Table of Contents
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Symptom
Hollowing out
Hat image
Unfused copy
Is the paper damp ?
Y
N
I
• Clean the transfer corona wire.
• Replace the power pack if problem not solved.
Replace the paper
Does the quenching lamp turn on ?
Y
Does the lamp receive power and the trigger signal from the UIB ?
Y
Replace the UIB or FCU
Replace the lamp.
• Check that the charge corona wire is correctly installed.
• If the problem still occurs, change the power pack.
• Clean the thermistor.
• Change the pressure roller springs.
• Replace the thermistor or fusing unit, or the UIB, FCU, or PSU.
Follow the fusing unit control circuit in Appendix F.
Action
9 - 25
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