Confidential
9-38
I-12 Poor fixing
Possible cause
Step
Check
Result
Remedy
Print paper 1 Is thick paper of more than
43lb being used?
Yes Recommend to use the specified
types of paper.
Toner sensor
failure
(When
printing is
faint.)
2 Is the problem solved by
replacing the drum unit or
the toner cartridge?
Yes 1) Toner is empty.
2) The toner sensor is defective.
Clean the toner sensor.
3) If the wiper in the toner
cartridge is broken, replace the
toner cartridge with a new one.
Fixing unit
thermistor
failure
3 Is the thermistor fitted
correctly?
No Fit the thermistor correctly.
High-voltage
PS PCB
failure
4 Is the problem solved by
replacing the high-voltage
power supply PCB?
Yes Replace the high-voltage power
supply PCB.
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