Ricoh OR-C1 Field Service Manual page 520

4. Appendix: Service Program Mode Tables
IPU Test Pattern
Selects the IPU test Pattern.
4
4417
Test Pattern
Selection
Select Copy Data Security
4429*
Adjusts the ICI density level.
1 Copying
2 Scanning
3 Fax Operation
Scan Image Path Selection
4450
Determines the method of image path detection.
162
[0 to 28 / 0 / 1]
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
[0 to 3 / 3 / 1 /step]
15: Gray pattern (1)
16: Gray pattern (2)
17: Gray pattern (3)
18: Shading pattern
19: Thin line pattern
20: Scanned + Grid pattern
21: Scanned + Grid scale
22: Scanned + Color patch
23: Scanned + Slant Grid C
24: Scanned + Slant Grid D
25: Gray Scale 18 text
26: Gray Scale 18 photo
27: Gray Scale 256 text
28: Gray Scale 256 photo