GB/T 22372-2008Test chart for laser printer (English PDF)

3.19 A multiple of the printout printout that differs from the original

1.1 relative to the size of the original in the electronic file. GB/T 22372-2008

3.20 The degree to which F-theta corrects for point errors by laser scanning.

3.21 The degree to which a material prevents the transmission of light or other radiation energy.

3.22 The degree of non-uniformity of optical density after printing of images with the same optical density at different positions on the test plate.

3.23 Density of areas without images or text in the print.

Note. Except for local contamination.

3.24 The degree to which the image is fixed on the print.

3.25 The uniformity of the width of lines without tonal gradation in the print.

3.26 The printed product is a uniformly arranged line graphic without tone gradation that is output in a vertical direction to the paper surface.

3.27 Line graphics with no tonal gradation and evenly arranged in the horizontal direction of the printed product and the paper surface.

3.28 The largest area imaged by all laser beam scans in the print.

3.29 It consists of several solid line graphics of the same length that start from the center of the circle and radiate outward at different angles.

3.30 A line graph consisting of two solid lines of the same length and intersecting at 90° at the midpoint.

3.31 A circular black area of a certain area with uniform density.

4.2 Beta version of laser printer

---Comprehensive version

4.2.1 Drawing and structure drawing The drawing of the integrated version (A3) is shown in Figure 1, and its structure is shown in Figure 3. GB/T 22372-2008

4.2.7.2 Density inhomogeneity The area marked D in Figure 3 and Figure 4 is composed of all six solid circles with a diameter of Phi8mm.

4.2.7.3 Fastness of fixing The figure marked D in Figure 3 and Figure 4 is composed of two solid circles of Phi8mm in the middle of the figure.

4.2.7.4 Line uniformity The areas marked F and G in Figures 3 and 4 consist of two sets of parallel lines.

4.2.7.5 Text area The area marked L in Figure 3 and Figure 4 is composed of Chinese characters in four fonts. Song, Hei, Imitation Song, and Kai, and the font sizes are Number 1 to Number 8.

4.2.7.6 Image area The area marked M in Figure 3 and Figure 4 consists of an image of 110mm×85mm (A3 version) and 70mm×85mm (A4 version) constitute.

4.2.7.7 Longitudinal uniform line drawing The area marked H in Figure 3 and Figure 4 has a length of 10mm (A3 version) or 7mm (A4 version), and the spatial frequency is 3 line pairs/mm arrangement of lines.

4.2.7.8 Horizontally uniform line drawing The area marked I in Figure 3 and Figure 4 consists of 10mm (A3 version) or 7mm (A4 version) in length and a spatial frequency of 3 line pairs/mm Arrangement of lines.

4.2.7.9 Defects All areas in the total area in Figures 3 and 4.

4.2.8 Other areas

4.2.8.1 Version name area For the area marked A1 in Figure 3 and Figure 4, the font specifications are shown in Table 2. For the area marked A2 in Figure 3 and Figure 4, the font specifications are shown in Table 2.

4.2.8.2 Recording area For the area marked N in Figure 3 and Figure 4, the font specifications are shown in Table 2.

4.2.8.3 Copyright area For the area marked O in Figure 3 and Figure 4, the font specifications are shown in Table 2.

4.3 Beta version of laser printer

---full black version

4.3.1 Drawing and structure drawing The pattern of A3 format is shown in Figure 5, and its structure is shown in Figure 7. The pattern of A4 format is shown in Figure 6, and its structure is shown in Figure 7. Except for the version name area, recording area, and copyright area, all the valid printing areas of this edition are exposed, forming a completely black layout.

4.3.2 Version name area For the areas marked A1 and A2 in Figure 7, the font specifications are shown in Table 2.

4.3.3 Recording area The icon in Figure 7 is the area of B, and the font specifications are shown in Table 2.

4.3.4 Copyright area For the area marked C in Figure 7, the font specifications are shown in Table 2.

4.4 Beta version of laser printer

--- missing printing plate

4.4.1 Drawing and structure drawing The pattern of A3 format is shown in Figure 8, and the structure diagram is shown in Figure 10. The pattern of A4 format is shown in Figure 9, and the structure diagram is shown in Figure 10. GB/T 22372-2008 It is valid to be fully covered by a single-dot line of 600dpi with a vertical and horizontal spacing of 1mm and a 3-dot line of 600dpi with a vertical and horizontal spacing of 10mm. print format.

4.4.2 Version name area For the areas marked A1 and A2 in Figure 10, the font specifications are shown in Table 2.

4.4.3 Recording area For the area marked B in Figure 10, the font specifications are shown in Table 2.

4.4.4 Copyright area For the area marked C in Figure 10, the font specifications are shown in Table 2.

4.5 Beta version of laser printer

---full white version

4.5.1 Drawing and structure drawing The pattern of A3 format is shown in Figure 11, and its structure is shown in Figure 13. The pattern of A4 format is shown in Figure 12, and its structure is shown in Figure 13. The five areas marked D in Figure 13 are measurement areas.

4.5.2 Version name area For the areas marked A1 and A2 in Figure 13, the font specifications are shown in Table 2.

4.5.3 Recording area For the area marked B in Figure 13, the font specifications are shown in Table 2.

4.5.4 Copyright area For the area marked C in Figure 13, the font specifications are shown in Table 2.

4.6 Beta version of laser printer

4.6.1 Drawing and structure drawing The drawing of A3 format is shown in Figure 14, and its structure is shown in Figure 16. The drawing of A4 format is shown in Figure 15, and its structure is shown in Figure 16. In the area marked D in Fig. 16, the gray bars with gray value of 15% and 30% are arranged adjacently, and the circle is the measurement area. There are 5 measurement areas for 15% and 30% gray value, and the gray percentage value of each column is marked below.

4.6.2 Version name area For the areas marked A1 and A2 in Figure 16, the font specifications are shown in Table 2.

4.6.3 Recording area The icon in Figure 16 is the area of B, and the font specifications are shown in Table 2.

4.6.4 Copyright area For the area marked C in Figure 16, the font specifications are shown in Table 2.

4.7 Beta version of laser printer

---ghost version

4.7.1 Drawing and structure drawing The drawing of A3 format is shown in Figure 17, and its structure is shown in Figure 19. The drawing of A4 format is shown in Figure 18, and its structure is shown in Figure 19. In the area marked D in Figure 19, the first row and each column are the letter Q; the second row and each column are different gray levels; the third row and each column identify The grayscale percentage value in each column of row 2.

4.7.2 Version name area For the areas marked A1 and A2 in Figure 19, the font specifications are shown in Table 2.

4.7.3 Recording area The icon in Figure 19 is the area of B, and the font specifications are shown in Table 2.

4.7.4 Copyright area For the area marked C in Figure 19, the font specifications are shown in Table 2. GB/T 22372-2008