Ricoh B022, Service Manual, Page: 569 / 878

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SCANNER SERVICE MODE
SM 3-9 B453/B461
SP2 Mode Number Function and [Setting]
7* Brightness – Notch 7
(Grayscale) Adjusts the image density for each image
density level when using the grayscale
processing mode.
[0-255 / 98 / 1 step]
8* Contrast – Notch 7
(Grayscale)
[0-255 / 98 / 1 step]
9* Threshold Level – Notch 7
(Grayscale)
This SP is not available.
[0-255 / 98 / 1 step]
10* Brightness – Notch 6
(Grayscale)
[0-255 / 108 / 1 step]
11*
Contrast – Notch 6
(Grayscale)
[0-255 / 108 / 1 step]
12*
Threshold Level – Notch 6
(Grayscale) This SP is not available.
[0-255 / 108 / 1 step]
13*
Brightness – Notch 5
(Grayscale)
[0-255 / 118 / 1 step]
14*
Contrast – Notch 5
(Grayscale)
[0-255 / 118 / 1 step]
15* Threshold Level – Notch 5
(Grayscale) This SP is not available.
[0-255 / 118 / 1 step]
16* Brightness – Notch 4
(Grayscale)
[0-255 / 128 / 1 step]
17* Contrast – Notch 4
(Grayscale)
[0-255 / 128 / 1 step]
18* Threshold Level – Notch 4
(Grayscale) This SP is not available.
[0-255 / 128 / 1 step]
19* Brightness – Notch 3
(Grayscale)
[0-255 / 138 / 1 step]
20* Contrast – Notch 3
(Grayscale)
[0-255 / 138 / 1 step]
21* Threshold Level – Notch 3
(Grayscale) This SP is not available.
[0-255 / 138 / 1 step]
22* Brightness – Notch 2
(Grayscale)
[0-255 / 148 / 1 step]
23* Contrast – Notch 2
(Grayscale)
[0-255 / 148 / 1 step]
24* Threshold Level – Notch 2
(Grayscale) This SP is not available.
[0-255 / 148 / 1 step]
25* Brightness – Notch 1
(Grayscale)
[0-255 / 158 / 1 step]
26* Contrast – Notch 1
(Grayscale)
[0-255 / 158 / 1 step]
2005
27* Threshold Level – Notch 1
(Grayscale) This SP is not available.
[0-255 / 158 / 1 step]
2006 1* Compression Ratio
(Normal image) Selects the compression ratio for grayscale
processing mode.
For a lower compression rate, input a smaller
value.
[5-95 / 50 / 1 step]