4-10
Confidential
Check Items on the ADF Copy Chart
Check that the copied chart has none of the following defects.
A: Color blocks
- Patchy color
Note: Vertical streaks in color blocks are negligible.
B: Contrast charts 1, 2 and 3
- Black or white vertical streaks
- Patchy color
- Missing dots
C: Resolution chart
- Black or white vertical streaks
- Missing dots
D: Whole page
- Ghost (image printed on the blank area)
- Color horizontal streaks
- Black vertical band
ADF Copy Chart
A
C
B
Not used for
checking
scanning.
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