1St Btr Contact/ Retract Fail - Xerox Phaser 7500 Service Manual

1st BTR Contact/ Retract Fail

Phaser 7500 Printer Service Manual
After the 1st BTR Contact/ Retract operation has started, it does not complete
within the specified time.
Applicable Chain-Link Code
094-320: 1st BTR Contact/Retract Fail
•
Initial Actions
• Power cycle the printer.
• If the problem persists, follow the procedure below.
Troubleshooting Reference
Applicable Parts
1st BTR Contact Retract
■
Clutch, PL3.2.12
1st BTR Contact Retract
■
Sensor, PL3.2.17
MCU PWB, PL18.3.6
■
Troubleshooting Procedure
Step Actions and Questions
1 Perform the BTR Retract Sensors
test in Diagnostics.
Remove the 1st BTR Contact
Retract Sensor Bracket and use a
sheet of paper, etc. to block/ clear
the light path to the 1st BTR
Contact Retract Sensor.
Does the display change between
High/ Low?
2 Install the 1st BTR Contact Retract
Sensor Bracket.
Perform the BTR Retract Sensors
test in Diagnostics.
Does it contact/ retract?
Error Messages and Codes
Wiring and Plug/Jack Map References
Yes
Go to step 2.
Replace the
MCU PWB
(REP 18.12,
page 8-202).
No
Go to "General
Sensor Failure"
on page 3-28 to
troubleshooting
the 1st BTR
Contact Retract
Sensor.
Go to step 3.
3-301