3-74 Phaser 4500/4510 Service Manual
Error Messages and Codes
4 Check the duplex unit assembly
harness:
1.Disconnect connectors of duplex
unit assembly harness.
2.Check the following for continuity:
■ J2750-3 <=> J50-8
■ J2750-4 <=> J50-7
■ J2750-5 <=> J50-6
■ J2750-6 <=> J50-5
Is each continuous?
Replace the
duplex unit
PWBA
(page 8-102).
Replace the
duplex unit
assembly
harness.
Troubleshooting Procedure (continued)
Steps Actions and Questions Yes No
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