bh1s.bk : bh1s.toc xiv Thu Apr 20 12:42:16 1995
xiv
Service Manual
Right Cover Removal ..................................................................62
Front Cover Removal ..................................................................62
Left Cover Removal.....................................................................64
Top Cover Removal ....................................................................64
14 in. 200-Sheet Paper Tray Top Cover .....................................65
14 in. 500-Sheet Paper Tray Top Cover .....................................65
Transfer Roll Removal.................................................................65
D-roll Assembly Removal ............................................................66
Drive Motor Removal...................................................................67
Fan/Redrive Removal..................................................................68
Fuser Removal ............................................................................69
Fuser Input Guide Removal ........................................................70
Fuser Lamp Removal ..................................................................70
Fuser Solenoid Removal .............................................................71
Fuser Thermistor Removal..........................................................72
HVPS Removal ...........................................................................74
Input Sensor Board Removal ......................................................76
Lower Frame Assembly Removal ...............................................78
LVPS Removal ............................................................................80
LVPS Cover Removal .................................................................81
Operator Panel Removal.............................................................82
INA or Hard Disk Removal ..........................................................82
Host Attachment Card / IPDS Card Removal..............................82
Host Attachment Card / IPDS Card Replacement.......................84
Exit Sensor Board Removal ........................................................84
Paper Feed Magnet Assembly ....................................................86
Paper Feed Magnet Assembly Removal..............................86
Paper Feed Rollers Removal ......................................................86
Paper Size Switch Removal ........................................................88
Printhead Removal......................................................................89
RIP Board, Inner EMC Shield, and Engine Board Removal........91
Fuser/Sensor Cable Removal .....................................................93
Toner Sensor Removal ...............................................................93
Transfer Roll Housing Removal ..................................................93
Upper Frame Removal ................................................................95
Duplex Option Top Cover And Table Cover Removal.................97
Duplex Option Exit Card And Cover Removal.............................98
Duplex Option Bottom Cover
And Entry Sensor Card Removal ................................................99
Duplex Option System Card And Motor Removal .....................101
Connector Locations
...................................................................103
Major Assembly Locations ........................................................103
Summary of Contents for 3112
Page 1: ...S544 5256 00 3112 and 3116 Page Printer Service Manual ...
Page 10: ...x Service Manual ...
Page 16: ...xvi Service Manual ...
Page 50: ...34 Service Manual ...
Page 70: ...54 Service Manual ...
Page 79: ...Repair Information 63 ...
Page 89: ...Repair Information 73 ...
Page 91: ...Repair Information 75 ...
Page 93: ...Repair Information 77 ...
Page 95: ...Repair Information 79 ...
Page 101: ...Repair Information 85 ...
Page 106: ...90 Service Manual ...
Page 112: ...96 Service Manual ...
Page 116: ...100 Service Manual ...
Page 118: ...102 Service Manual ...
Page 120: ...104 Service Manual Gear Train ...
Page 121: ...Connector Locations 105 HVPS Transfer Roller Housing ...
Page 122: ...106 Service Manual Engine Board Connectors ...
Page 125: ...Connector Locations 109 Board Installation Hardware ...
Page 126: ...110 Service Manual Printhead Connector Locations ...
Page 130: ...114 Service Manual Printer Ground Straps ...
Page 136: ...120 Service Manual ...
Page 138: ...122 Service Manual Assembly 1 Covers ...
Page 140: ...124 Service Manual Assembly 2 Lower Frame ...
Page 142: ...126 Service Manual Assembly 3 Upper Frame ...
Page 144: ...128 Service Manual Assembly 4 Printhead ...
Page 146: ...130 Service Manual Assembly 5 Paper Feed ...
Page 148: ...132 Service Manual Assembly 5 Paper Feed Continued ...
Page 150: ...134 Service Manual Assembly 6 Paper Feed Alignment Gears ...
Page 152: ...136 Service Manual Assembly 7 Paper Feed Drive ...
Page 154: ...138 Service Manual Assembly 8 Standard Paper Tray 200 sheet ...
Page 156: ...140 Service Manual Assembly 9 Paper Tray 500 Sheet ...
Page 158: ...142 Service Manual Assembly 10 Base for Paper Drawer 500 Sheet ...
Page 160: ...144 Service Manual Assembly 11 Optional Paper Drawer 500 Sheet ...
Page 162: ...146 Service Manual Assembly 12 Fuser ...
Page 164: ...148 Service Manual Assembly 12 Fuser Continued ...
Page 166: ...150 Service Manual Assembly 13 Electronics ...
Page 168: ...152 Service Manual Assembly 13 Electronics Continued ...
Page 170: ...154 Service Manual Assembly 14 Transfer Roll ...
Page 172: ...156 Service Manual Assembly 15 Duplex Option ...
Page 174: ...158 Service Manual Assembly 16 Envelope and 100 Sheet Auxiliary Feeder ...
Page 178: ...162 Service Manual ...