Canon imageCLASS MP390, User Manual, Page: 132 / 189

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Maintenance Chapter 13
Confirming the nozzle check pattern
This section describes how to confirm the nozzle check pattern and print head position pattern.
NOTE
• If the ink level is low, the nozzle check pattern is not printed correctly. If the ink level is low, replace the
relevant ink tank. (See page 124.)
z
If the lines are broken, or white lines are present in pattern :
1. Clean the print head. (See page 131.)
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If the pattern is not uniform:
1. Align the print head. (See page 132.)
z
If white vertical lines are obvious in pattern :
1. Align the print head. (See page 132.)
Broken lines White lines
Not uniform Uniform
White lines
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