Canon MX700 - Page 15

operation of the ADF motor). - 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
No sound from the speaker. - Confirm the connection between the speaker and the logic
board.
- Replace the
- speaker, or
- logic board.
Unsatisfactory print quality No printing, or no color ejected. - Confirm that the ink tanks are installed properly.
- Perform print head maintenance.
- Replace the
- ink tank, or
- print head
*1
.
- Remove foreign material from the purge unit caps, if any.
- Replace the
- purge unit, or
- logic board.
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.
- Remove and re-install the print head.
- Confirm that the ink tanks are installed properly.
- Perform print head maintenance.
- Replace the
- ink tank,
- print head
*1
- purge unit, or
- logic board.
Paper gets smeared. - Feed several sheets of paper.
- Perform bottom plate cleaning.
- Clean the paper path with a cotton swab or cloth.
- Clean the rear tray paper feed rollers.
- Clean the front tray paper feed rollers.
A part of a line is missing on printouts. - Replace the
- ink tank, or
- print head
*1
.
Color hue is incorrect. - Confirm that the ink tanks are installed properly.
- Perform print head maintenance.
- Replace the
- ink tank, or
- print head
*1
- Perform print head alignment.
Printing is incorrect. Replace the logic board.
No ejection of black ink. - Confirm that the ink tanks are installed properly.
- Perform print head maintenance.
- Replace the
- ink tank, or
- print head
*1
.
- Remove foreign material from the purge unit caps, if any.
- Replace the purge unit.
Graphic or text is enlarged on printouts.
When enlarged in the carriage movement direction:
- Clean grease or oil off the timing slit strip film.
- Replace the
- timing slit strip film,
- carriage unit, or
- logic board.
When enlarged in the paper feed direction:
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