Canon PIXMA MX850 Series Quick Start Manual page 128

8
Look at the fourth printout, and then adjust the print head position.
(1) Check the printed patterns, and use the [ or
] button to input the number of the pattern in
column a that has the least noticeable
horizontal streaks.
Note
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable
horizontal white streaks.
(E)
(E) Less noticeable horizontal white streaks
(F) More noticeable horizontal white streaks
(2) Repeat the same procedure until you finish inputting the pattern number for columns b to
k, then press the OK button.
124 Routine Maintenance
(F)