Ricoh M160 Service Manual page 444

[IPU Test Pattern]
4417
Selects the IPU test Pattern.
4-417-001 Test Pattern
Selections for SP4417
0 Scanned image
1 256-Gradation main scan A
2 Patch 16C
3 Grid pattern A
4 Slant grid pattern B
[Select Copy Data Security]
4429 Adjusts the pattern density of illegal copy output for Copy, Scanner, and
Fax.
4-429-001 Copying
4-429-002 Scanning
4-429-003 Fax Operation
4450 [Scan Image Pass Selection]
4-450-001 Black Subtraction ON/OFF
4-450-002 SH ON/OFF
SM Appendix
[0 to 8 / 0 / 1/step]
E
See the selections below
5 Slant grid pattern C
6 Argyle pattern D
7 Scanned+Slant Grid C
8 Scanned+Slant Grid D
- -
E*
E* [0 to 3 / 3 / 1/step]
E*
[0 or 1 / 1 / 1/step]
E Uses or does not use the black
reduction image path.
[0 or 1 / 0 / 1/step]
E Uses or does not use the shading
image path.
3-31
Main SP Tables-4
M160/M161