Appendix 1 Drop-Out Color - Fujitsu fi-4860C Operator's Manual

APPENDIX 1 DROP-OUT COLOR

A drop-out color is a color visible by a human eye but not visible to the scanner.
To check the grounding color of document for a drop-out color, use the method and follow the
standards given below.
Print density measurement
The measurement must be made in one of the following ways:
-
A light source using fluorescent.
-
Macbeth PCS meter PCM II is used, which requires a filter.
Drop-out color standard
In the spectrum of fluorescent lamp the PCS value must satisfy the following standards:
-
Maximum: 0.14 or less
-
Average: 0.1 or less
100
90
80
70
60
50
40
30
20
10
0
400 500
Wave Length (nm)
600 700
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