Canon i470D Series, Руководство по обслуживанию

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