Problems due to machine malfunction
Check
ADF
Document rear
sensor
ADF motor
Main PCB
Possible causes
The spring plates of the ADF parts
are deformed.
The ADF parts are deformed or
worn.
- The document rear sensor is
defective.
- The document rear sensor
actuator is deformed.
The ADF motor does not rotate.
The motor driver IC is defective.
4 - 3 1
Problems that may result
Documents will stop halfway
through feeding.
Two or more sheets of
documents will be fed through
at once.
Documents will stop halfway
through feeding or the machine
will not be able to recognize
them.
Documents will not be able to
be drawn in.
Documents will not be able to
be drawn in.
Confidential