Ricoh D143 Field Service Manual page 1334

3. SP Mode Tables
4 Horizontal Line (2dot)
5 Grid Vertical Line
6 Grid Horizontal Line
7 Grid Pattern Small
8 Grid Pattern Large
9 Argyle Pattern Small
10 Argyle Pattern Large
410
16 Tooth Check (Horizontal)
17 Band (Horizontal)
18 Band (Vertical)
19 Checker Flag Pattern
20 Grayscale (Vertical Margin)
21 Grayscale (Horizontal Margin)
23 Full Dot Pattern