Service manual

T- 2 9
4. MALFUNCTIONS
The copier’s CPU is equipped with a self-diagnostics function that, on detecting a malfunc-
tion, gives the corresponding malfunction code on the Touch Panel.
Resetting a Malfunction
• Press the Trouble Reset Switch on the Tech. Rep. Setting Switches Board to reset fusing-
and Exposure Lamp-related malfunctions.
• For any other malfunctions, open and close the Front Door or turn OFF and ON the
Power Switch.
4-1. Detection Timing by Malfunction Code
Code Description Detection Timing
C0000 Fusing Motor’s failure to
turn
• The Lock signal remains HIGH for a continuous
period of 1.5 sec. or more after the lapse of 10 sec.
after the motor has started turning.
• The Lock signal remains LOW for a continuous
period of 1.5 sec. or more after the lapse of 10 sec.
after the motor has stopped turning.
C0010 PC Drum Drive Motor’s
failure to turn
• The Lock signal remains HIGH for a continuous
period of 1.5 sec. or more after the lapse of 10 sec.
after the motor has started turning.
• The Lock signal remains LOW for a continuous
period of 1.5 sec. or more after the lapse of 10 sec.
after the motor has stopped turning.
C0040 Suction Fan Motor’s fail-
uretoturn
The Lock signal remains HIGH for a continuous period
of 1.5 sec. or more after the lapse of 10 sec. after the
motor has started turning at high speed.
C0042 Fusing Unit Cooling Fan
Motor’s failure to turn
The Lock signal remains HIGH for a continuous period
of 1.5 sec. or more after the lapse of 10 sec. after the
motor has started turning at high speed.
C0044 EDH Fan Motor malfunc-
tion
See the relevant option service manual.
C0045 IR Cooling Fan Motor
malfunction
The Lock signal remains HIGH for a continuous period
of 1.5 sec. or more after the lapse of 10 sec. after the
motor has stopped turning.
C0046 PH Cooling Fan Motor 1
malfunction
The Lock signal remains HIGH for a continuous period
of 1.5 sec. or more after the lapse of 10 sec. after the
motor has started turning.
C0047 PH Cooling Fan Motor 2
malfunction
The Lock signal remains HIGH for a continuous period
of 1.5 sec. or more after the lapse of 10 sec. after the
motor has started turning.
C0049 Paper source option Ver-
tical Transport Cooling
Fan Motor malfunction
See the relevant option service manual.