Canon MX490 series Online Manual page 173

7. Close the document cover gently, 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 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
• 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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