Ricoh B286 Service Manual page 599

NUMBER
M3 Cutter Motor
M4 Drum Motor
M5 Fusing Motor
M6 Main Motor
M7 PCB Cooling Fan Motor 1
M8 PCB Cooling Fan Motor 2
M9 Roll Feed Motor
M10 Scanner Motor
M11 Used Toner Bottle Motor
M12 Wire Cleaner Motor
PCBs
IPU (Image Processing
PCB1
Unit)
PCB2 MCU (Main Control Unit)
SM
NAME
This controls the cutter in the roll feeder.
This controls the OPC drum.
This controls the hot roller, fusing exit rollers,
and upper exit rollers.
This controls the registration roller,
development unit, and the agitator in the toner
cartridge.
Cools the IPU, MCU and controller board.
Cools the IPU, MCU and controller board.
This controls the feed rollers for roll 1 and roll
2 in the roll feeder.
This controls the original feed rollers and
original exit rollers.
This controls the mechanism that keeps the
level of used toner in the bottle flat.
This moves the corona wire cleaner to the left
and right to clean the charge corona wire.
This processes image data from the CIS
(Contact Image Sensor), and sends it to the
VDB (Video Drive Board) and LPH (LED Print
Heads). The IPU also controls the HDD unit
and the PC interfaces.
This is the machine's main board. It contains
the SCU (Scanner Control Unit) and ECU
(Engine Control Unit). These units control all
parts of the machine, and this includes the
print engine, scanner, and image processing.
6-91
Electrical Components
DESCRIPTION
B286/B289