Canon DR-2580C Service Manual page 121

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