Xerox Phaser 6121MFP Service Manual page 173

Phaser 6121MFP Service Manual
Procedure
Troubleshooting Reference Table
Applicable Parts
Transport Sensor (PS15), PL14.1.7
Duplex Unit, PL14.1
Engine Control Board, PL13.0.20
Troubleshooting Procedure Table
Step Action and Questions
1 Clean the Duplex Unit Transport
Rollers, and if applicable, clean the
Duplex Unit Attachment Feed
Rollers (page 7-12).
Does the problem persist?
2 Check that the Transport Sensor
(PS15) actuator functions properly and
correct if necessary.
Does the problem persist?
3 Replace the Duplex Unit (page 8-110).
Does the problem persist?
4
Replace the Engine Control Board
(page 8-59).
Jam at Duplex Unit, Open Duplex Unit Cover, Clear Jammed Paper
For the detection of a misfeed at the Duplex Unit feed section, the Paper Loop
Sensor (PS13) is blocked after a predetermined period of time after a duplex feed
sequence is started. Another indication could be that the Paper Loop Sensor is not
blocked after a predetermined period of time after a duplex feed sequence is
started.
In some cases, the Transport Sensor is not blocked even after the lapse of a
predetermined period of time after a duplex feed sequence is started.
Applicable Error Code
• Jam at Duplex Unit
Open Duplex Unit cover
clear jammed paper
Initial Actions
Follow the directions in "Initial Actions for Jam Errors" on page 3-56.
Error Messages and Codes
Wiring and Plug/Jack References
Board Locations (page 2-10)
Engine Control Board Wiring
(page 10-14)
Yes No
Go to step 2. Complete.
Replace the Complete.
Transport
Sensor
(page 8-108).
If the problem
persists, go to
step 3.
Go to step 4. Complete.
Complete.
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