2-42 Phaser 6180 Color Laser Printer Service Manual
Theory of Operation
Duplex Unit
■ Duplex Jam Sensor
The Duplex Jam Sensor detects paper that is carried to the Duplex Unit.
■ Duplex Clutch
The Duplex Clutch transmits drive energy from the Duplex Motor to the
Exit Roller in the Fuser. When the Clutch operates, the Exit Roller rotates
in the reverse direction.
■ Duplex Motor
The Duplex Motor provides drive energy to the Lower Roller (Duplex 2
Roller), Upper Roller (Duplex 1 Roller), and Exit Roll on the Fuser.
■ Duplex Board
The Duplex Board controls the Motor, Sensor, and Clutch.
■ Duplex Fan
The Duplex Fan removes heat from inside of the printer to prevent
overheating.
s6180-284
Upper Duplex Roller
Duplex Jam Sensor
Duplex Clutch
Duplex Motor
Duplex Fan
Duplex Board
Lower Duplex Roller
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