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MultiPASS MP730/MP700 Chapter 4: Maintenance and 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 keys 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
The printer does not at all.
Printing stop midway.
Certain colors are not printed.
Blotches appear.
Blank ink appear.
Scanning problem (Evaluation criteria: Test printing is good, but the copied
image is no good.)
The document is not fed.
The document feed motor does not run.
The document slips against the rollers.
The document does not separate.
Faulty scanner unit's sensors
The scanning image is abnormal.
Nothing is printed.
The image has vertical stripes.
The half-tone image contains black dots.
The color or brightness of the scanned image is not normal.
Page 4-12.
Page 4-18.
Page 4-26.
Page 4-27
Page 4-27
Page 4-28
Page 4-29
Page 4-30
4-10
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