Board Structure - Ricoh A250 Service Manual

BOARD STRUCTURE

1.8 BOARD STRUCTURE
1.8.1 OVERVIEW
Scanner
Motor
Scanner Sensors
D F
Motor
DF Sensors,
Solenoids
Laser Printer
Sensors, Solenoids,
Motors, Clutches
P S U
Peripheral Sensors,
Motors, Solenoids,
Clutches
Operation Panel
Standard
A250
D F
Drive
P C B
I O B
H a r n e s s
Fax Controller
Option
Flat Cable
H a r n e s s
H a r n e s s
B I C U
Laser Synchronization
Signal = Fibre Optic Cable
E M B
Flat Cable
Mother Board
Printer Controller
1-14
S B U
L D D
Photo
Circuit
Diode
Board
Polygon
Mirror
Motor
A250V504.WMF
SM