Canon Pixma iP4300 - Manual (Page 57)

53 Routine Maintenance
13
In the same way, select the best patterns for
each column, enter their numbers, then click
Send.
Columns G to J are striped vertically and columns
K and L are striped horizontally. For Columns K
and L, the best patterns will be smooth and have
no streaks in the border indicated by the arrows.
(A) Less noticeable white streaks
(B) More noticeable white streaks
14
When the confirmation message is displayed,
click OK.
Note
If it is difficult to pick the best pattern, pick the setting
that produces the least noticeable vertical white
streaks.
Important
Do not open the Top Cover while printing.
(A) (B)