COPYRIGHT © 2005 CANON ELECTRONICS INC. CANON DR-2580C FIRST EDITION APR. 2005
5-17
CHAPTER 5 TROUBLESHOOTING
2
Computer does not recognize the machine
Cause/Faulty
location
Step Check
Item Result Action
Power supply
1 Is the power supplied to the
machine?
NO Perform
the
actions
in
section 1: “No power.”
Connection of
USB interface
cable
2 Is the USB interface cable
properly connected?
NO
Connect it properly.
Computer, I/F card
5
Are the computer and I/F card
set properly?
NO
Use them properly.
Table 5-402
3
Motors do not operate
Cause/Faulty
location
Step Check
Item Result Action
Power supply
1 Is the power supplied to the
machine?
NO Perform the actions in
section 1: “No power.”
Connectors
2
Are the connectors for the mo-
tor connected properly?
NO
Connect them properly.
Transmission
system load
3 Is the transmission system
driven by the motor normal?
Are such parts as gears and
belts normal?
NO Remove the abnormal
load.
Replace needed parts.
4 Is the operation normal when
checking the sensor detection
display in the service mode?
NO
Replace the sensor.
Sensor
5
Is the problem solved when per-
forming “Document Sensor Ad-
justment” in the service mode?
YES End.
Motor
6 Is the operation normal when
checking the operation in the
service mode?
NO
Replace the motor.
Control PCB
7
Is the problem solved when the
control PCB is replaced?
YES End.
Table 5-403
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