Phaser 6128MFP Service Manual 3-57
Error Messages and Codes
2 Check the Fuser harness for continuity.
■ Disconnect P/J17 from the MCU Board.
■ Disconnect P/J171 from the Fuser.
■ Disconnect P/J47 from the LVPS.
■ Check continuity between P/J17 and P/J47
<=> P/J171.
Is the harness damaged?
Go to step 3. Repair the
Fuser
harness.
3 Check the Fuser temperature sensor
resistance at these pins on the Fuser
connector J171:
■ J171-5 <=> J171-4
■ J171-6 <=> J171-8
■ J171-6 <=> J171-7
Is there a measurable resistance between
each pair of pins?
Replace the
MCU Board
(page 8-57).
Go to step 4.
4 Replace the Fuser (page 8-11).
Does the error persist?
NOTE
Reset the Fuser life counter after
installation of a new Fuser.
Replace the
MCU Board
(page 8-57).
Complete.
Troubleshooting Procedure (continued)
Step Actions and Questions Yes No
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