Operation Troubleshooting; Power Does Not Come On; No Scanner Is Found; Iv. Operation Troubleshooting - Canon imageFORMULA P-215 Service Manual

IV. OPERATION TROUBLESHOOTING

When an operation problem occurs, check the error message displayed on the display
connected to a computer. Also perform an operation check on the sensors and motor using the
service mode.

1. Power Does Not Come ON

The start button is not lit.
Cause/Faulty
Location
Connection of USB
cable
Pickup tray open-
ing/closing
USB hub
Pickup tray detec-
tion lever
Pickup tray switch
Control PCB
Start button LED
(start switch PCB)

2. No Scanner is Found

Note: If the Auto Start switch is "ON", this machine is recognized as a storage device
"ONTOUCHLITE" of the computer. If it is "OFF", it is recognized as a scanner.
Cause/Faulty
Location
Power Supply
Computer, I/F card
Driver
(If the Auto Start
switch is "OFF")
COPYRIGHT © CANON ELECTRONICS INC. 2011
Step Check Item
1 Is the USB cable connected?
2 Is the pickup tray open?
3 Is the USB hub used?
Bus power type cannot be
used.
Self power type can be used,
but it is not guaranteed.
4 Does the pickup tray detec-
tion lever move smoothly?
5 Was the problem solved by
replacing of control PCB?
6 Was the problem solved by
replacing of
PCB?
Table 5-301
Step Check Item
1 Is power supplied to the
machine?
2 Are the computer and I/F
card appropriate?
3 Is a "?", "!" or "x" mark dis-
played on this machine in the
Windows device manager?
Table 5-402
CANON P-215 FIRST EDITION
CHAPTER 5 TROUBLESHOOTING
Result
NO
NO
YES
NO
YES
YES
start switch
Result
NO
NO
YES
Action
Connect.
Open.
Remove.
Assemble properly.
Done.
Done.
Action
Perform "1. Power
Does Not Come ON".
Use appropriate
equipment.
Reinstall the driver.
5-19