Canon MX450 Series Online Manual page 344

Be careful not to get the print head alignment sheet dirty. If the sheet is stained or wrinkled, it may not be
scanned properly.
(4) When the message "Are the patterns fine?" appears, confirm that the pattern is printed
correctly, select Yes, then press the OK button.
5. Scan the print head alignment sheet to adjust the print head position.
(1) Confirm the message, then 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
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 (Auto Document Feeder).
(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 complete, remove the print head alignment sheet on the platen glass.
Important
Do not open the document cover or move the print head alignment sheet on the platen glass until adjusting
the print head position is complete.
If the error message appears on the LCD, press the OK button to release the error, then take appropriate
action.
A Message Is Displayed
Note
To access other available functions, use the mode buttons.
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 from Your Computer
To print and check the current head position adjustment values, select Print align value from the Maintenance
menu.
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