bh1s.bk : bh1sfrn.doc iv Thu Apr 20 12:42:16 1995
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Service Manual
The manufacturer is not responsible for any radio or television
interference caused by using other than recommended cables or by
unauthorized changes or modifications to this equipment.
Unauthorized changes or modifications could void the user’s
authority to operate the equipment.
Note: To comply with FCC regulations on electromagnetic interfer-
ence, for a Class B computing device, the printer cable must be
shielded.
To assure compliance with FCC regulations for a Class B computing
device, use a properly shielded and grounded IBM cable. Part
numbers for the various interface cables are: part number 1525612
for parallel interface, and part number 8509386 for serial interface.
Use of a substitute cable not properly shielded and grounded may
result in violation of FCC regulations.
Industry Canada Compliance Statement
This digital apparatus does not exceed the Class B limits for radio
noise emissions from digital apparatus as set out in the interference-
causing equipment standard entitled: “Digital Apparatus”, ICES-003
of Industry Canada.
Avis de conformité aux normes d’Industrie Canada
Cet appareil numérique respecte les limites de bruits
radioélectriques applicables aux appareils numériques de Classe B
prescrites dans la norme sur le matériel brouilleur : “Appareils
numériques”, NMB-003 édictée par Industrie Canada.
The United Kingdom Telecommunications Act 1984
This apparatus is approved under the approval number NS/G/1234/
J/100003 for the indirect connections to the public
telecommunications systems in the United Kingdom.
Summary of Contents for 3112
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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 ...