Ricoh B089 - Page 797

SCANNER SERVICE MODE
SM 3-9 B577
Printer/
Scanner
B577
2006 Grayscale Mode Settings
23* Brightness – Notch 3 [0-255 / 128 / 1 step]
24* Contrast – Notch 3 [0-255 / 128 / 1 step]
25* Threshold Level – Notch 3 Not available.
[0-255 / 128 / 1 step]
26* Brightness – Notch 2 [0-255 / 128 / 1 step]
27* Contrast – Notch 2 [0-255 / 128 / 1 step]
28* Threshold Level – Notch 2 Not available.
[0-255 / 128 / 1 step]
29* Brightness – Notch 1 [0-255 / 128 / 1 step]
30* Contrast – Notch 1 [0-255 / 128 / 1 step]
31* Threshold Level – Notch 1 Not available.
[0-255 / 128 / 1 step]
2021 Compression Ratio
1* Normal image
Selects the compression ratio for grayscale
processing mode.
For a lower compression rate, input a smaller
value.
[5-95 / 50 / 1 step]
2* High Quality image [5-95 / 60 / 1 step]
3* Low Quality image [5-95 / 40 / 1 step]