bh1s.bk : bh1saids.doc 46 Thu Apr 20 12:42:16 1995
46
Service Manual
Paper Feed Tests
This test allows you to observe the drive gear train and feed paper
through the printer to check for broken gear teeth, watch the paper
path, or check the erase lamps.
Note: You may want to remove the gear cover before starting this
test so you can observe the motor gears.
1. Enter Diagnostics mode.
2. Select [PAPER FEED TESTS].
3. Select [Tray 1], [Tray 2], [Feeder], or [Manual].
4. Select [Single] or [Continuous].
5. Select [CANCEL] to stop continuous.
6. Press Return to get back to Diagnostics mode main menu.
Permanent Page Count
The permanent page count can be displayed only. It cannot be
modified or reset by the customer or servicer.
1. Enter Diagnostics mode.
2. Select [PAGE COUNTS].
3. Select [Permanent Page Count].
4. Press Return to return to Diagnostics mode main menu.
Print Contrast
This setting varies the developer bias to vary the print darkness. If
the Print Darkness setting on the customer menu does not allow the
darkness to be set correctly, this setting can increase or decrease
the entire darkness range.
1. Enter Diagnostics mode.
2. Select [PRINTER SETUP].
3. Select [Print Contrast].
4. Select [Low], [Medium], or [High].
5. Press Return to return to the Diagnostics mode main menu.
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 ...
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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 ...