Canon MX520 series Online Manual page 104

Note
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable vertical
streaks.
(A) Least noticeable vertical streaks
(B) Most noticeable vertical streaks
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable
horizontal streaks.
(A) Least noticeable horizontal streaks
(B) Most noticeable horizontal streaks
9. Confirm the displayed message and click OK
The second pattern is printed.
10. Check the printed pattern
Enter the numbers of the patterns with the least amount of streaks in the associated boxes, and click
OK.