e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C © 2011 - 2014 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE and TROUBLESHOOTING
8 - 174
[C024] Developer unit mixer motor-K locking error
[C360] Needle electrode cleaner operation abnormality
Classification Error item
Copy process related service call The developer unit motor-K is not rotating normally
Check item Measures
LGC board • Connector check (CN313)
• Harness check
• Board check
Developer unit mixer motor-K • Motor check
(Perform the output check: 03-114)
• Connector check
• Driving section check (Is there any abnormality on the
rotation?)
• Harness check
Developer unit • 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.
Drive unit • Unit check
• Gear check
Process unit
Drive 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.
Replace parts Remarks
Developer unit mixer motor-K
LGC board
Classification Error item
Copy process related service call
Check item Measures
EPU tray (process unit) • 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
Needle electrode cleaner detection
sensor (S30 - S33)
• 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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