Board Structure; Block Diagram - Ricoh B003 Service Manual

6.2 BOARD STRUCTURE

6.2.1 BLOCK DIAGRAM

O P U
S B U
A R D F
Exposure
I N V E R T E R
L a m p
HP Sensor
APS Sensors
Platen Cover
Sensor
Scanner
M D B
Motor
This machine uses the GW (Grand Work) architecture, which allows the copier to
be expanded as an MFP by installing simple modular components (ROM DIMMs)
on the controller board. The BICU and Controller are connected to the FCU and
other components via a PCI bus.
1. Controller (Main Board)
Takes charge of controlling memory and all peripheral devices.
2. BICU (Base Engine and Image Control Unit)
This is the engine control board. It controls the following functions.
• Engine sequence
• Timing control for peripherals
• Image processing, video control
SM
CÓPIA NÃO CONTROLADA
H D D
IC Card
C a r d
Controller
F C U
Mother Board
B I C U
High Voltage
SIB
Power Supply
Sensors
1-Bin Tray
6-5
CÓPIA NÃO CONTROLADA
BOARD STRUCTURE
Polygonal
Fusing Unit
Mirror
Motor
L D D R
PF/Dev.
M a i n
Motor
Motor
L D
I O B
Duplex
Finisher
B003/B004/B006/B007
P S U
Paper Tray
L C T
P F B
By-Pass
Sensors
B004D511.WMF