1-36 Service Manual
4025-XXX
6. Drum and BTR (Bias Transfer Roll)
In addition to xerographic functions, the Drum and BTR drive the paper out of the
Xerographic area and into the Fuser area.
7. Hot Roll and Pressure Roll
In addition to fusing functions, the Hot Roll and Pressure Roll drive the sheet of
paper out of the Fuser and into the Offset Unit.
8. Fuser Exit Sensor
Monitors the movement of paper out of the Fuser.
9. Offset and Exit Unit
The assembly located above the Fuser. The Offset Unit drives paper to either the
standard Face Down Output Tray or to the Duplex Module. The Offset Unit includes a
number of components.
Inverter CW and CCW Clutches transmit Main Motor drive, forward and reverse, to
the Offset Rolls.
Offset Roll and Pinch Roll drive the sheet of paper either forward into the Output
Tray or in reverse to the Exit Roll and on to the Duplex Module.
Exit Gate Solenoid controls the Exit Gate to toggle the paper path between the
Output Tray or the Exit Roll and on to the Duplex Module.
Offset Motor and Offset Bracket moves the Offset Roll back and forth so paper
delivered to the Output Tray will stack offset.
Exit Roll and Pinch Roll drive the sheet of paper to Duplex Module.
Paper Path Mechanical Drive
The Main Drive Assembly provides the mechanical drive for the majority of the Paper
Path components. The Offset Motor provides the mechanical drive for the Offset Rolls.
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