Xerox PHASER 6121MFP, Service Manual

Page: 173 / 532

Phaser 6121MFP Service Manual 3-67
Error Messages and Codes
Procedure
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.
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack References
■
Transport Sensor (PS15), PL14.1.7
■
Duplex Unit, PL14.1
■
Engine Control Board, PL13.0.20
■
Board Locations (page 2-10)
■
Engine Control Board Wiring
(page 10-14)
Troubleshooting Procedure Table
Step Action and Questions Yes No
1 Clean the Duplex Unit Transport
Rollers, and if applicable, clean the
Duplex Unit Attachment Feed
Rollers (page 7-12).
Does the problem persist? Go to step 2. Complete.
2 Check that the Transport Sensor
(PS15) actuator functions properly and
correct if necessary.
Does the problem persist? Replace the
Transport
Sensor
(page 8-108).
If the problem
persists, go to
step 3. Complete.
3 Replace the Duplex Unit (page 8-110).
Does the problem persist? Go to step 4. Complete.
4 Replace the Engine Control Board
(page 8-59). Complete.