Copy Process Related Service Call - Toshiba e-STUDIO 5540C Service Manual

8.3.22

Copy process related service call

[C021] Developer unit motor-YMC locking error
Classification
Copy process related service call
Check item
LGC board
Developer unit motor-YMC
Developer unit
Drive unit
Drum cleaner unit
Process unit
Drive section
Replace parts
Developer unit motor-YMC
LGC board
[C022] Developer unit mixer motor-YMC locking error
Classification
Copy process related service call
Check item
LGC board
Developer unit mixer motor-YMC
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
The developer unit motor-YMC is not rotating normally
• Connector check (CN316)
• Harness check
• Board check
• Motor check
(Perform the output check: 03-113)
• Connector check
• Driving section check (Is there any abnormality on the
rotation?)
• Harness check
• Check if waste toner is clogged on the waste toner
transport path of the YMC-drum cleaner.
• Check if the developer material is excessively supplied to
each YMC-developer unit.
• Unit check
• Gear check
• Driving section check
Check if waste toner is clogged on the toner recovery auger
section.
Check if the gear tooth flank is damaged.
Check if there is any dust between the gear and the shaft.
Check if the contact section between the gear and the shaft is
worn out.
The developer unit mixer motor-YMC is not rotating normally.
• Connector check (CN316)
• Harness check
• Board check
• Motor check
(Perform the output check: 03-115)
• Connector check
• Driving section check (Is there any abnormality on the
rotation?)
• Harness check
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Error item
Measures
Remarks
Error item
Measures