CHAPTER 6 TROUBLESHOOTING
6-40
I-11 Faulty registration
Possible cause Step Check Result Remedy
Excessive paper
load
1 Is the paper loaded in the
paper tray more than 27mm
high?
Yes Instruct the user to keep paper
loads below 27mm in depth.
Paper 2 Is the specified weight of the
recommended paper being
used?
No Recommended to use the
specified types of paper.
3 Is the first printing position
within ±1mm of the tolerance
specification?
Yes Adjust the Y offset by using the
utility software supplied.
Rear registration
sensor position
incorrect
4 Is the rear registration sensor
off from the correct position?
Yes Reposition the sensor to the
correct position.
I-12 Poor fixing
Possible cause Step Check Result Remedy
Paper 1 Is thick paper of more than 158
g/m
2
being used?
Yes Recommend to use the
specified types of paper.
Toner sensor
failure
2 Is the problem solved by
replacing the drum unit or the
toner cartridge?
Yes 1) If toner is out, replace the
toner cartridge.
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.
Low-voltage
power supply
PCB failure
4 Is the problem solved by
replacing the low-voltage
power supply PCB?
Yes Replace the low-voltage power
supply PCB.
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General
Weight and Dimensions
