Ricoh D158 - Page 741

Test Pattern Printing
SM Appendix 3-283 D158/D159/D160/D161/D170
Appendix:
Service
Program
Mode Tables
6 Grid Horizontal Line 17 Checker Flag Pattern
7 Grid Pattern Small 18 Grayscale (Vertical)
8 Grid Pattern Large 19 Grayscale (Horizontal)
9 Argyle Pattern Small 20 Full Dot Pattern
10 Argyle Pattern Large 21 All White Pattern