Ricoh G-P3 Service Manual page 6

Tools..............................................................................................................................................................40
Electrical Components.....................................................................................................................................41
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
Laser Optics......................................................................................................................................................52
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........................................................................................................................................................60
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
Development.....................................................................................................................................................69
Color Development Motor, Color OPC Motor and Black OPC/Development Motor.........................69
Development Clutch....................................................................................................................................70
Transfer Belt Contact Motor........................................................................................................................71
Toner Supply Motor ....................................................................................................................................72
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