Troubleshooting - Canon MultiPASS C5000 Service Manual

Part 1: Facsimile
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
General errors
l
The unit does not power on. (Evaluation criteria: Look at the unit in question.)
l
The display lwks abnormal. (Evaluation criteria: Check it with the operation panel test.)
l
The keys do not work. (Fxxluation criteria: Check it with the operation panel test.)
l
. No sound from the speaker
Errors shown on the display (Evaluation criteria: Look at the unit in question.)
l
. The error message can be checked.
The error code can be checked.
l
Printing problem (Evaluation criteria: Test printing Is no good.)
l
The paper is not fed properly.
l
The paper feed motor does not run.
The paper is not picked up from the auto sheet feeder.
The printing operation is abnormal.
l
Nothing is printed.
The carriage motor does not run.
Printing quality error
l
(Evaluation criteria: Look at the printing result.)
Print is not clear.
Blurred or smudged characters.
Smudges appear on
Irregular print quality.
Print head needs cleaning.
Horizontal white stripes appear on some entirely black parts of the print.
Scanning problem (Evaluation criteria: Test printing is good, but the copied image is
l
no good.)
The document feed motor does not run.
The document slips against the rollers.
The document does not separntc.
Faulty scanner unil's sensors
The scanning image is nbnormnl.
l
Nothing is printed.
The image has thick vertical stripes.
The color or brightness of the scanned image is not normal.
back of printed page.
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Page 3-26.
Page 3-15.
Page 3-19.
Page 3-27.
Page 3-27.
Page 3-26.
Page 3-29.
Page 3-30.