Canon iPF650 - imagePROGRAF Color Inkjet Printer User Manual page 625

7.
Align the Angle Adjustment Lever with the red square and close the Top Cover.
A test pattern is printed for adjustment.
Important
•
Do not touch the Linear Scale (a) or Carriage Shaft (b). Touching these parts may damage them.
•
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 Adjustment Lever to a position
between the numbers (or between the number and the square) of the two sets of lines that
are least misaligned.
Adjusting the Printhead
Adjustments for Better Print Quality 609