Canon MP390 Guía Del Usuario
116
Maintenance
Chapter 12
Confirming The Nozzle Check Pattern
This section describes how to confirm the nozzle check pattern and the 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 110)
relevant ink tank. (See page 110)
z If the lines are broken, or white lines are present in pattern
:
1. Clean the print head. (See page 117)
z If the pattern is not uniform:
1. Align the print head. (See page 118)
z If white vertical lines are obvious in pattern
:
1. Align the print head. (See page 118)
Broken lines
White lines
Not uniform
Uniform
White lines
1
2
3