Canon PIXMA MG5500 series Online Manual page 177

When you have entered all the necessary values, click OK.
Note
If it is difficult to pick the best pattern, pick the setting that produces the least
noticeable horizontal stripes.
(A) Least noticeable horizontal stripes
(B) Most noticeable horizontal stripes
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
Note
To print and check the current setting, open the Start Print Head Alignment dialog
box, and click Print Alignment Value.
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