Canon MP480 series, On-Screen Manual

Page: 70 / 681

Advanced Guide Troubleshooting
Contents
> Routine Maintenance >
When Printing Becomes Faint or Colors Are Incorrect
> Examining the Nozzle Check
Pattern
Examining the Nozzle Check Pattern
Examine the nozzle check pattern, and clean the Print Head if necessary.
1.
Check if there are no missing lines in the pattern (1) or no horizontal white streaks in
the pattern (2).
(A) No missing lines/No horizontal white streaks
(B) Lines are missing/Horizontal white streaks are present
2.
Select the pattern that is closer to the printed nozzle check pattern on the Check
patterns screen.
For (A) (no missing lines or no horizontal white streaks) in both (1) and (2):
Select All A and press the
OK
button.
The cleaning is not required.
The screen returns to the Maintenance screen.
For (B) (lines are missing or horizontal white streaks are present) in (1) or (2):
(1)
Select Also B and press the
OK
button.
Clean the Print Head. The cleaning confirmation screen appears.
(2)
Select Yes and press the
OK
button.
The machine starts cleaning the Print Head.
See
Cleaning the Print Head .
Page 70 of 681 pages Examining the Nozzle Check Pattern