Toshiba e-STUDIO5540C Service Manual page 174

Check item
Developer unit
Drive unit
Process unit
Drive section
Replace parts
Developer unit mixer motor-YMC
LGC board
[C023] Developer unit motor-K locking error
Classification
Copy process related service call
Check item
LGC board
Developer unit motor-K
Developer unit
Drive unit
Drum cleaner unit
Process unit
Drive section
Replace parts
Developer unit motor-K
LGC board
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• Check if developer material is excessively supplied to
each YMC-developer unit.
• Check if the developer material is excessively supplied to
each YMC-developer unit.
• Unit check
• Gear check
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 motor-K is not rotating normally
• Connector check (CN313)
• Harness check
• Board check
• Motor check
(Perform the output check: 03-112)
• 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 K-drum cleaner.
• Check if the developer material is excessively supplied to
the K-developer unit.
• Unit check
• Gear 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.
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Measures
Remarks
Error item
Measures
Remarks
ERROR CODE and TROUBLESHOOTING
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