Oki ES9160 Maintenance Manual page 597

8.3.9 Drive system related service call
[C010] Main motor is abnormal
Classification
Drive system related service call
Proce
Check item
dure
1 Is the main motor
working? (Perform the
output check in the test
mode: 03-101/151)
2 Are there any damage or
scratches on the main
motor board?
3 LGC board
Parts to be replaced
Main motor
LGC board
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Error content
Main motor is abnormal
Result
Yes
No 1. Check if the connector CN1 of the main
motor is disconnected.
2. Check if the connector CN308 on the LGC
board is disconnected.
3. Check if the connector pins are
disconnected and the harnesses are open
circuited.
4. Check if the conductor patterns on the main
motor board and LGC board are short
circuited or open circuited.
5. Replace the main motor.
6. Replace the LGC board.
Yes
No 1. Check if the connector pins are
disconnected and the harnesses are open
circuited.
2. Check if the conductor patterns on the main
motor board and LGC board are short
circuited or open circuited.
3. Replace the main motor.
4. Replace the LGC board.
1. Check if the PLL lock signal CN308-8
output from the LGC board is always level
"L"?
2. Check if the voltage supplied to the CPU
input terminal IC22-98 is always "L"?
3. Replace the LGC board.
8 - 117
Measure
Remark
ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
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