Canon PIXMA MX850 Quick Start Guide - Page 127

Look at the third printout, and then adjust the print head position., For columns U and V

Page 127 highlights

7 Look at the third 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 P that has the least noticeable vertical streaks. (2) Repeat the same procedure until you finish inputting the pattern number for columns Q to V, then press the OK button. For columns U and V, the best patterns will be smooth and have no streaks in the border indicated by the arrows. Note If it is difficult to pick the best pattern, pick the setting that produces the least noticeable horizontal white streaks. (C) (D) (C) Less noticeable horizontal white streaks (D) More noticeable horizontal white streaks (3) Confirm the displayed message and press the OK button. The fourth pattern is printed. Routine Maintenance 123

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123
Routine Maintenance
7
Look at the third 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 P that has the least noticeable vertical
streaks.
(2)
Repeat the same procedure until you finish
inputting the pattern number for columns Q to
V, then press the
OK
button.
For columns U and V, the best patterns will be
smooth and have no streaks in the border
indicated by the arrows.
(3)
Confirm the displayed message and press the
OK
button.
The fourth pattern is printed.
Note
If it is difficult to pick the best pattern, pick the setting that produces the least noticeable
horizontal white streaks.
(C) Less noticeable horizontal white streaks
(D) More noticeable horizontal white streaks
(C)
(D)