Ricoh B286 Service Manual page 361

4904 Image Process Setting
These SP's set up image processing for each mode.
! The smoothing level filters remove false outlines.
! Line width correction corrects thin vertical lines.
2 Process Select: Photo
This SP sets the matrix that is used for dithering in the Photo Mode.
[1 to 3/0/1]
0: 8 x 8 dithering
1: 6 x 6 dithering
2: 4 x 4 dithering
3: Error diffusion
3 Density level: Patched Original
10 Smoothing Filter Level: Text
11 Smoothing Filter Level: Photo
12 Smoothing Filter Level: Text/Photo
14 Smoothing Filter Level: Generation
15 Smoothing Filter Level: Drawing
16 Smoothing Filter Level: Patched Original
17 Smoothing Filter Level: Blue Line
SM
[0 to 8/2/1]
[0 to 3/1/1]
[0 to 3/2/1]
[0 to 3/1/1]
5-91
SP4-xxx Scanner
B286/B289