Electrical Component Descriptions - Ricoh FT5540 Service Manual

9. ELECTRICAL COMPONENT DESCRIPTIONS

NAME
MOTORS
Main
Development Cooling
Blower
Fusing Exhaust Fan
Cooling Blower
Vacuum Fan
Scanner Drive
Lens Drive
4th/5th Mirror Drive
Jogger
Cleaner Motors
Charge Fan
Development
1st/2nd Lift Motors
Paper Feed
MAGNETIC CLUTCHES
Registration
1st Paper Feed
2nd Paper Feed
1st Feed Relay
Duplex Paper Feed
Toner Supply
Drives all main unit components except optics unit and
fans/blower. (100 Vac)
Blows air to the development unit bottom plate.
Removes heat from around the fusing unit. (100 Vac)
Prevents build up of hot air in the optics cavity. (100 Vac)
Provides suction so paper is held firmly on the transport
belt. (100 Vac)
Drives the scanner. (dc servo)
Positions the lens. (dc stepper)
Positions the 4th/5th mirror assembly. (dc stepper)
Drives the jogger plates to keep paper evenly stacked on
the duplex tray.
Clean charge and separation wires.
Ensures even charge on the surface of the drum.
Drives development unit.
Lift paper to the appropriate feed position.
Applies paper feed drive to the 1st and 2nd feed stations.
Drives the registration roller
Starts paper feed from the first feed station.
Starts paper feed from the second feed station.
Drives the rollers of the copier relay unit.
Feeds paper from the duplex tray.
Drives toner supply roller.
1-23
FUNCTION
31 August 1989