Canon i455 Series Quick Start Manual page 42

Printing Maintenance
4
Align the Print Head.
(1) Look at the print out. From the patterns, select the most even, least irregular
patterns and enter the number that corresponds.
Note
Less noticeable white stripes
(4) When the confirmation message is displayed, click OK
38
If it is difficult to pick up the best pattern on Column H, pick the setting
that produces the least noticeable vertical white stripes.
(2)
Enter the numbers.
(3)
Click OK OK. OK OK
More noticeable white stripes
OK.
OK OK