Iv. Operation Troubleshooting - Canon DR-2580C Service Manual

CHAPTER 5 TROUBLESHOOTING
IV. OPERATION
TROUBLESHOOTING
When an operation problem occurs, first check for an "Error Messages" on the display con-
nected to the computer. In addition, check the operation of the various sensors, motors using the
"Service Modes."
1 No power
Note: The machine power indicator does not light.
Cause/Faulty lo-
cation
Connection of
power cord
AC power supply
voltage
Power switch
PCB unit (connec-
tion)
5-16
Step Check Item
1 Are the power cord and AC
adapter connected?
2 Is the specified voltage sup-
plied at the outlet?
3 Is the power switch turned
ON?
4 Is the control PCB connected
to the switch PCB connect?
5 Connect the power code and
turn the power lever sensor
ON.
Does the LED of the control
PCB light or blink properly?
6 Is the problem solved when the
switch PCB or control PCB is
replaced?
COPYRIGHT © 2005 CANON ELECTRONICS INC.
Result
YES
YES
Table 5-401
Action
NO Connect it properly.
NO Explain to the user that
the trouble is not with the
machine.
NO Turn the power switch
ON.
NO Connect it properly.
The power is supplied
properly.
Find out the other causes
such as sensors, motors,
etc.
End.
CANON DR-2580C FIRST EDITION APR. 2005