Toshiba e-STUDIO 5540C Service Manual page 928

Check item
Drum thermistor-K (THM1)
Drum thermistor-Y (THM2)
LGC board
Replace parts
Drum thermistor-K
Drum thermistor-Y
EPU board
LGC board
[CE71] Drum phase adjustment abnormality
Classification
Copy process related service call
Check item
LGC board
Drum motor (K) (M27)
Drum motor (YMC) (M28)
K drum phase sensor (S44)
Color drum phase sensor (S43)
Drum cleaner unit (Y, M, C, K)
Main charger unit
Drum (Y, M, C, K)
Replace parts
Drum motor (K)
e-STUDIO5540C/6540C/6550C/5560C/6560C/6570C
ERROR CODE and TROUBLESHOOTING
• Sensor check
(Perform the input check: 03-[ALL]OFF/[3])
• Connector check
• Harness check
• Sensor check
(Perform the input check: 03-[ALL]OFF/[4])
• Connector check
• Harness check
• Connector check (CN308)
• Harness check
Drum phase sensors (Color drum phase sensor and K drum
phase sensor) are not turned ON after the drum motor was
rotated for a specified period of time.
• Connector check (CN313, CN315)
• Motor check
(Perform the output check: 03-110)
• Connector check
• Harness check
• Motor check
(Perform the output check: 03-110)
• Connector check
• Driving section check (Is there any abnormality on the
rotation?)
• Harness check
• Sensor check
(Perform the input check: 03-[ALL]OFF/[9]/B)
• Connector check
• Harness check
• Sensor check
(Perform the input check: 03-[ALL]OFF/[9]/A)
• Connector check
• Harness check
• Cleaning blade check (Check if it turns up.)
• Needle electrode check
• Drum check (Check if the aluminum section of the drum
flange is worn out.)
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Measures
Remarks
Error item
Measures
Remarks