Ricoh D072 Service Manual page 216

Using SP Mode (Basic: D067/D072)
14 Grayscales (Vertical/Horizontal)
15 Grayscales (Vertical/Horizontal Overlay)
16 Grayscales With White Lines (Horizontal)
17 Grayscales with White Lines (Vertical)
18 Grayscales with White Lines (Vertical/Horizontal)
Test Patterns Using IPU
No.
30 Vertical Lines (Single Dot)
31 Horizontal Lines (Single Dot)
32 Vertical Lines (Double Dot)
33 Horizontal Lines (Double Dot)
34 Isolated Four Dots
35 Grid Pattern (Double Dot)
36 Black Band (Vertical, 1024 Dots)
37 Grayscales (Horizontal, 512 Dots)
38 Grayscales (Vertical, 256 Dots)
39 ID Patch
40 Cross
41 Argyle Pattern (128-Dot Pitch)
42 Square Gradation (64 Grades)
43 Square Gradation (256 Grades)
44 Grayscales (Horizontal, 32-Dot Width)
45 Grayscales (Vertical, 32-Dot Width)
D067/D068/D069/D072
Pattern
6-24 SM