4-68 Phaser 6128MFP Service Manual
General Troubleshooting
Abnormal Noise During Standby
5 Perform the Sub Motor test (page 4-43):
Service Mode > Engine Diag > Motor
Test > Sub Motor FULL2.
Is the noise still present?
Go to step 6. Check the
installation
situation of
printer.
6 1. Reseat the Imaging Unit.
2. Perform the Sub Motor test
(page 4-43): Service Mode > Engine
Diag > Motor Test > Sub Motor
FULL2.
Is the noise still present?
Go to step 7. Complete
7 1. Reseat the Fuser.
2. Perform the Sub Motor test
(page 4-43): Service Mode > Engine
Diag > Motor Test > Sub Motor
FULL2.
Is the noise still present?
Go to step 8. Complete
8 1. Reseat the Sub Drive Assembly.
2. Perform the Sub Motor test
(page 4-43): Service Mode > Engine
Diag > Motor Test > Sub Motor
FULL2.
Is the noise still present?
Try replacing
one after
another:
■ Imaging
Unit
(page 8-8)
■ Fuser
(page 8-11)
■ Sub Drive
Assembly
(page 8-60).
Complete
Troubleshooting Reference Table
Applicable Parts Wiring and Plug/Jack Map References
■ Fan (PL10.6.17)
■ LVPS (PL10.6.16)
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Perform the Fan test (page 4-46): Service
Mode > Engine Diag > Motor Test > Fan.
Is the noise coming from the Fan?
Replace the
Fan.
(page 8-50)
Replace the
LVPS.
(page 8-47)
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
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