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Problem
(4)Power source
fan motor does not
operate.
(5)Registration
clutch does not
operate.
(6)Paper feed
clutch does not
operate.
(7)Developer
clutch does not
operate.
Causes
1. Broken power source
fan motor coil.
2. Defective harness
between power
source fan motor and
control PWB
(YC107), or improper
connector insertion.
3. Defective control
PWB.
1. Broken registration
clutch coil.
2. Defective harness
between registration
clutch and control
PWB (YC20), or
improper connector
insertion.
3. Defective control
PWB.
1. Broken paper feed
clutch coil.
2. Defective harness
between paper feed
clutch and control
PWB (YC20), or
improper connector
insertion.
3. Defective control
PWB.
1. Broken developer
clutch coil.
2. Defective harness
between developer
clutch and control
PWB (YC20), or
improper connector
insertion.
3. Defective control
PWB.
Check procedures/corrective measures
Check for continuity across the coil. If none, replace the
power source fan motor.
Reinsert the connector. Also check for continuity within the
connector harness. If none, remedy or replace the harness.
Replace the control PWB (See page 1-5-37).
Check for continuity across the coil. If none, replace the
registration clutch.
Reinsert the connector. Also check for continuity within the
connector harness. If none, remedy or replace the harness.
Replace the control PWB (See page 1-5-37).
Check for continuity across the coil. If none, replace the
paper feed clutch.
Reinsert the connector. Also check for continuity within the
connector harness. If none, remedy or replace the harness.
Replace the control PWB (See page 1-5-37).
Check for continuity across the coil. If none, replace the
developer clutch.
Reinsert the connector. Also check for continuity within the
connector harness. If none, remedy or replace the harness.
Replace the control PWB (See page 1-5-37).
1-4-24
2MH/2MJ/2MK/2ML
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