Electrical Component Descriptions; Copier Engine - Gestetner A294 Service Manual

1.7 ELECTRICAL COMPONENT DESCRIPTIONS

Refer to the electrical component layout in the plastic pouch for the location of the
components using the symbols and index numbers.

1.7.1 COPIER ENGINE

Symbol Name
Motors
M1 Scanner
M2 Polygonal Mirror
M3 Drum
M4 Development
M5 Toner Supply
Toner Bank
M6
Upper Toner Bottle
M7
Upper Bottle Cap
M8
Lower Toner Bottle
M9
Lower Bottle Cap
M10
Charge Corona Wire
M11
Cleaner
Fusing/Duplex
M12
Paper Feed
M13
M14 Relay
1st Tray Lift
M15
2nd Tray Lift
M16
3rd Tray Lift
M17
M18 Registration
Oil Supply/Cleaning
M19
Web
Rear Fence Drive
M20
Jogger
M21
M22 Optics Cooling Fan
Polygonal Mirror
M23
Motor Cooling Fan
M24 LDB Cooling Fan
SM
CÓPIA NÃO CONTROLADA
ELECTRICAL COMPONENT DESCRIPTIONS
Drives the 1st and 2nd scanners.
Turns the polygonal mirror.
Drives the drum, cleaning unit, and transfer belt unit.
Drives the development unit.
Supplies the toner to the toner hopper.
Drives the toner transport coil, which feeds fresh
toner from the toner bank to the toner supply cylinder.
Rotates the upper toner bottle to supply toner to the
toner entrance tank.
Opens and closes the inner cap of the upper toner
bottle.
Rotates the lower toner bottle to supply toner to the
toner entrance tank.
Opens and closes the inner cap of the lower toner
bottle.
Drives the charge corona wire cleaner.
Drives the fusing unit, duplex unit, inverter unit, and
paper exit rollers.
Drives the paper feed, separation, pick-up, lower
relay, and vertical transport rollers.
Drives the upper relay roller and the LCT relay roller.
Raises and lowers the bottom plate in the 1st paper
tray.
Raises and lowers the bottom plate in the 2nd paper
tray.
Raises and lowers the bottom plate in the 3rd paper
tray.
Drives the registration rollers.
Drives the oil supply/cleaning web.
Moves the paper stack in the left tandem tray to the
right tandem tray.
Drives the jogger fences to square the paper stack in
the duplex unit.
Removes heat from the scanner optics unit.
Removes heat from around the polygonal mirror
motor.
Removes heat from around the LDB.
1-13
CÓPIA NÃO CONTROLADA
Function
A294/A295