Canon i470D Quick Start Manual page 22

Aligning the Print Head – Operation Panel
20
1 1 1 1
Press the Maintenance button.
2 2 2 2
Press three times to display 04 on
the LCD.
3 3 3 3
Press the Set button.
The pattern is printed.
4 4 4 4
Observe the printed patterns and check
the pattern in which vertical stripes are
least noticeable.
If the patterns in column "H" are not uniform, select the
pattern in which white stripes are least noticeable.
Less noticeable
white stripes
5 5 5 5
Using
the pattern number (+7 to –3) of the
checked patterns in column A.
Move noticeable
white stripes
(cursor buttons), display