Board Structure - Ricoh G157 Service Manual

6.1.4 BOARD STRUCTURE

Optics Unit
Polygon Mirror
Motor
Interlock
Switch
Power
Supply
Unit
High
Voltage
Unit
Scanner Unit Open Sensor
Transfer Belt Sensor
Paper Overflow Sensor
Fusing Unit
G157D501.WMF
SM
Synchronization
Detector
Engine Control Gate Array
LD Unit
CPU
16 bit
Fusing Fan
F
PSU Fan
F
Erase Lamp
Waste Toner Sensor
OPC Belt Sensor
ID Sensor
Toner End Sensor
OHP Sensor
Paper Size Sensor
Paper End Sensor
Registration Sensor
Paper Exit Sensor
Development Unit Sensor
6-5
Controller
Sequential Control
Fusing Temperature Control
Error Clearance Program
Laser Power Control
I/F Control
Development Motor
Development Clutch
Base Engine
Controller
Registration Clutch
Paper Feed Clutch
Cleaning Unit Solenoid
Transfer Clutch
Development Solenoid
OVERVIEW
NCU
Scanner Unit
LCD
Operation Panel
Optional Paper
Feed Unit
M
Main Motor
M
Cl
Optics Fan
F
Fusing Clutch
Cl
Cl
Cl
SOL
Cl
YMCK
SOL
G157