Canon i450 Simplified Manual page 8

4.3. Service test print
After repair, print the service test print, and confirm the following items:
<Print quality items>
- Check 1, top of form accuracy:
- Check 2, EEPROM information: Destination and waste ink counter shall be checked.
- Check 3, nozzle check pattern:
- Check 4, vertical straight lines:
- Check 5, halftone:
The line shall be within the paper.
Ink shall be ejected from all nozzles.
The lines shall not be broken.
There shall be no remarkable streaks or unevenness.
Check 5:
Halftone
8
Check 1:
Top of form accuracy
Check 2:
EEPROM information
(Refer to page 1-13.)
Check 4:
Vertical straight lines
Check3:
Nozzle check pattern