Xerox Phaser 6120

Theory of Operation
Phaser® 6120 Color Laser Printer Service Manual
9-22
Paper Exit Roller Drive Coupling
When the Duplex Unit is mounted, the gear assy of the Fusing Unit is raised by the leading
edge of the Duplex Unit lever, thereby disconnecting drive from the machine (Fusing Roller).
The Paper Exit Roller is driven by the Duplex Reverse Motor.
Switchback Motor Control
Rotation of the Duplex Reverse Motor (M9 DU) is controlled by the signal output from the
Duplex Board (PWB-A DU).
Transport and Duplex Paper Take-Up Mechanism
Transport and Duplex Paper Take-Up Operation
Drive for the Duplex Unit is provided by the Duplex Unit Transport Motor (M8 DU).
4057to2508c0
Duplex Reverse Motor (M9 DU)
Duplex Unit Lever
Fusing Unit Gear Assy
4057to2509c0
Duplex Unit Trans-
port Motor
(M8 DU)
Duplex Unit Transport Roller
1
Duplex Unit Transport Roller 2
Duplex Registration Roller