Ricoh D131 Service Manual page 640

5 ADF: Sub Scan: Leading Edge
7 ADF: Main Scan: Leading Edge (Rear)
8 ADF: Main Scan: Trailing Edge (Front)
4417 IPU Test Pattern Setting
0 Scanned Image
1 Gradation: Main Scan A
2 Gradation: Main Scan B
3 Gradation: Main Scan C
4 Gradation: Main Scan D
5 Gradation: Sub Scan (1)
6 Grid Pattern (1)
7 Slant Grid Pattern
8 Gradation K
9 Check Pattern 16
10 Gray Patch 16 (1)
11 Gray Patch 16 (2)
12 Gray Patch 64
13 Grid Pattern (2)
14 Color Patch K
15 Gray Pattern (1)
16 Gray Pattern (2)
17 Gray Pattern (3)
18 Shading Pattern
19 Thin Line Pattern
SM Appendix
[0 to 3/2/0.1 mm]
[0 to 3/0/0.1 mm]
3-65
SP4000 Scanner
D131/D132/D133