ELECTRICAL COMPONENT DESCRIPTIONS
B234/B235/B236/D101/D102/D103 6-8 SM
Number Name Description
Motors
M22 Duplex Entrance Motor Feeds paper to the duplex unit.
M23 Duplex Transport Motor Drives the transport rollers of the duplex unit.
M24 Duplex Inverter Motor Drives these rollers in the duplex unit: (1)
Duplex transport roller 2, (2) Duplex transport
roller 1, (3) Inverter roller 1, (4) Inverter roller
2, (5) Inverter relay roller.
M25 Exit Junction Gate Motor Operates the duplex junction gate which
guides paper straight out of the machine or
sends it down into the inverter/duplexer.
M26 Exit Motor Drives the exit rollers that feed the paper out
of the machine.
M27 Fusing Motor Drives the fusing unit.
M28 Hopper Agitator Motor Drives the agitator that agitates the toner in
the toner hopper to prevent clumping.
M29 Lamp Regulator Fan (Left) Cools the area around the left lamp regulator.
M30 Lamp Regulator Fan (Right) Cools the area around the right lamp
regulator.
M31 Lower Bottle Cap Motor Opens and closes the inner cap of the lower
toner bottle.
M32 Lower Toner Bottle Motor Rotates the lower toner bottle to supply toner
to the toner entrance tank.
M33 Moisture Removal Fan Removes water vapor from around the fusing
unit.
M34 PSU Box Fan 1 Cools the PSU-E board.
M35 PSU Box Fan 2 Cools the PSU-E board.
M36 PSU Box Fan 3 Cools the PSU-E board.
M37 Paper Cooling Pipe Fan 1 Cools the paper cooling pipe.
M38 Paper Cooling Pipe Fan 2 Cools the paper cooling pipe.
M39 Polygon Mirror Motor Drives the polygon mirror in the laser optics
unit
M40 Polygon Mirror Motor Cooling Fan Removes heat from around the polygon
mirror motor.
M41 Rear Fence Drive Motor Moves the paper stack in the left tandem tray
to the right tandem tray.
M42 Registration Motor Drives the registration rollers.
M43 Cleaning Collection Pipe Cooling
Fan
.Cools the pipe that carries collected toner
away from the development unit.
M44 SBU Cooling Fan Removes heat from around the SBU.
M45 Scanner Intake Fan Cools the scanner optics. Not: "optics fan"
M46 Scanner Motor Drives the 1st and 2nd scanners.
M47 Scanner Motor Cooling Fan Cools the scanner motor.
M48 Scanner Unit Exhaust Fan Cools the scanner optics. Not: "optics
exhaust fan".
M49 Switchback Motor Drives the switchback roller in the duplex
unit.
M50 Toner Bank Motor Drives the toner transport coil, which feeds
fresh toner from the toner bank to the toner
supply cylinder.
M51 Toner Collection Bottle Agitator
Motor
Drives the coil that agitates the used toner in
the toner collection bottle.
M52 Toner Cylinder Agitator Motor Drives the agitator inside the toner supply
cylinder to prevent clumping inside the
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