Canon PIXMA MP170, Service Manual

Page: 16 / 70

*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.
print quality Color hue is incorrect. Replace the
- ink cartridge
*2
, or
perform print head alignment.
Printing is incorrect.
Replace the logic board ass'y
*1
.
No ejection of black ink.
Replace the ink cartridge(s)
*2
.
Graphic or text is enlarged on
printouts. 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
- logic board ass'y
*1
.
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
- logic board ass'y
*1
.
Faulty scanning
No scanning. - Confirm the connection between the
scanner unit and the logic board ass'y.
- Replace the
- scanner unit, or
- logic board ass'y.
Streaks or smear on the scanned
image. - 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.
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<Part 1: 2. LIST OF ERROR DISPLAY / INDICATION>
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