Ricoh A-C2 - Page 200

SERVICE PROGRAM MODE 26 January, 2001
5-26
SP4 Mode Number Function and [Setting]
4903* 73* Edge Detection Threshold
Value: Text/Photo
Selects the threshold value for edge detection
for the text/photo mode (65%~154%).
[0~8 / 4 / 1 step]
75* Line Width Correction:
Generation Mode
Selects how line widths are corrected in the
copied original mode for both the main and sub
scan direction.
In copied original mode, lines may bulge in the
main scan direction. Adjust until result is
satisfactory.
[0~15 / 8 / 1 step]
Value Main Scan Line
Correction
Sub Scan Line
Correction
1 None Thin
2 None Very thin
3 None Thick
4 None None
5 Very thin Very thin
6 Very thin Thin
7 Very thin Thick
8 Thin None
9 Thin Very thin
10 Thin Thin
11 Thin Thick
12 Thick None
13 Thick Very thin
14 Thick Thin
15 Thick Thick
76* Line Width Correction
Threshold (Main Scan)
Selects the threshold for line width detection in
the main scan direction in the copied original
mode.
[0~5 / 1 / 1 step]
Low: More difficult to thicken thin lines.
High: Easier to thicken thin lines.
77* Line Width Correction
Threshold (Sub Scan)
Selects the threshold for line width detection in
the sub scan direction in the copied original
mode.
[0~5 / 1 / 1 step]
Low: More difficult to thicken thin lines.
High: Easier to thicken thin lines.
4904* IPU Setting 1
Selects the size of the dither matrix for the photo
mode.
[0~4 / 2 / 1]
Value Method Lines Effect
0 Error Diffusion Best resolution
1 Dither 8 x 8 75 Screening
2 Dither 8 x 8 106 Best grayscale
3 Dither 6 x 6 142 Good grayscale
2* Gradation Processing
Selection
4 Dither 4 x 4 212 Good resolution