Xerox Phaser 7400

3-26 Phaser 7400 Color Printer Service Manual
Jam in Duplex Unit
Media reached Duplex Reverse Sensor, but did not leave the Duplex Unit on time.
This error represents a misfeed jam inside the Duplex Unit.
Applicable Status Code:
Code D2: Jam in Duplex Unit
Initial Actions:
■ Cycle printer power.
■ If the problem persists, follow the procedure below.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■ Duplex Unit, PL16.1.0 ■ Print Engine Motor Driver Board (5/6) (page 10-35)
■ Options Map 4, Duplex Unit Controller Board
■ Options Duplex Unit Sensors and Interconnect Wiring
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Ensure the correct weight and type of
paper is loaded in the tray.
Does the media meet specifications?
Go to Step 2. Run several test
prints.
If a jam persists, go
to Step 2.
2
Check for and remove any dirt, debris or
obstructions in the paper path around the
Duplex Unit.
Did this correct the problem?
Complete Go to Step 3.
3
Clean and check the Duplex Unit rollers.
Do the rollers move freely and are free of
dirt or debris?
Go to Step 4. Replace the Duplex
Unit.
4
Test the Duplex Entrance, Reverse, Front,
and Rear actuators and sensors using
Service Diagnostics.
Do the sensors function correctly?
Go to Step 5. Replace the Duplex
Unit.
5
Test the Duplex Motors.
Do the motors function correctly?
Go to Step 6. Replace the Duplex
Unit.
6
Inspect the DUPLEX harness. If defective,
replace the wiring harness.
Is the harness properly seated and free
from defects?
Replace the Motor
Driver Board
(
page 8-141).
Replace the Duplex
Unit.