Cable 9 connector pin assignments . . . . . . . . . . . . . . . . . . . 5-42
Cable 10 connector assignments . . . . . . . . . . . . . . . . . . . . . 5-44
Cable 10 connector pin assignments . . . . . . . . . . . . . . . . . . 5-44
Cable 11 connector assignments . . . . . . . . . . . . . . . . . . . . . 5-46
Cable 11 connector pin assignments . . . . . . . . . . . . . . . . . . 5-46
Cable 12 connector assignments . . . . . . . . . . . . . . . . . . . . . 5-47
Cable 12 connector pin assignments . . . . . . . . . . . . . . . . . . 5-47
Cable 13 connector assignments . . . . . . . . . . . . . . . . . . . . . 5-48
Cable 13 connector pin assignments . . . . . . . . . . . . . . . . . . 5-48
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Preventive maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6-1
Parts catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
How to use this parts catalog . . . . . . . . . . . . . . . . . . . . . . . . . . . .7-1
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-1
Part number index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I-5
x Service Manual

Laser notices

The following laser notice labels may be affixed to this printer as shown:

Laser advisory label

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Laser notices xi
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Class 1 Laser statement label

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Laser notice

The printer is certified in the U.S. to conform to the requirements of DHHS 21 CFR Subchapter J for Class I (1) laser products, and elsewhere is certified as a Class I laser product conforming to the requirements of IEC 60825-1.
Class I laser products are not considered to be hazardous. The printer contains internally a Class IIIb (3b) laser that is nominally a 5 milliwatt gallium arsenide laser operating in the wa velength region of 770-795 nanometers. The laser system and printer are designed so there is never any human access to laser radiation above a Class I level during normal operation, user maint enance, or prescribed service condition.

Laser

Der Drucker erfüllt gemäß amtlicher Bestätigung der USA die Anforderungen der Bestimmung DHHS (Department of Health and Human Services) 21 CFR Teil J für Laserprodukte der Klasse I (1). In anderen Ländern gilt der Drucker als Laserprodukt der Klasse I, der die Anforderungen der IEC (International Electrotechnical Commission) 60825-1 gemäß amtlicher Bestätigung erfüllt.
Laserprodukte der Klasse I gelten als unschädlich. Im Inneren des Druckers befindet sich ein Laser der Klasse IIIb (3b), bei dem es sich um einen Galliumarsenlaser mit 5 Milliwatt handelt, der Wellen der Länge 770-795 Nanometer ausstr ahlt. Das Lasersystem und der Drucker sind so konzipiert, daß im Normalbetrieb, bei der Wartung durch den Benutzer oder bei ordnungsgemäßer Wartung durch den Kundendienst Laserbestr ahlung, die die Klasse I übersteigen würde, Menschen keinesfalls erreicht.
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Avis relatif à l’utilisation de laser

Pour les Etats-Unis : cette imprimante est certifiée conforme aux provisions DHHS 21 CFR alinéa J concernant les produits laser de Classe I (1). Pour les autres pays : cette imprimante répond aux normes IEC 60825-1 relatives aux produits laser de Classe I.
Les produits laser de Classe I sont considérés comme des produits non dangereux. Cette imprimante est équipée dun laser de Classe IIIb (3b) (arséniure de gallium dune puissance nominale de 5 milliwatts) émettant sur des longueurs donde comprises entre 770 et 795 nanomètres. L’imprimante et son système laser sont conçus pour impossible, dans des conditions normales d’utilisation, dentretien par lutilisateur ou de révision, lexposition à des rayonnements laser supérieurs à des rayonnements de Classe I .

