Electrical board unit.....................................................................................................................................41
IOB (Input/Output Board)..........................................................................................................................44
Controller Board..........................................................................................................................................44
Installing the new NVRAM..........................................................................................................................46
PSU (Power Supply Unit) Board.................................................................................................................47
High Voltage Power Supply Board 1.........................................................................................................47
EGB (Engine Board) and High Voltage Power Supply Board 2.............................................................48
LCD Panel.....................................................................................................................................................49
NVRAM Replacement Procedure...............................................................................................................49
Caution Decal Locations.............................................................................................................................52
LD Unit...........................................................................................................................................................52
LDB................................................................................................................................................................56
Polygon Mirror Motor.................................................................................................................................56
Laser Synchronizing Detector Boards........................................................................................................57
LDU Shutter Motor Unit and Sensor...........................................................................................................58
Paper Feed Roller........................................................................................................................................60
Paper Friction Pad........................................................................................................................................61
By-Pass Paper Size Sensor..........................................................................................................................61
By-Pass Feed Roller, Friction Pad...............................................................................................................62
Registration Sensor......................................................................................................................................64
Paper Volume Sensor, End Sensor and Paper width Sensor...................................................................64
Paper Size Sensor and Temperature/ Humidity Sensor..........................................................................67
Paper Feed Motor........................................................................................................................................67
Paper Registration Clutch, Paper Feed Clutch and By-Pass Clutch.........................................................68
Color Development Motor, Color OPC Motor and Black OPC/Development Motor.........................69
Development Clutch....................................................................................................................................70
Transfer Belt Contact Motor........................................................................................................................71
Toner Supply Motor ....................................................................................................................................72
5
Summary of Contents for G-P3
Page 1: ...Model G P3 Machine Code G190 SERVICE MANUAL January 2008 Subject to change...
Page 11: ...10...
Page 77: ...11 Harness guide C x 2 12 Drive unit D x 6 x 16 3 Replacement and Adjustment 76 3...
Page 91: ...3 Replacement and Adjustment 90 3...
Page 137: ...LEDs No LEDs are used for this model except for the Network Interface 4 Troubleshooting 136 4...
Page 337: ...5 Service Tables 336 5...
Page 411: ...MEMO 410...
Page 412: ...MEMO 411...
Page 413: ...MEMO 412...