
COPYRIGHT © CANON ELECTRONICS INC. 2018 CANON DR-G2140/G2110/G2090 FIRST EDITION
5-43
CHAPTER 5 TROUBLESHOOTING
IV. OPERATION TROUBLESHOOTING
When an operation problem occurs, check the error message displayed on the display con-
nected to a computer. Also perform an operation check on the sensors and motors using the
service mode.
1. Power Does Not Turn ON
The display panel is mot lit.
Note:
Make sure to use the power cord supplied with the machine.
Cause/Faulty
Locations
Step
Check Item
Result
Action
AC
power
supply
voltage
1
Is the power outlet sup-
plying power at the rated
voltage?
NO
Explain to the user that this
is not a problem with the
machine.
Connection of power
cord
2
Is the power cord con-
nected?
NO
Connect the power cord
correctly.
Power cord
3
Does a replacing the
power cord fix the prob-
lem?
YES
End.
Operation panel
Sub-drive PCB
Control PCB
Power PCB
4
Does the LED on the
control PCB light when
turn the power ON?
YES
Power is supplied.
Check the Step 6.
NO
Check the step 5.
5
Is the cable connected?
YES
Check the step 6.
NO
Connect the cable cor-
rectly.
6
Is the problem solved by
replacing the PCB?
YES
End.
Table 5-401
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