Drop-Out Color; Print Density Measurement; Drop-Out Color Standards; Spectrum Band - Fujitsu C150-E049-02EN Oem Manual

Drop-out Color

M3099GX/GH OEM Manual
A drop-out color is 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 spectrum chart shows in Figure 6.5 is used to measure print
density.
The measurement must be made in one of the following ways:
• A light source using fluorescent G54
• Macbeth PCS meter PCM II is used, which requires a filter.
100
50
400 450
Figure 6.5 Spectrum band

Drop-out color standards

In the spectrum of fluorescent lamp G54, the PCS value must satisfy
the following standards:
• Maximum: 0.14 or less
• Average: 0.1 or less
500 550 600 650
(nm)
DOCUMENT
SPECIFICATION
700 750
6-7