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4036-501
Strange sound generated (DADF)
Cause
Paper setting failure
Paper failure
ADF pick roller
improperly installed
Motor assembly
failure
Gear failure
Main drive motor
assembly
Dirt on carriage
guides
2-8
Service Manual
Relevant unit
Operation error
Operation error
Pick roller assembly
•
DADF registration
roll drive motor
assembly
•
DADF main drive
motor assembly
DADF gear 1, 2, 2B,
3 or 4.
Main drive assembly
None
Check method
Is the paper correctly
set in the upper
paper guide?
Is the specified
paper used?
Visual check of pick
roller.
Visual check or
motor rotation.
Visual check of gear
rotation.
Visual check
Visual check
Maintenance
method
Teach users to
properly position the
paper.
None
Re-install pick roller
assembly.
Replace the failure
motor assembly.
Replace the failing
gear.
Replace the motor.
Clean the carriage
guides with isopropyl
alcohol.
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