Canon PIXMA E474 - Manual (Page 47)

Step2 Examine the nozzle check pattern .
If there are missing lines or horizontal white streaks in the pattern:
Step3 Clean the print head.
From the printer
Cleaning the Print Head
From the computer
• For Windows:
Cleaning the Print Heads
• For Mac OS:
Cleaning the Print Heads
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 printer
Deep Print Head Cleaning
From the computer
• For Windows:
Cleaning the Print Heads
• For Mac OS:
Cleaning the Print Heads
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 the FINE cartridge.
Replacing a FINE Cartridge
Note
• If the problem is still not resolved after replacing the FINE cartridge, contact your nearest Canon
service center to request a repair.
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