Electrical Component Descriptions - Ricoh A151 Field Service Manual

3. ELECTRICAL COMPONENT DESCRIPTIONS

Motors
SYMBOL NAME
M1 Main Motor
M2 Scanner Motor
M3 Lens Motor
4th/5th Mirror
M4
Motor
Optics Cooling
M5
Fan Motor
Exhaust Blower
M6
Motor
Magnetic Clutch
SYMBOL NAME
Registration
MC1
Clutch
Magnetic Spring Clutches
SYMBOL NAME
Toner Supply
MSC1
Clutch
Relay Roller
MSC2
Clutch
Paper Feed
MSC3
Clutch
FSM
FUNCTION
Drives all the main unit components except for the
optics unit and fans. (115/220–240 Vac [ac
synchronous])
Drives the scanners (1st and 2nd). (dc stepper)
Positions the lens according to the selected
magnification. (dc stepper)
... FT3213 copier only
Positions the 4th/5th mirrors according to the
selected magnification. (dc stepper)
... FT3213 copier only
Prevents built up of hot air in the optics cavity.
(24 Vdc)
... FT3213 copier only
Removes heat from around the fusing unit and
moves the ozone built up around the charge
section to the ozone filter. (24 Vdc)
FUNCTION
Drives the registration rollers.
FUNCTION
Drives the toner supply roller.
Drives the 1st and 2nd relay rollers.
Starts paper feed.
2-3
INDEX
NO.
34
29
22
31
4
17
INDEX
NO.
3
INDEX
NO.
35
37
38
A151/A152