Ricoh D127 Service Manual page 267

2109* Test Pattern
Pattern Select
This SP has the test patterns as below.
0 None
1 Vertical Line (1dot)
2 Vertical Line (2dot)
3 Horizontal Line (1dot)
4 Horizontal Line (2dot)
5 Grid Vertical Line
2109 1
6 Grid Horizontal Line
7 Grid Pattern Small
8 Grid Pattern Large
9 Argyle Pattern Small
10 Argyle Pattern Large
Independent Pattern
11
(1dot)
Independent Pattern
12
(2dot)
Pattern Density
2109 2
Sets the density applying to test patterns
SM Appendix
13 Independent Pattern (4dot)
14 Trimming Area
15 Hound's Tooth Check (Horizontal)
16 Hound's Tooth Check (Vertical)
17 Black Band (Horizontal)
18 Black Band (vertical)
19 Checker Flag Pattern
20 Grayscale (Vertical)
21 Grayscale (Horizontal)
22 Two Beam Density Pattern
23 Full Dot Pattern
24 All White pattern
[0 to 15 / 15 / 1 /step]
3-11
System Service Mode
D127/D128