Canon PIXMA MG5550 Series Online Manual page 60

If Print Head Deep Cleaning does not resolve the problem, the print head may be damaged. Contact the
service center.
Perform Print Head Alignment.
Check3
Aligning the Print Head
Note
• If the problem is not resolved after performing the Print Head Alignment, perform Print Head Alignment
manually referring to Aligning the Print Head Position from Your Computer.
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