Troubleshooting Index - Canon MultiPASS C755 Service Manual

MultiPASS C755 Chapter 3: Maintenance & Service
4. TROUBLESHOOTING

4.1 Troubleshooting Index

For troubleshooting, use the troubleshooting index below to investigate the cause of the problem and refer
to the specified page for countermeasures.
Problem
• Errors shown on the display (Evaluation criteria: Look at the unit in question.)
• The error message can be checked.
• The error code can be checked.
• General errors
• The unit does not power on.
• The display looks abnormal.
• The buttons do not work.
• No sound from the speaker
• Printing problem (Evaluation criteria: Test printing is no good.)
• The paper is not fed properly.
The paper feed motor does not run.
The paper is not picked up from the auto sheet feeder.
• The printing operation is abnormal.
Nothing is printed.
The carriage motor does not run.
• Printing quality error
(Evaluation criteria: Look at the printing result.)
The printer does not at all.
Printing stop midway.
Certain colors are not printed.
Blotches appear.
Blank ink appear.
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Page 3-22.
Page 3-30.
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