Canon PIXMA MG4200 Series On-Screen Manual page 141

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Examining the Nozzle Check Pattern
C099
Examining the Nozzle Check Pattern
Examine the nozzle check pattern, and clean the print head if necessary.
1.
Check if there are missing lines in the pattern
pattern (2).
(A) No missing lines/No horizontal white streaks
(B) Lines are missing/Horizontal white streaks are present
(C) Number of sheets printed so far
2.
Select the pattern that is closer to the printed nozzle check pattern on the
confirmation screen.
For (A) (no missing lines or no horizontal white streaks) in both the pattern
(1) The cleaning is not required. Select All A, then press the OK button.
(2) Confirm the message, then press the OK button.
> Maintenance > When Printing Becomes Faint or Colors Are Incorrect
(1) or horizontal white streaks in the
(1) and pattern (2):
>