Avvertenze sui prodotti laser

Questa stampante è certificata negli Stati Uniti per essere conforme ai requisiti del DHHS 21 CFR Sottocapitolo J per i prodotti laser di classe 1 ed è certificata negli altri Paesi come prodotto laser di classe 1 conforme ai requisiti della norma CEI 60825-1.
I prodotti laser di classe non sono considerati pericolosi. La stampante contiene al suo interno un laser di classe IIIb (3b) allarseniuro di gallio della potenza di 5mW che opera sulla lunghezza donda compresa tra 770 e 795 nanometri. Il sistema laser e la stampante sono stati progettati in modo tale che le persone a contatto con la stampante, durante il normale funzionamento, le operazioni di servizio o quelle di assistenza tecnica, non ricevano radiazioni laser superiori al livello della classe
1.
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Avisos sobre el láser

Se certifica que, en los EE.UU., esta impresora cumple los requisitos para los productos láser de Clase I (1) establecidos en el subcapítulo J de la norma CFR 21 del DHHS (Departamento de Sanidad y Servicios) y, en los demás países, reúne todas las condiciones expuestas en la norma IEC 60825-1 para pr oductos láser de Clase I (1).
Los productos láser de Clase I no se consideran peligrosos. La impresora contiene en su interior un láser de Clase IIIb (3b) de arseniuro de galio de funcionamiento nominal a 5 milivatios en una longitud de onda de 770 a 795 nanómetros. El sistema láser y la impresora están diseñados de forma que ninguna persona pueda verse af ectada por ning ún tipo de radiaci ón láser superior al nivel de la Clase I durante su uso normal, el mantenimiento realizado por el usuario o cualquier otra situación de servicio técnico.
Declaração sobre Laser A impressora está certificada nos E.U.A. em conformidade com os
requisitos da regulamentação DHHS 21 CFR Subcapítulo J para a Classe I (1) de produtos laser. Em outros locais, está certificada como um produto laser da Classe I, em conformidade com os requisitos da norma IEC 60825-1.
Os produtos laser da Classe I não são considerados perigosos. Internamente, a impressora contém um pr oduto laser da Classe IIIb (3b), designado laser de arseneto de potássio, de 5 milliwatts ,operando numa faixa de comprimento de onda entre 770 e 795 nanómetros. O sistema e a impressora laser foram concebidos de forma a nunca existir qualquer possiblidade de acesso humano a radiação laser superior a um nível de Classe I durante a operação normal, a manutenção feita pelo utilizador ou condições de assistência prescritas.
Laser notices xv
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Laserinformatie

De printer voldoet aan de eisen die gesteld worden aan een laserprodukt van klasse I. Voor de Verenigde Staten zijn deze eisen vastgelegd in DHHS 21 CFR Subchapter J, voor andere landen in IEC 60825-1.
Laserprodukten van klasse I worden niet als ongevaarlijk aangemerkt. De printer is voorzien van een la ser van klasse IIIb (3b), dat wil zeggen een gallium arsenide-laser van 5 milliwatt met een golflengte van 770-795 nanometer. Het lasergedeelte en de printer zijn zo ontworpen dat bij normaal gebruik, bij onderhoud of reparatie conform de voorschriften, nooit blootstelling mogelijk is aan laserstraling boven een niveau zoals voorgeschreven is voor klasse 1.

Lasermeddelelse

Printeren er godkendt som et Klasse I-laserprodukt, i overenstemmelse med kravene i IEC 60825-1.
Klasse I-laserprodukter betragtes ikke som farlige. Printeren indeholder internt en Klasse IIIB (3b)-laser, der nominelt er en 5 milliwatt galliumarsenid laser, som arbejder på bølgelængdeområdet 770-795 nanometer. Lasersystemet og printeren er udformet således, at mennesker aldrig udsættes f or en laserstråling over Klasse I-niveau ved normal drift, brugervedligeholdelse eller obligatoriske servicebetingelser.
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Huomautus laserlaitteesta

Tämä kirjoitin on Yhdysvalloissa luokan I (1) laserlaitteiden DHHS 21 CFR Subchapter J -määrityksen mukainen ja muualla luokan I laserlaitteiden IEC 60825-1 -määrityksen mukainen.
Luokan I laserlaitteiden ei katsota olevan vaarallisia käyttäjälle. Kirjoittimessa on sisäinen luokan IIIb (3b) 5 milliwatin galliumarsenidilaser, joka toimii aaltoalueella 770 - 795 nanometriä. Laserjärjestelmä ja kirjoitin on suunniteltu siten, että käyttäjä ei altistu luokan I määrityksiä voimakkaammalle säteilylle kirjoittimen normaalin toiminnan, käyttäjän tekemien huoltotoimie n tai muiden huoltotoimien yhteydessä.
VARO! Avattaessa ja suojalukitus ohitettaessa olet alttiina näkymättömälle lasersäteilylle. Älä katso säteeseen.
VARNING! Osynlig laserstrålning när denna del är öppnad och spärren är urkopplad. Betrakta ej strålen.

