Canon PIXMA MP170 Service Manual page 16

print quality Color hue is incorrect.
Printing is incorrect.
No ejection of black ink.
Graphic or text is enlarged on
printouts.
No scanning.
Streaks or smear on the scanned
Faulty scanning
image.
*1: Before replacement of the logic board ass'y, check the waste ink amount, and re-set the waste ink amount value
on the replaced logic board.
[See Section 3-3. Adjustment / Settings, (7) Service mode, for details.]
*2: Replace the print head only after the print head deep cleaning is performed 2 times, and when the problem
persists.
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<Part 1: 2. LIST OF ERROR DISPLAY / INDICATION>
Replace the
*2
- ink cartridge , or
perform print head alignment.
Replace the logic board ass'y
Replace the ink cartridge(s)
When enlarged in the carriage
movement direction, clean grease or oil
off the timing slit strip film, or replace
the
- timing slit strip film,
- carriage unit, or
*1
- logic board ass'y .
When enlarged in the paper feed
direction, clean grease or oil off the
timing slit disk film, or replace the
- timing slit disk film,
- timing sensor unit, or
*1
- logic board ass'y .
- Confirm the connection between the
scanner unit and the logic board ass'y.
- Replace the
- scanner unit, or
- logic board ass'y.
- Clean the platen glass.
- Confirm the connection between the
scanner unit and the logic board ass'y.
- Replace the
- scanner unit,
- logic board ass'y, or
- document pressure sheet.
1-9
*1
.
*2
.
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