Canon 4205B002 User Manual page 827

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 head alignment sheet. is
displayed on the LCD.
An Error Message Is Displayed on the LCD
3. When the completion message is displayed, press the OK button.
The screen will return to the Maintenance screen.
When adjusting the print head position is completed, remove the print head alignment sheet on
the Platen Glass.
Note
Press the corresponding mode button to use other functions.
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 the head
alignment value on the Maintenance screen.
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