Laser-notis

Denna skrivare är i USA certifierad att motsvara krav en i DHHS 21 CFR, underparagraf J för laserprodukter av Klass I (1). I andra länder uppfyller skrivaren kraven för laserprodukter av Klass I enligt kraven i IEC 60825-1.
Laserprodukter i Klass I anses ej hälsovådliga. Skrivaren har en inbyggd laser av Klass IIIb (3b) som består a v en laserenhet av gallium-arsenid på 5 milliwatt som arbetar i våglängdsområdet 770­795 nanometer . Lasersystemet och skrivaren är utf ormade så att det aldrig finns risk för att någon person utsätts för laserstrålning över Klass I-nivå vid normal användning, underhåll som utförs av användaren eller annan föreskriven serviceåtgärd.
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Laser-melding

Skriveren er godkjent i USA etter kravene i DHHS 21 CFR, underkapittel J, for klasse I (1) laserprodukter, og er i andre land godkjent som et Klasse I-laserprodukt i samsvar med kravene i IEC 60825-1.
Klasse I-laserprodukter er ikke å betrakte som farlige. Skriveren inneholder internt en klasse IIIb (3b)-laser, som består av en gallium-arsenlaserenhet som avgir stråling i bølgelengdeområdet 770-795 nanometer. Lasersystemet og skriveren er utformet slik at personer aldri utsettes for laserstråling ut over klasse I-nivå under vanlig bruk, vedlikehold som utføres av brukeren, eller foreskrevne serviceoperasjoner.

Avís sobre el Làser

Segons ha estat certificat als Estats Units, aquesta impressora compleix els requisits de DHHS 21 CFR, apartat J, pels productes làser de classe I (1), i segons ha estat certificat en altres llocs, és un producte làser de classe I que compleix els requisits dIEC 60825-1.
Els productes làser de classe I no es consideren perillosos. Aquesta impressora conté un làser de classe IIIb (3b) d’arseniür de gal.li, nominalment de 5 mil.liwats, i funciona a la regió de longitud d’ona de 770-795 nanòmetres. El sistema làser i la impressora han sigut concebuts de manera que mai hi hagi exposició a la radiació làser per sobre dun nivell de classe I durant una operació normal, durant les tasques de manteniment dusuari ni durant els serveis que satisfacin les condicions prescrites.
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Japanese laser notice

Chinese laser notice

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Laser notices xix
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Korean laser notice

xx Service Manual

Safety information

The safety of this product is based on testing and approvals of
the original design and specific components. The manufacturer is not responsible for safety in the event of use of unauthorized replacement parts.
The maintenance information for this product has been
prepared for use by a professional service person and is not intended to be used by others.
There may be an increased risk of electric shock and personal
injury during disassembly and servicing of this product. Professional service personnel should underst and this and tak e necessary precautions.
CAUTION: When you see this symbol, there is a
danger from hazardous voltage in the area of the product where you are working. Unplug the product before you begin, or use caution if the product must receive power in order to perform the task.

Consignes de sécurité

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La sécurité de ce produit repose sur des tests et des
agréations portant sur sa conception d'origine et sur des composants particuliers. Le fabricant n'assume aucune responsabilité concernant la sécurité en cas d'utilisation de pièces de rechange non agréées.
Les consignes d'entretien et de réparation de ce produit
s'adressent uniquement à un personnel de maintenance qualifié.
Le démontage et l'entretien de ce produit pouvant présenter
certains risques électriques, le person n el d'ent re tie n qualif i é devra prendre toutes les précautions nécessaires.
ATTENTION : Ce symbole indique la présence
d'une tension dangereuse dans la partie du produit sur laquelle vous travaillez. Débranchez le produit avant de commencer ou faites preuve de vigilance si l'exécution de la tâche e xige que le produit reste sous tension.
Safety information xxi
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Norme di sicurezza

