Scanning Does Not Start - Canon imageFORMULA DR-X10C Service Manual

CHAPTER 5 TROUBLESHOOTING

3. Scanning Does Not Start

Note: Scanning may not start when a "cover open" or "no document" error messsage is dis-
played due to a sensor problem.
Cause/faulty
location
System
Software
Connector
connection
Drive transmission
system
Motor, clutch
Sensor
Main drive PCB
Control PCB
5-30
Step Check item
1 Is the problem solved when the
scanner power is reset and the
computer is restarted?
2 Is the problem solved when the
scanner driver and the application
are reinstalled?
3 Are the motor and sensor con-
nectors connected properly?
4 Is the transmission system
driven by the motor normal?
Are such parts as gears and
belts normal?
5 Is the operation normal when
checking the operation in the
service mode?
6 Is the operation normal when
checking the operation in the
service mode?
7 Is the problem solved when
these PCBs are replaced?
Table 5-503
COPYRIGHT © CANON ELECTRONICS INC. 2008
Result Action
YES End.
YES End.
NO Connect them properly.
NO Attach the parts properly.
Replace needed parts.
NO Check the cable connec-
tions.
Replace needed parts.
NO Check the attachment of
the sensor, light guide and
lever.
Check the cable connec-
tions for the sensor.
YES End.
CANON DR-X10C FIRST EDITION