Canon PIXMA iP2850 - Manual (Page 63)

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 cleaning the print head twice:
Step4 Clean the print head deeply.
From the computer
Cleaning the Print Heads from Your Computer
If the problem is not resolved, turn off the power and clean the print head deeply again after 24 hours.
If the problem is still not resolved:
Step5 Replace a FINE cartridge.
Note
• If the problem is still not resolved after replacing the FINE cartridge, 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 computer
Aligning the Print Head Position from Your Computer
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