Canon 3743B002 Basic Manual page 64

5.
Scan the print head alignment sheet to adjust the print head position.
Load the print head alignment sheet on the Platen Glass.
(1)
Load the print head alignment sheet WITH THE PRINTED SIDE FACING DOWN and align the mark
upper left corner of the sheet with the alignment mark
Close the Document Cover gently, make sure that U (uppercase "U") appears
(2)
on the LED, then press the Black or Color button.
The machine starts scanning the print head alignment sheet, and the print head position will be adjusted
automatically.
When adjusting the print head position is completed, the LED returns to the copy standby mode. Remove the
sheet on the Platen Glass.
.
on the