La sicurezza del prodotto si basa sui test e sull'approvazione
del progetto originale e dei componenti specifici. Il produttore non è responsabile per la sicurezza in caso di sostituzione non autorizzata delle parti.
Le informazioni riguardanti la manutenzione di questo prodotto
sono indirizzate soltanto al personale di assistenza autorizzato.
Durante lo smontaggio e la manutenzione di questo prodotto,
il rischio di subire scosse elettriche e danni alla persona è più elevato. Il personale di assistenza autorizzato deve, quindi, adottare le precauzioni necessarie.
ATTENZIONE: Questo simbolo indica la presenza
di tensione pericolosa nell'area del prodotto. Scollegare il prodotto prima di iniziare o usare cautela se il prodotto deve essere alimentato per eseguire l'intervento.

Sicherheitshinweise

Die Sicherheit dieses Produkts basiert auf Tests und
Zulassungen des ursprünglichen Modells und bestimmter Bauteile. Bei Verwendung nicht genehmigter Ersatzteile wird vom Hersteller keine Verantwortung oder Haftung für die Sicherheit übernommen.
Die Wartungsinformationen für dieses Produkt sind
ausschließlich für die Verwendung durch einen Wartungsfachmann bestimmt.
Während des Auseinandernehmens un d de r War t u n g de s
Geräts besteht ein zusätzliches Risiko eines elektrischen Schlags und körper lic her Verletzung. Das zuständige Fachpersonal sollte entsprechende Vorsichtsmaßnahmen treffen.
ACHTUNG: Dieses Symbol weist auf eine
gefährliche elektrische Spannung hin, die in diesem Bereich des Produkts auftreten kann. Ziehen Sie vor den Arbeiten am Gerät den Netzstecker des Geräts, bzw. arbeiten Sie mit großer Vorsicht, wenn das Produkt für die Ausführung der Arbeiten an den Strom angeschlossen sein muß.
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Pautas de Seguridad

La seguridad de este producto se basa en pruebas y
aprobaciones del diseño original y componentes específicos. El fabricante no es responsab le de la seguridad en caso de uso de piezas de repuesto no autorizadas.
La información sobre el mantenimiento de este producto está
dirigida exclusivamente al personal cualificado de mantenimiento.
Existe mayor riesgo de descarga eléctrica y de daños
personales durante el desmontaje y la reparación de la máquina. El personal cualificado debe ser consciente de este peligro y tomar las precauciones necesarias.
PRECAUCIÓN: este símbolo indica que el voltaje
de la parte del equipo con la que está trabajando es peligroso. Antes de empezar, desenchufe el equipo o tenga cuidado si, para trabajar con él, debe conectarlo.

Informações de Segurança

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A segurança deste produto baseia-se em testes e aprovações
do modelo original e de componentes específicos. O fabricante não é responsável pela segunrança, no caso de uso de peças de substituição não autorizadas.
As informações de segurança relativas a este produto
destinam-se a profissionais destes serviços e não devem ser utilizadas por outras pessoas.
Risco de choques eléctricos e ferimentos gr aves durante a
desmontagem e manutenção deste produto. Os profissionais destes serviços devem estar avisados deste facto e tomar os cuidados necessários.
CUIDADO: Quando vir este símbolo, existe a
possível presença de uma potencial tensão perigosa na zona do produto em que está a trabalhar. Antes de começar , desligue o produto da tomada eléctrica ou seja cuidadoso caso o produto tenha de estar ligado à corrente eléctrica para realizar a tarefa necessária.
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Informació de Seguretat

La seguretat d'aquest producte es basa en l'avaluació i
aprovació del disseny original i els components específics. El fabricant no es fa responsable de les qüestions de seguretat si s'utilitzen peces de recanvi no autoritzades.
La informació pel manteniment daquest producte està
orientada exclusivament a professionals i no està destinada a ningú que no ho sigui.
El risc de xoc elèctric i de danys personals pot augmentar
durant el procés de desmunt atge i de servei daquest producte. El personal professional ha destar-ne assabentat i prendre les mesures convenients.
PRECAUCIÓ: aquest símbol indica que el voltatge
de la part de l'equip amb la qual esteu treballant és perillós. Abans de començar, desendolleu l'equip o extremeu les precaucions si, per treballar amb l'equip, l'heu de connectar.
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Safety information xxv
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Preface

