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Lexmark Optra T Service Manual - Page 187

Controller Board, Remove the serial port mounting screws if present.

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4069-XXX Controller Board 1. Remove the inner EMC shield. 2. Remove the controller board mounting screw (A). 3. Remove the controller board mounting screws (C). 4. Remove the controller board parallel port mounting screws (B). 5. Remove the serial port mounting screws if present. 6. Remove the controller board. Repair Information 4-17

Section	Page
Notices and Safety Information	9
Laser Notices	9
Safety Information	17
Preface	22
1. General Information	23
Options	25
Maintenance Approach	26
Tools Required For Service	26
Acronyms	27
2. Diagnostic Information	29
Start	29
Service Error Codes	30
User Status Messages	40
User Error Messages	44
Power-On Self Test (POST)	52
Symptom Tables	53
Service Checks	56
Charge Roll Service Check	57
Cover Open Switch/Cable Service Check	59
Dead Machine Service Check	60
Duplex Option Service Check	63
Envelope Feeder Option Service Check	66
Erase Lamp Service Check (010/212/414/616)	73
Fan Service Check	74
Fuser Service Check	75
Fuser Solenoid Service Check	78
Input Sensor Service Check	79
Input Tray(s) Option Service Check	79
High Capacity Feeder Input Tray Service Check	83
Main Drive Service Check	96
Operator Panel Service Check	97
Options Service Check	99
Output Bin Sensor Standard Tray Service Check	101
Output Expander Service Check	102
High-Capacity Output Stacker Service Check	107
5-Bin Mailbox Service Check	110
Paper Feed Service Check	116
Parallel Port Service Check	118
Printhead Service Check	119
Print Quality Service Check	120
Smart Cartridge Service Check	133
Serial Port Service Check	134
Toner Sensor Service Check	134
Transfer Roll Service Check	135
3. Diagnostic Aids	139
Diagnostic Mode	139
Device Tests	140
Quick Disk Test	140
Disk Test/Clean	140
Flash Test	141
Disabling Download Emulations	141
Duplex Tests	142
Duplex Quick Test	142
Duplex Sensor Test	143
Duplex Motor Test	143
Duplex Feed 1 Test	145
Duplex Feed 2 Test	145
Error Log	146
Viewing the Error Log	146
Clearing the Error Log	146
Hardware Tests	147
LCD Test	147
Button Test	147
SDRAM Memory Test	148
ROM Memory Test	148
Parallel Wrap Test	149
Serial Wrap Test	150
Input Tray Tests	152
Input Tray Feed Test	152
Input Tray Sensor Test	152
Output Bin Test - Standard Bin	153
Output Bin Feed Test	153
Output Bin Sensor Test	154
Output Bin X Sensor Test	154
Base Sensor Test	155
5-Bin Mailbox Diverter Test	156
Print Registration	157
Printer Setup	158
Setting the Page Count	158
Viewing the Permanent Page Count	158
Maintenance Page Count	159
Setting Configuration ID	159
Restore EP Factory Defaults	160
Print Tests	161
Print Quality Test Pages	162
Print Test with RIP (Controller Board) Removed	163
Printing Menu Settings Page	164
Autocompensator Operation	164
Autoconnect System, Paper Tray Options, Envelope Feeder and Output Expander Operations	165
Fuser Operation	167
Paper Feed Jams	168
4. Repair Information	171
Handling ESD-Sensitive Parts	171
Adjustment Procedures	172
Duplex Motor Drive Belts	172
Fuser Solenoid Adjustment	173
Gap Adjustment	173
Printhead Assembly Adjustment	174
Paper Alignment Assembly Adjustment	175
Screw Identification Table	177
Removal Procedures	182
Covers	182
Center Pan Assembly	186
Controller Board	187
Developer Drive Assembly	188
Duplex Board	189
Duplex Front Cover Assembly	189
Duplex Front Cover Door	189
Duplex Motor	190
EMC Shields	191
Engine Board	193
Fans	194
Frames	196
Fuser	199
Fuser Board	200
Fuser Cover	201
Fuser Detack Fingers	201
Fuser Detack Housing Assembly	202
Fuser Transfer Plate	203
Fuser Envelope Conditioner Solenoid	204
Fuser Narrow Media Sensor/Flag Assembly	205
Fuser Exit Sensor Flag Assembly	205
Fuser Lamp	205
Fuser Lower Exit Guide Assembly	206
High Voltage Power Supply	207
Integrated Tray Compensator Assembly	208
Integrated Tray Compensator Pick Roll Assembly	209
Interconnect Board Assembly	210
Low Voltage Power Supply	212
Main Drive Assembly	213
Main Drive Motor	215
Multipurpose Tray/Lower Deflector Assembly	216
Operator Panel Assembly	218
Operator Panel Cable/Cover Open Switch Assembly	219
Optional 250/500 Paper Tray Assembly	220
Paper Alignment Assembly	221
Paper Deflectors	223
Paper Input Sensor	224
Paper Size Sensing Board	224
Pick Roll	225
Printhead	226
Redrive Assembly	227
Smart Cartridge Contacts	228
Toner Sensor	229
Transfer Roll Assembly	230
Upper Paper Deflector Assembly	230
Upper Front Cover Hinge Assembly	231
Upper Front Cover Interlock Switch Assembly	232
5. Connector Locations	233
Low Voltage Power Supply	233
High Voltage Power Supply	235
Engine Board	236
Fuser Board	243
Interconnect Board	244
Envelope Option Board	247
Duplex Option Board	249
Autoconnect - Top	251
Output Expander Control Board	252
High-Capacity Output Stacker Board	254
6. Preventive Maintenance	257
Safety Inspection Guide	257
Lubrication Specifications	257
Scheduled Maintenance	258
7. Parts Catalog	259
How To Use This Parts Catalog	259
Printer Serial Label	260
Assembly 1: Covers	262
Assembly 2: Frame	266
Assembly 3: Printhead	270
Assembly 4: Paper Feed (Autocompensator)	272
Assembly 5: Paper Feed - Multipurpose Unit	274
Assembly 6: Paper Feed - Alignment	276
Assembly 7: Paper Feed - Output	278
Assembly 8: Integrated Paper Tray - 250 Sheet	280
Assembly 9: Integrated Paper Tray - 500 Sheet	282
Assembly 10: Main Drive	284
Assembly 11: Developer Drive	286
Assembly 12: Hot Roll Fuser	288
Assembly 13: Transfer	292
Assembly 14: Charging	294
Assembly 15: Electronics	296
Assembly 16: 250 Sheet Tray	310
Assembly 17: 500 Sheet Tray	316
Assembly 18: Duplex	320
Assembly 19: Output Expander	326
Assembly 20: Envelope Feeder	330
Assembly 21: High Capacity Feeder	334
Assembly 22: Kiosk - Vertical Paper Adapter	348
Assembly 23: Kiosk - Horizontal Paper Adapter	350
Assembly 24: High-Capacity Output Stacker	352
Assembly 25: 5-Bin Mailbox	358
Assembly 26: Options	362
Assembly 27: Miscellaneous	364
Index	367