3-302 Phaser 7500 Printer Service Manual
Error Messages and Codes
3 Remove the IBT and check the
following:
■ The IBT Belt Unit for mechanical
loading and damage
■ The 1st BTR Contact Retract
Gear for wear, damage, or
operation failure
■ The 1st BTR Contact Retract
Clutch for improper installation
■ The 1st BTR Contact Retract
Sensor for improper installation
■ The connection between the 1st
BTR Contact Retract Clutch J250
and the MCU PWB J417 for open
circuit, short circuit, and poor
contact
Are they normal, without any short
circuit, poor contact, or improper
installation?
Replace the 1st
BTR Contact
Retract Clutch
(PL3.2.12).
Repair the short
circuits, poor
contacts, or
improper
installations.
Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No
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