Xerox Phaser 6120

Theory of Operation
Phaser® 6120 Color Laser Printer Service Manual
9-21
Duplex Unit Drive
Switchback Mechanism
The Paper Exit Roller of the main unit is used to subject the 1-sided print to a switchback
sequence so that the 1-sided print is to be transported through the Duplex Unit.
[1] Duplex Reverse Motor (M9 DU) [4] Duplex Registration Roller
[2] Duplex Transport Motor (M8 DU) [5] Duplex Unit Transport Roller 1
[3] Duplex Unit Transport Roller 2
[1]
[2]
[3]
[4]
[5]
4057to2506c0
4057to2507c0
Exit Sensor (PC7)
Feeding the Paper into Duplex Unit
Paper Exit Roller