Image Adjustment
D0CA/D0C9/D0C8/D0CB 4-246 SM
4.20 IMAGE ADJUSTMENT
4.20.1 HOW TO USE THE COLOR CHARTS
Here is an introduction of how to check the image quality using the color charts.
No. Check
Area
Check Item Description
1 Frame line Registration
amount
Check the registration amount of the leading edge and
trailing edge (sub scan direction). Overlay the chart and
the copy, then check that the frame lines of the side [A]
and leading edge [B] do not deviate.
Margin length Check the margin length of the leading edge and trailing
edge (sub scan direction). Overlay the chart and the copy,
then check the erased length [A] (margin length).
Perpendicularity Fold the paper, and check the deviation of the
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