Image Data Path Test Patterns - Ricoh B010 Service Manual

PRINTING TEST PATTERNS
Item
21 Rope pattern 2 dots
22 Rope pattern 1 dot main scan even/odd reversal
23 Rope pattern
24 Frequency characteristic - Vertical
25 Frequency characteristic - Horizontal
26 Frequency characteristic - Vertical/Horizontal
27 Gray scale 5 - Vertical/Horizontal
28 Gray scale 6 - Vertical/Horizontal
29 Black
30 White
31 AMDP evaluation counter
32 Gray scale 7 - Vertical/Horizontal
33 Independent 1 dot (16-dot interval)
34 Independent 1 dot (32-dot interval)
35 Independent 1 dot (64-dot interval)
36 Independent 1 dot (128-dot interval)
37 Independent 1 dot (256-dot interval)
38 Independent 2 dots (16-dot interval)
39 Independent 2 dots (32-dot interval)
40 Independent 2 dots (64-dot interval)
41 Independent 2 dots (128-dot interval)
42 Independent 2 dots (256-dot interval)
43 Independent 1 dot (4-dot interval)
44 Independent 1 dot (8-dot interval)
45 Independent 2 dots (8-dot interval)

5.6.2 IMAGE DATA PATH TEST PATTERNS

Print a VDB test pattern to check that the LPH and VDB are operating correctly.
1. Enter the SP mode. ( 5.3.1)
2. Enter 2942 (Print Test Pattern), select 2942-001 (Mode) and press . Then
select VDB from the IPU or VDB selection and press , then Exit.
3. Enter 2942 003 (Pattern) and press .
4. Enter a number to select a pattern, then press .
5. Press Exit, select Copy Mode, select an appropriate paper size and insert a
blank sheet as your original.
NOTE: The original should be 914 mm (W) x 297 mm (L) (36" x 11"). A blank
sheet cut from a roll is sufficient.
NOTE: If you need to adjust print settings, use the Copy Mode and SP Mode
buttons to toggle between the initial screen and the SP mode screen.
6. If the Print Start Trigger (User Tool) is set to Set Original mode the unit will print
automatically.
B010
Pattern
5-16 SM