Canon PIXMA iP8750 - Manual (Page 100)

Cleaning the Print Heads from Your Computer
After cleaning the print head, print and examine the nozzle check pattern: Step1
If the problem is not resolved after performing from step 1 to step 3 twice:
Step4 Clean the print head deeply.
From the computer
Cleaning the Print Heads from Your Computer
Note
• When you have performed the procedure until step 4 and the problem has not been resolved, turn off
the power and clean the print head deeply again after 24 hours.
If the problem is still not resolved, the print head may be damaged. Contact the service center.
When the Print Results Are Not Even such as the Ruled Lines Are
Misaligned:
Step Align the print head.
From the printer
Aligning the Print Head
From the computer
Aligning the Print Head Position from Your Computer
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