2. Print result analysis with No. 2 printer:

In the range of 100% to 75% full scale, the opacity and the whiteness have a negative relationship with the color difference, and the negative relationship between Cyan, Magenta, and Yellow is more obvious. When the opacity and whiteness increase, the color difference decreases, and Black does not. relationship. The glossiness is less obvious in the performance of color difference, the curve change is less regular, and due to the change of its own glossiness, it is difficult to control in this experiment, and the relationship between coloriness and its color cannot be judged. (Figure 4-1~Figure 4-8)


3. Comparison between No. 1 printer and No. 2 printer:

Comparing the three paper properties of opacity, whiteness, and glossiness with the color difference, the color difference of Yellow and Black of the No. 2 printer is smaller than that of the No. 1 printer, and the color difference of Cyan and Magenta of the No. 2 printer is greater than the color gamut of the CMYK. No. 1 printers had better performing colors, and the overall numerical analysis showed that the color difference of the No. 1 printer was small. (Figure 4-1~Figure 4-8)

(II) Analysis of Color Differences and Paper Properties in Various RGB Concentrations

1. Print results from No. 1 and No. 2 printers:

In the range of concentration (75% whitening ~ 100% pure color ~ 75% darkening), the opacity and whiteness have a negative relationship with the color difference, and the negative relationship between Red, Green, Blue is more obvious, when the opacity and When the whiteness increases, the color difference decreases. The glossiness is less obvious in the performance of color difference, the curve change is less regular, and due to the change of its own glossiness, it is difficult to control in this experiment, and the relationship between coloriness and its color cannot be judged. (As shown in Figure 4-9 ~ Figure 4-14)


2. Comparison between No. 1 printer and No. 2 printer:

Compared with the chromatic aberration of the three paper properties of opacity, whiteness and glossiness, compared with RGB color gamut, the Red, Green color difference of the No. 1 printer is smaller than that of the No. 2 printer, especially when it is Red, and when it is Blue, The performance of the two is the same. Based on the overall numerical analysis, the color difference of the No. 1 printer is small. (As shown in Figure 4-9 ~ Figure 4-14)

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