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Probable cause
Punch motor clock sensor (S37)
abnormality
Faulty cables and connectors
Hole punch control PC board (HP)
abnormality
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Checking and measures
Measure the voltage on pin CN3.6 on the hole punch control
PC board (HP). Then check that the measured voltage is 1V or
lower when not shielded and within the range of 5V±5% when
shielded. If the voltage does not fall within the range mentioned,
replace the sensor.
Check if the electrical continuity between the connector
terminals is normal. If electricity is not conducted, replace the
connector. (Hole punch control PC board (HP): CN3, CN6)
If the error still occurs after replacing the motor, sensors and
connectors, exchange the hole punch control PC board (HP).
8 - 87
ES9160 MFP / ES9170 MFP
ERROR CODE AND TROUBLESHOOTING
8
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