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EN
Contents 5
Covers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Left side cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
Optional copier/scanner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
Back cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
Right side cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
Top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
Control panel assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
Front cover assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
Internal assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Transfer roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Formatter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97
Laser/scanner assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
Fuser assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
Output rollers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
Motor. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
Fan assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Right plate assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Pickup assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Pickup roller shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117
Paper lift plate assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Left plate assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Bottom assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
ECU pan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Paper-feed assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
6 Troubleshooting
Chapter contents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Basic troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130
Errors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Control panel light messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Fatal error secondary messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Checking the toner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Solving image-quality problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
Solving paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Solving print paper-feed problems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Solving copying and scanning paper-feed problems . . . . . . . . . . . . . . . . . 148
Functional checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Engine test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Half self-test functional check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Drum rotation functional check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Heating element check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
High-voltage power supply check. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Paper path check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
7


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