Canon iPF780 User Manual page 527

iPF780
A test pattern is printed for adjustment.
Do not touch the Linear Scale (a) or Carriage Shaft (b).
•
Touching these parts may damage them.
Important
• If you accidentally move the Carriage, you will hear a warning tone. In this case, close the Top Cover.
8
Examine the test pattern for adjustment. Determine the
straightest set of lines.
9
Open the Top Cover and move the Angle Adjustment Lever to
match the number (or the square) of the straightest set of lines.
If no single set of lines is perfectly straight, move the Angle Ad-
justment Lever to a position between the numbers (or between
the number and the square) of the two sets of lines that are
least misaligned.
10
Close the Top Cover.
The Printhead is now straight, and adjustment is complete.
User's Guide
Adjusting Line Misalignment
527