POSSIBILITIES
Problem:
1st BTR Contact Failure or 1st BTR Retract Failure Message is displayed after replacing the Accumulator Belt
Cause:
A Phaser 7700 Accumulator Belt was installed in a Phaser 7750. The Phaser 7700 Accumulator Belt does not have retractable 1st Bias Transfer Rollers; so these errors will be reported if one is installed in a Phaser 7750 printer.
Solution:
Fixed!
Did not fix.
Remove the Phaser 7700 Accumulator Belt and install a Phaser 7750 Accumulator Belt.
TRY FIRST (Solutions without parts):
1. Check that all shipping restraits have been removed.
TROUBLESHOOTING TIPS AND HINTS:1. Test the 1st BTR motor in diagnostics to verify proper operation. 2. Test the 1st BTR sensor in diagnostics, then run the 1st BTR motor test and recheck the 1st BTR sensor. Sensor state should alternate between L and H. The sensor is part of the accumulator belt.
PARTS:Parts are listed in the order of highest probability for repair.
NUMBER QTY DESCRIPTION
116177400 1 *KIT IBT - UNIT
REPAIR/INSPECT/PREVENT PROCEDURE:1. Clean feed rollers, exit rollers and guides; replace if
necessary.
2. Clean feed rollers and exit rollers only when dust or
debris is visible.
3. Remove and clean all paper trays.
4. Clean the Laser Scanner Unit window.
5. Inspect the image density sensors; clean if necessary.
6. Inspect the accumulator belt home sensor; clean if
necessary.
7. Inspect the fuser assembly; clean if necessary.
8. Print the Error Log, diagnose and repair any problems as
indicated.
9. Print the Usage Profile, diagnose and repair any
problems as indicated.
10. Check version of all installed firmware; as
appropriate, install the latest version of firmware.
11. Check cleanliness of interior and exterior of printer,
including fans; if necessary, clean (dust or vacuum) these
areas.
Problem:
1st BTR Contact Failure or 1st BTR Retract Failure Message is displayed after replacing the Accumulator Belt
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