Canon PIXMA MP170, Service Manual

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*1: Before replacement of the logic board ass'y, check the waste ink amount, and re-set the waste ink amount value
in the replaced logic board.
[See Section 3-3. Adjustment / Settings, (7) Service mode, for details.]
*2: The main waste ink absorber is separate from the platen waste ink absorber. In servicing, replace the waste ink
absorber which becomes full.
[See Section 3-3. Adjustment / Settings, (7) Service mode, for details.]
*3: Reset the waste ink counter when replacing the bottom case unit. The main and platen waste ink counters can be
reset separately.
[See Section 3-3. Adjustment / Settings, (7) Service mode, for details.]
2-3. Warnings
Machine (displayed on the LCD):
*1: If the warning is displayed, the carriage does not move to the ink cartridge replacement position when the
scanning unit is opened.
Continuous alternate
blinking ROM error - Logic board ass'y (MP170 QM2-3210,
MP450 QM2-3231)
*1
Lights in orange RAM error - Logic board ass'y (MP170 QM2-3210,
MP450 QM2-3231)
*1
Displayed warning Remarks
Low ink
Print head temperature rise If the print head temperature is high when the scanning unit is opened, the
warning is displayed.
*1
When the print head temperature falls, the warning is released.
Protection of excess rise of the print head
temperature If the print head temperature exceeds the specified limit, a Wait is inserted
during printing,
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