Ricoh D129 Service Manual page 624

System SP Tables-2
2109 Test Pattern
001 Pattern Selection
0: None
1: Vertical Line (1 dot)
2: Vertical Line (2 dot)
3: Horizontal Line (1 dot)
4: Horizontal Line (2 dot)
5: Grid Vertical Line
6: Grid Horizontal Line
7: Grid pattern small
8: Grid Pattern Large
9: Argyle Pattern Small
10: Argyle Pattern Large
11: Independent pattern (1 dot)
12: Independent Pattern (2 dot)
002 Density
2201* Development Bias Adjustment
Development Bias
001
Adjusts the development bias for copying.
Use as a temporary measure to correct faint copies from an aging drum.
ID Sensor Pattern
002
Adjusts the development bias for the ID sensor pattern for VSP
D129/D130
[0 to 24 / 0 /1 ]
Test pattern of the GAVD
13: Independent Pattern (4 dot)
14: Trimming Area
15: Hound's Tooth Check (Vertical)
16: Hound's Tooth Check (Horizontal)
17: Black Band (Horizontal)
18: Black band ( Vertical)
19: Checker Flag Pattern
20: Grayscale (Vertical Margin)
21: Grayscale (Horizontal Margin)
22: Two Beam Density Pattern
23: Full Dot Pattern
24:All white Pattern
[0 to 15 / 15 /1 ]
Set the density of the test pattern which is output in
SP2109-001. This SP is not used for the Grayscale
patterns.
[200 to 700 / 560 / 10V ]
[200 to 700 / 400 / 10V ]
3-20 SM Appendix