Ipu Test Patterns: Sp4417 - Ricoh B132 Service Manual

TEST PATTERN PRINTING

5.3.2 IPU TEST PATTERNS: SP4417

The IPU test patterns are primarily used for design purposes. However, they can
be used as follows:
• To confirm that the IPU is processing images correctly.
• To fine tune image processing
• To trace the causes of poor images. For example, if the IPU test patterns are
normal when the machine is producing poor quality images, then the problem
must be after the IPU if the flow of image processing.
1. Enter the SP mode, select SP4417.
2. Scroll then select the number of the test pattern that you want to print.
3. Press [#].
4. Touch "Copy Window" to open the copy window, then select the settings for the
test print (paper size, etc.)
5. Press the [Start] () key to start the test print.
6. Touch "SP Mode" (highlighted) to return to the SP mode display.
Here is a list of the text patterns you can select.
0 Scanned Image
1 Gradation Main Scan A
2 Gradation Main Scan B
3 Gradation Main Scan C
4 Gradation Main Scan D
5 Gradation Sub Scan (1)
6 Grid Pattern
7 Slant Grid Pattern
8 Gradation RGBCMYK
9 UCR Pattern
10 Color Patch 16 (1)
11 Color Patch 16 (2)
12 Color Patch 64
B132/B200
13 Grid Pattern CMYK
14 Color Patch CMYK
15 Gray Pattern (1)
16 Gray Pattern (2)
17 Gray Pattern (3)
18 Shading Pattern
19 Thin Line Pattern
20 Scanned + Grid Pattern
21 Scanned +Gray Scale
22 Scanned + Color Patch
23 Scanned + Slant Grid C
24 Scanned + Grid D
5-10 SM