Toshiba e-STUDIO5540C Service Manual page 175

[C024] Developer unit mixer motor-K locking error
Classification
Copy process related service call
Check item
LGC board
Developer unit mixer motor-K
Developer unit
Drive unit
Process unit
Drive section
Replace parts
Developer unit mixer motor-K
LGC board
[C360] Needle electrode cleaner operation abnormality
Classification
Copy process related service call
Check item
EPU tray (process unit)
Needle electrode cleaner detection
sensor (S30 - S33)
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
The developer unit motor-K is not rotating normally
• Connector check (CN313)
• Harness check
• Board check
• Motor check
(Perform the output check: 03-114)
• 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 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.
• Connection check (05-2788)
• Perform the code 08-4606- 0 to -3 (-0: K, -1: Y, -2: M, -3:
C) to check which station the error is found.
• Connector check
• Harness check
• Sensor check
(Perform the input check: K: 03-[FAX]ON/[0]/[E]), C: 03-
[FAX]ON/[0]/[H]), M: 03-[FAX]ON/[9]/[C]), Y: 03-[FAX]ON/
[9]/[F])
• Check if the needle electrode cleaner detection sensors
(S30 - S33) are coming off of the plate of the EPU tray.
• Connector check
• Harness check
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Error item
Measures
Remarks
Error item
Measures