Canon imagePROGRAF iPF820, User Manual, Page: 561 / 702

Adjusting the Printhead
8.
Examine test pattern D-1 for printhead adjustment and determine the number of the pattern
with straight lines.
Note
•
If lines seem straightest in two patterns but you cannot decide which one is better, choose an
intermediate value. For example, choose 11 if you cannot decide whether pattern 10 or 12 is better.
9.
Press ▲ or ▼ to select the pattern number, and then press the OK button.
10.
Repeat steps 7 and 9 to specify the adjustment value for D-2 to D-5 and D-7 to D-11 .
11.
Press the ◄ button.
12.
Press ▲ or ▼ to select Register Setting , and then press the ► button.
13.
Press ▲ or ▼ to select Yes , and then press the OK button.
The adjustment value is now registered, and adjustment is complete.
Adjustments for Better Print Quality 547