List Of Error Display / Indication; Users Error Messege - Canon PIXMA MP750 Service Manual

2. LIST OF ERROR DISPLAY / INDICATION

User error messages
Look for the applicable error message and execute the appropriate countermeasures.
Error Codes
As for the causes and countermeasures, only the error codes that are newly incorporated in the unit remedies
unique to the product are included in New Error Codes and Recovery Methods. For the causes and
countermeasures of other error codes, refer to the separate G3/G4 Facsimile Error Code List (Rev. 2).
Service error code output
When service data #1 SSSW SW01 Bit0 is set to "1", the following service error codes are displayed when
an error occurs.
2-1 User's error messege
"CARTRIDGE JAMMED"
Printing position correction failed
Cause: Carriage movement prevented by one of the following.
Damaged shaft.
Parts deformed. (Carriage or guide frame)
Insufficient grease.
Solution: Replace the shaft.
Replace the deformed parts.
Apply more grease.
Cause: Bi-directional print displacement correction failed because the carriage motor is
out of step, or some similar reason.
Solution: Replace the carriage motor.
Home position error
Cause1: Tried to stop the carriage unit that has been moving or to move the carriage unit at a pouse by
force.
Solution1: Do not touch the carriage unit other than cartridge replacement position.
Cause2: Foreign body in carriage section.
Solution2: Open flatbed ass'y and remove the foreign body.
Cause3: Loose carriage belt.
Solution3: Replace carriage unit
Cause4: Carriage motor does not work.
Solution4 (1) Switch power OFF/ON.
(2) Replace carriage motor.
Cause5: The position of the carriage cannot be detected (due to smears on the carriage
encoder film or SPCNT board failure).
Solution5: (1) Switch power off/on.
(2) Wipe the carriage encoder film with a cloth soaked with alcohol.
(3) Replace the carriage encoder film.
(4) Replace the SPCNT board.
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