Duplex; Major Functions - Dell 3110cn Service Manual

3.9 Duplex

3.9.1 Major functions

- SENSOR PHOTO (DUP Jam Sensor)
The DUP Jam SENSOR detects that the paper is carried to duplex part.
- CLUTCH DUP
Transmits the drive from the MOTOR DUP to Roll Assy Exit in the FUSER.
When the clutch operates, the Roll Assy Exit rotates in the reverse direction.
The clutch is stoped when the paper reached the Duplex.
- DRIVE ASSY DUP
The DRIVE ASSY DUP supplies the driving power to the Lower Roll (ROLL ASSY DUP2), Upper
Roll (ROLL ASSY DUP1) and Roll Assy Exit of Fuser.
- PWBA DUP
The PWBA DUP controls motor, sensor and clutch.
- FAN DUP
The FAN DUP is cooling inside of printer.
Version 2 2006.03.28
(Refer to 6.4 DRIVE ASSY DUP)
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Chapter 6 Principles of Operation