Canon 4204B019AA User Manual page 735

1. Load the print head alignment sheet on the Platen Glass.
Load the print head alignment sheet WITH THE PRINTED SIDE FACING DOWN and align the
mark on the upper left corner of the sheet with the alignment mark (
Note
The print head alignment sheet cannot be scanned if it is loaded in the ADF.
2. Close the Document Cover gently, then press the Color or Black 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, remove the print head alignment sheet on
the Platen Glass.
Important
Do not open the Document Cover or remove the print head alignment sheet on the Platen
Glass until adjusting the print head position is completed.
If adjusting the auto print head position has failed, Failed to scan the head alignment
sheet is displayed on the LCD.
An Error Message Is Displayed on the LCD
Note
If the print results are still not satisfactory after adjusting the print head position as
described above, adjust the print head position manually from the computer.
Aligning the Print Head Position
To print and check the current head position adjustment values, select Print head align
value in the Maintenance menu.
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