Phaser 7500 Printer Service Manual 3-125
Error Messages and Codes
5 Check the connection between the
Rear Bottom Fan J 234 and the
MCU PWB J 417 for open circuit,
short circuit, grounded condition
and poor contact.
Is it conducting properly?
Replace the
following parts
in sequence:
■ Rear Bottom
Fan (PL4.3.8)
■ MCU PWB
(REP 18.12,
page 8-202)
Repair or replace
the sections that
have short
circuits and poor
contacts.
Troubleshooting Procedure (Continued)
Step Actions and Questions Yes No
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