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ERROR CODE and TROUBLESHOOTING
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[C370] Transfer belt abnormality
[C380] Auto-toner sensor (K) abnormality (upper limit)
[C381] Auto-toner sensor (K) abnormality (lower limit)
[C382] Auto-toner sensor (K) connection error
Needle electrode cleaner drive
motors (M23 - M26)
• Motor check
(Perform the output check: K: 03-207, C: 03-206, M: 03-
205, Y: 03-204)
• Connector check
• Harness check
Needle electrode cleaner drive
section
• Check if the needle electrode cleaner drive section rotates
smoothly, and if it does not, clean or replace it.
EPU board • Connector check (CN550, CN551, CN553, CN554,
CN555, CN556)
• Board check
LGC board • Connector check (CN308, CN310)
• Harness check
• Board check
Replace parts Remarks
Needle electrode cleaner detection
sensor
Needle electrode cleaner drive motor
EPU board
LGC board
Classification Error item
Copy process related service call
Check item Measures
Transfer belt unit • Connector check
• Unit check
Transfer belt cam motor (M14) • Motor check
(Perform the output check: 03-237)
• Connector check
• Harness check
Transfer belt contact/release
detection sensor (S46)
• Sensor check
(Perform the input check: 03-[ALL]OFF/[5]/[H])
• Connector check
• Harness check
LGC board • Connector check (CN311)
• Board check
Replace parts Remarks
Transfer belt contact/release
detection sensor (S46)
Transfer belt cam motor (M14)
LGC board
Check item Measures
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