Canon MultiPASS C5000 Service Manual page 120

"CARTRIDGE
Printing position correction failed
Carriage movement prevented by one of the following.
Cause:
Damaged shaft.
Parts deformed. (Carriage or guide frame)
Insufficient grease.
Replace the shaft.
Countermeasure:
Replace the deformed parts.
Apply more grease.
Bi-directional print displacement correction failed because the
Cause:
carriage motor is out of step, or some similar reason.
Replace the carriage motor.
Countermeasure:
Home position error
Foreign body in carriage section.
Cause:
Open printer cover, and remove foreign body.
Countermeasure:
Loose carriage belt.
Cause:
Replace carriage belt.
Countermeasure:
Guide frame home position detection tabs is damaged or bent parts.
Cause:
Replace the damaged or bent parts.
Countermeasure:
Carriage motor does not work.
Cause:
(1) Switch power OFF/ON.
Countermeasure:
(2) Replace carriage motor.
Carriage position cannot be detected. (Home position sensor
Cause:
breakdown, or BJ controller malfunction)
(1) Switch power OFF/ON.
Countermeasure:
(2) Replace carriage cable with one that has a home position sensor
(3) Replace the PCNT board.
This error message means the same as service error codes ##338 and ##340.
When this error occurs in this model, it is not treated as a service error, but as
a user error, and the error message is displayed.
NOTE
attached.
3-17
Chapter 3: Maintenance & Service