Canon Pixma MP530 Service Manual page 19

Unsatisfactory print quality No printing, or no color ejected.
Carriage movement problems (contact to
other parts, strange noise).
Faulty scanning (no scanning, strange
noise).
No paper feeding from the ADF (no
operation of the ADF motor).
No sound from the speaker.
Printing is faint, or white lines appear on
printouts even after print head cleaning.
Line(s) not included in the print data
appears on printouts.
Paper gets smeared.
A part of a line is missing on printouts.
Color hue is incorrect.
board.
- Replace the
- sheet feeder unit,
- cassette, or
- logic board.
- Confirm that the carriage timing slit strip film is free from
damage or grease.
- Clean the carriage timing slit strip film (with ethanol and
lint-free paper).
- Replace the
- carriage timing slit strip film, or
- carriage unit.
- Confirm the connection between the scanner unit and the
logic board.
- Replace the
- scanner unit, or
- logic board.
- Confirm the connection
- between the ADF motor and the ADF PWB, and
- between the ADF PWB and the logic board.
- Replace the
- document feed unit, or
- logic board.
- Confirm the connection between the speaker and the logic
board.
- Replace the
- speaker, or
- logic board.
- Replace the
- ink tank,
*1
- print head , or
- logic board.
- Remove foreign material from the purge unit caps, if any.
- Replace the purge unit.
- Remove and re-install the print head.
- Replace the
- ink tank,
*1
- print head ,
- purge unit, or
- logic board.
- Feed several sheets of paper.
- Perform bottom plate cleaning.
- Clean the paper path with cotton swab or cloth.
- Clean the ASF sub-rollers.
- Replace the
- ink tank, or
*1
- print head .
- Replace the
- ink tank, or
*1
- print head .
- Perform print head alignment.
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