Canon i470D Quick Start Manual page 23

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Press the Set button.
The screen for selecting a pattern in column B ("b")
appears.
To cancel an operation, press the Maintenance
button and retry the procedure from the beginning.
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Repeat the above procedure to
determine the pattern numbers (+7 to –
3) of the checked patterns in columns B
through E and the pattern numbers (+5
to –5) of the checked patterns in
columns F through K.
When pattern numbers have been determined up to
column K, maintenance mode number "04" is displayed
again and head alignment is complete.
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Press the Maintenance button.
You can exit the maintenance mode.
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