Theory Of Operation; Duplex Unit - Xerox Phaser 6120 Service Manual

Theory of Operation

Duplex Unit

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Key Name
[1] Duplex Unit Transport Roller 1
[2] Duplex Registration Roller
[3] Duplex Unit Transport Roller 2
[4] Duplex Cooling Fan Motor (M10 DU) Cools the inside of the Duplex Unit.
[5] Duplex Reverse Motor (M9 DU)
[6] Duolex Transport Motor (M8 DU)
[7] Duplex Door Sensor (PC11 DU)
[8] Duplex Registration Solenoid
(SL6 DU)
[9] Duplex Paper Loop Sensor (PC10
DU)
[10] Duplex Board (PWB-A DU)
[11] Duplex Transport Sensor (PC12 DU) Detects paper conveyed into the Duplex Unit.
Phaser® 6120 Color Laser Printer Service Manual
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Conveys paper in the Duplex Unit.
Driven by the Duplex Transport Motor.
Starts feeding the paper from the Duplex Unit so that the
paper is correctly synchronized with the image on the
Transfer Belt.
Conveys the paper into the Duplex Unit.
Drives the Paper Exit Roller.
Conveys paper in the Duplex Unit.
Determines whether the Duplex Door is open or closed.
Controls drive of the Duplex Registration Roller.
Activated to allow a loop to be formed in the paper.
Controls drive of the Duplex Unit.
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Theory of Operation

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Function/System