Descriptions Of Electrical Components - Ricoh Aficio 240W Service Manual

ELECTRICAL COMPONENTS

6.11.2 DESCRIPTIONS OF ELECTRICAL COMPONENTS

Number
CIS
CIS1 CIS 1 (Contact Image Sensor)
CIS2 CIS 2 (Contact Image Sensor)
CIS3 CIS 3 (Contact Image Sensor)
CIS4 CIS 4 (Contact Image Sensor)
CIS5 CIS 5 (Contact Image Sensor)
Lamp
L1 Fusing Lamp
LPH
LPH1 LPH1 (LED Print Head 1)
LPH2 LPH2 (LED Print Head 2)
LPH3 LPH3 (LED Print Head 3)
Magnetic Clutches
MC1 Cassette Feed Clutch
MC2 Paper Registration Clutch
MC3 Roll Feed Clutch 1
MC4 Roll Feed Clutch 2
MC5 Toner Supply Clutch
Motors
M1 Cassette Feed Motor
M2 Cooling Fan Motor
M3 Cutter Motor
M4 Drum Motor
M5 Fusing Motor
M6 Main Motor
M7 PCB Cooling Fan Motor
M8 Roll Feed Motor
M9 Scanner Motor
M10 Used Toner Bottle Motor
M11 Wire Cleaner Motor
B125
Name
These transfer the image signals from the CIS LEDs to
the SIB.
One fusing lamp (1100 W) in the hot roller.
Each section writes a part of the image on the PCB
drum. The VDB controls the LPHs.
This transfers power from the cassette feed motor to the
feed and grip rollers in the cassette.
This controls the registration roller. It switches off for a
short time to stop the registration roller to correct skew
in the paper feed path.
This transfers power from the roll feed motor to roll 1 in
the roll feeder.
This transfers power from the roll feed motor to roll 2 in
the roll feeder.
This controls the toner supply mechanism.
This stepper motor controls the paper feed roller in the
paper cassette.
This is an exhaust fan for the circuit boards.
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.
This fan cools the IPU and MCU.
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.
Description
6-84 SM