Test Patterns - Ricoh Aficio 480W Dolphin-C2 Service Manual

28 April 2005

5.7 TEST PATTERNS

Print an IPU Test Pattern if you experience problems with image processing (poor
halftones, line widths, etc.)
1. Enter the SP mode.
2. Do SP2902 and select either 001 or 002 to select either an "IPU Scanning Test
Pattern" or an "IPU Printing Test Pattern".
NOTE: SP2902 003 allows you to select the standard printing test patterns.
3. Select a pattern, then press '.
SP2902 001 IPU Scanning Test Pattern
0: None
1: Vertical Line (1-dot)
2: Vertical Line (2-dot)
3: Horizontal Line (1-dot)
4: Horizontal Line (2-dot)
5: Independent Dot (1-dot)
6: Grid Pattern (1-dot)
7: Vertical Stripes
8: Grayscale Horizontal (16-Level)
SP2902 002 IPU Printing Test Pattern
0: None
1: Independent Dot and Solid
2: Grayscale Horizontal (16-Level)
3: Grayscale Vertical (16-Level)
4: Grayscale Vertical-Horizontal (16-Level)
SP2902 003 Printing Test Pattern
0: None
1: Grid Pattern (1-dot)
2: Grid Pattern (2-dot)
3: Grid Pattern (3-dot)
4: Grid Pattern (4-dot)
5: Grid Pattern (5-dot)
6: Grid Pattern (6-dot)
7: Argyle Pattern (1-dot)
8: Argyle Pattern (2-dot)
9: Argyle Pattern (3-dot)
10: Argyle Pattern (4-dot)
11: Argyle Pattern (5-dot)
12: Argyle Pattern (6-dot)
13: Vertical Line (1-dot)
14: Vertical Line (2-dot)
9: Grayscale Vertical (16-Level)
10: Grayscale Vertical-Horizontal (16-Level)
11: Cross Pattern
12: Argyle Pattern
13: Density Patch (256-Level)
14: Density Patch (64-Level)
15: Trimming Area
16: Bandwidth Vertical
17: Bandwidth Horizontal
5: Density Patch (256-Level)
6: Density Patch (64-Level)
7: Cross Pattern
8: Grid Pattern
9: Argyle Pattern
15: Horizontal Line (1-dot)
16: Horizontal Line (2-dot)
17: Checkered Flag
18: Alternating Dot Patter (1-dot)
19: Alternating Dot Patter (2-dot)
20: Alternating Dot Patter (4-dot)
21: Trimming Area
22: Full Dot Pattern
23: Black Band (Vertical)
24: Black Band (Horizontal)
25: Grayscale (16-Level)
26: Vertical Grayscale (32-Level)
27: Horizontal Grayscale (32-Level)
28: Blank Image
5-27
TEST PATTERNS