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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.
Printing is incorrect.
No ejection of black ink.
Graphic or text is enlarged on printouts.
No scanning.
Faulty scanning
Streaks or smears on the scanned image.
*1
- print head
.
- Remove foreign material from the purge unit caps, if any.
- Replace the
- purge unit, or
- logic board.
- Remove and re-install the print head.
- Confirm that the ink tanks are installed properly.
- Perform print head maintenance.
- 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 front feeder paper feed rollers.
- Replace the
- ink tank, or
*1
- print head
.
- Confirm that the ink tanks are installed properly.
- Perform print head maintenance.
- Replace the
- ink tank, or
*1
- print head
.
- Perform print head alignment.
Replace the logic board.
- Confirm that the ink tanks are installed properly.
- Perform print head maintenance.
- Replace the
- ink tank, or
*1
- print head
.
- Remove foreign material from the purge unit caps, if any.
- Replace the purge unit.
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:
- Clean grease or oil off the timing slit disk film.
- Replace the
- timing slit disk film,
- timing sensor unit,
- LF roller, or
- logic board.
- Confirm the connection between the scanning unit and the logic
board.
- Replace the
- scanning unit, or
- logic board.
- Clean the platen glass.
- Confirm the connection between the scanning unit and the logic
board.
1-9

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