3
MALFUNCTIONS
1. Self-Diagnostic Function
The copier CPU is capable of self-diagnosis of the copier conditions and, when detecting a
malfunction, it shows the corresponding malfunction code across the Zoom Ratio Indicator and
Multi-Copy Display. Each malfunction code indicates the particular part which has developed a
malfunction and the type of malfunction. A listing follows showing all malfunction codes and the
description and possible causes of each malfunction.
Zoom Ratio Indicator Multi-Copy Display
Represents the detail of malfunction.
Indicates the particular malfunctioning unit of
the greater physical unit.
Indicates the malfunctioning physical unit.
C
0
XX
X
*
Copier/Paper Feed Cabinet (Option)
Code Description Possible Cause
C0000 Main Drive Motor’s failure
to turn
•
Defective M2
•
Defective PWB-A
•
Overloaded rolls/roller, gear, and belt
C0001 Main Drive Motor turning
at abnormal timing
•
Defective M2
•
Defective PWB-A
C0010 PC Drive Motor’s failure to
turn
•
Defective M1
•
Defective PWB-A
•
Overloaded gear
C0011 PC Drive Motor turning at
abnormal timing
•
Defective M1
•
Defective PWB-A
C004C Cooling Fan Motor’s
failure to turn
•
Defective M9
•
Defective PWB-A
C004E Power Supply Unit
Cooling Fan Motor’s
failure to turn
•
Defective M10
•
Defective PWB-A
C0070 Toner Replenishing
Motor’s failure to turn
•
Defective Toner Hopper Position Sensor PC112
•
Defective M8
•
Defective PWB-A
C0071 Toner Replenishing Motor
turning at abnormal timing
•
Defective Toner Hopper Position Sensor PC112
•
Defective M8
•
Defective PWB-A
Drive
T-35
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