Ricoh D023, Service Manual, Page: 636 / 1522

System Service Mode
D023/D025 8-40 SM Appendix
[Test Pattern]
2109
Generates the test pattern using "COPY Window" tab in the LCD.
003 Pattern Selection -
[0 to 23 / 0 / 1/step]
0 None
1: 1-dot line pattern (Vertical)
2: 2-dot line pattern (Vertical)
3: 1-dot line pattern (Horizontal)
4: 2-dot line pattern (Horizontal)
5: 1-dot grid pattern (Vertical)
6: 1-dot grid pattern (Horizontal)
7: 1-dot grid pattern (Fine)
8: 1-dot grid pattern (Rough)
9: 1-dot slant pattern (Fine)
10: 1-dot slant pattern (Rough)
11. 1-dot pattern
12. 2-dot pattern
13. 4-dot pattern
14. 1-dot trimming pattern
15: Cross stitch: sub-scan
16: Cross stitch: main-scan
17: Belt pattern (Horizontal)
18: Belt pattern (Vertical)
19: Checkered flag
20: Gray scale (Vertical)
21: Gray scale (Horizontal)
22: Dual beams density pattern
23: Solid