This manual contains maintenance procedures for service personnel. It is divided into the following chapters:
1. General information contains a general description of the printer and the maintenance approach used to repair it. Special tools and test equipment are listed, as well as general environmental and safety instructions.
2. Diagnostic information contains an error indicator table, symptom tables, and service checks used to isolate failing field replaceable units (FRUs).
3. Diagnostic aids contains tests and checks used to locate or repeat symptoms of printer pr oblems.
4. Repair information provides instructions for making printer adjustments and removing and installing FRUs.
5. Connector locations uses illustrations to identify the connector locations and test points on the printer.
6. Preventive maintenance contains the lubrication specifications and recommendations to prevent problems.
7. Parts catalog contains illustrations and part numbers for individual FRUs.

Definitions

Note: A note provides additional information. Warning: A warning identifies something that might damage the
product hardware or software. CAUTION: A caution identifies something that might cause a
servicer harm.
CAUTION: When you see this symbol, there is a danger from hazardous voltage in the area of the product where you are working. Unplug the product before you begin, or use caution if the product must receive power in order to perform the task.
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1. General information

This Lexmark C510 color laser printer is the ideal printer for presentations, busin ess graphics, line art, and text. It uses laser diode electrophotographic technology to deliver remarkable quality print images and text. The printer can be used as a shared network or desktop printer.

Maintenance approach

The diagnostic information in this manual leads you to the correct field replaceable unit (FRU) or part. Use the error code charts, symptom index, and service checks to determine the symptom and repair the failure. See Diagnostic information on page 2-1, for location of each section. You may find that the removals in the Repair information chapter will help you identify parts. After you complete the repair, perform tests as needed to verify the rep air.

Tools required for service

The removal and adjustment procedures described in this manual require the following tools and equipment:
Analog volt ohmmeter (a digital volt ohmmeter may also be
used)
Flat-blade screwdrivers
Needle nose pliers
#1 Phillips screwdriver
#2 Phillips screwdriver
Slotted screwdriver #1
Slotted clock screwdriver #1
Tweezers, C-ring pliers
When you make voltage readings, always use frame ground unless another ground is specified.
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Serial number

Look for the label on the rear cover of your printer for serial number information. The serial number is also listed in the menu settings page and can be printed from the utilities menu.
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Acronyms

ASIC Application-Specific Integrated Circuit CS Customer Ordered CSU Customer Setup DRAM Dynamic Random Access Memory EEPROM Electrically Erasable Programmable Read-Only
Memory EP Electrophotographic Process ESD Electrostatic Discharge FRU Field Replaceable Unit HV High Voltage HVPS High Voltage Power Supply LAN Local Area Network LASER Light Amplification by Stimulated Emission of
Radiation LCD Liquid Crystal Display LED Light-Emitting Diode LV Low Voltage LVPS Low Voltage Power Supply NVRAM Nonvolatile Random Access Memory OEM Original Equipment Manufacturer PICS Problem Isolation Charts PIXEL Picture Element POR Power-On Reset POST Po wer-On Self Test PQET Print Quality Enhancement Technology RIP Raster Image Processor ROS Read-Only Storage SRAM Static Random Access Memory UPR Used Parts Replacement V AC Volts alternating current VDC Volts direct current
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Specifications

Resolution

600 x 600 dpi 2400 image quality

Model differences

C510 C510n C510dtn
USB 2.0 X X X Parallel X Ethernet X X Memory (MB) 64 128 128
Options available
530-sheet drawer (tray 2)
Duplex X X Hard disk X X X

Technical specifications

XX
Toner darkness
There are five settings to balance print darkness and toner savings. The higher the setting, the darker the print. The toner darkness default setting is 4.
The toner darkness setting is available through the operator panel under the Color Menu, Toner Darkness menu.
Color correction settings
There are three settings to choose the type of color correction to be applied when printing.
Auto (default): Applies different color correction to each object on the printed page depending upon the type of object ( te xt, graphics or image), and how the color for each object is specified.
Off: No color correction is implemented.
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