Ricoh B064 Service Manual page 533

Jogger HP Sensor
Duplex Inverter Exit
Sensor
Switches
Paper Tray Front Switch
Front Door Switch
PCBs
BCU (Base Engine
Control Unit)
Controller Board
SBU (Sensor Board Unit)
VIB (Video Interface
Board)
IPU (Image Processing
Unit)
SDRB (Scanner Drive
Board)
DRB (Drive Board)
PFC (Paper Feed Control) Controls the built-in paper feed trays
LD Unit
LDB (Laser Drive Board)
LCDC
CNB (Connection Board)
MB (Mother Board)
HDD (Hard Disk Drive)
PSU (Power Supply Unit)
Charge/Grid Power Pack
Development Power Pack
Transfer Power Pack
Lamp Regulator
ADF Main Board
Inverter Board (ADF)
Motors
Pick-up Roller Lift Motor
(ADF)
Feed Motor (ADF)
Bottom Plate Motor (ADF)
SM
Detects when the joggers in the duplex unit are at
home position
Detects paper leaving the inverter
Main control board: Controls engine sequence, timing
for peripherals, image processing, and the video data
path
Controls all memory and firmware devices
Controls the CCD
Interfaces the BCU and IPU with the SBU
Processes images from the CCD and CIS.
Controls the scanner mechanisms
Drives the duplex inverter and transport motors,
registration motor, and lower relay motor
Contains the laser diodes
Drives LD unit
See op panel
Relays signals from remote parts of the machine to
the main circuit boards
Interfaces the controller and BCU with other
components
40GB for image storage
Supplies DC to the machine and controls the anti-
condensation heaters
Controls the xenon exposure lamp
Lifts and lowers the pick-up roller in the ADF
Lifts and lowers the bottom plate in the ADF
7-21
SPECIFICATIONS
B064/B065