Service manual

FrameMaker Ver.5.5(PC) EP1054/EP1085/EP2030 TROUBLESHOOTING
98.05.15
T- 3 3
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 malfunc-
tion codes and the description and possible causes of each malfunction.
•
Malfunctions can be reset by the following procedure.
Malfunction Resetting Procedure
• Open and close the Front Door. The Trouble Reset Switch must be pressed after the
Power is switched ON to reset the malfunction of the Fusing and Exposure Lamp Sec-
tions.
• Disconnect and connect the option or open and close the option door for malfunctions of
options.
✽
Copier/Paper Feed Cabinet (Option)
4 MALFUNCTIONS
4-1. Self-Diagnostic Function
Code Description Detection Timing
Drive
C0000 Main Drive Motor's
failure to turn
The lock signal remains HIGH for a continuous 1
second or more period while M2 is energized.
C0001 Main Drive Motor turn-
ing at abnormal timing
The lock signal remains LOW for a continuous 1
second or more period while M2 is deenergized.
C0010 PC Drive Motor's failure
to turn
The lock signal remains HIGH for a continuous 1
second or more period while M1 is energized.
C0011 PC Drive Motor turning
at abnormal timing
The lock signal remains LOW for a continuous 1
second or more period while M1 is deenergized.
C004C Cooling Fan Motor's
failure to turn
The lock signal remains HIGH for a continuous 3
second or more period while M9 is energized (it
turns at high speed).
C0070 Toner Replenishing
Motor's failure to turn
•
Toner Hopper Home Position Sensor PC112
does not go from LOW to HIGH within 12 sec-
onds after M8 has been energized.
•
PC112 does not go LOW within 12 seconds
after M8 has been energized and PC112 gone
HIGH.
C0071 Toner Replenishing
Motor turning at
abnormal timing
PC112 is HIGH 2 seconds after M8 has been de
energized.
Zoom Ratio Indicator Multi-Copy Display
C0
×××
××××××
×××
Represents the detail of the malfunction.
Indicates the particular malfunctioning part of the
greater physical unit.
Indicates the malfunctioning physical unit.