Ricoh Aficio 270 - Page 225

SERVICE PROGRAM MODE
SM 4-39 A265/A267
Service
Tables
Mode No.
Class
1 and 2
Class
3
Function Settings
Selects the dither matrix filter in photo
mode. A larger number increases the
number of gradations, but may reduce the
contrast.
5: This is a special dither matrix, designed
to emphasize the edges of graphic and
text objects
4-929* 5
P - Matrix Filter
(Photo - Binary)
This adjustment is only effective for the
“Service Mode” original type setting.
See “Detailed Descriptions - Image
Processing” for details
, Section 2.2.4
.
0: 53
1: 105
2: 143
3: 210
4: 270
5: H
Adjusts the threshold for edge detection in
each direction for dynamic thresholding.
Only used for binary picture processing.
4-931*
P - Edge Threshold -
Vertical
0 ~ 255
1/step
63
4-932*
P - Edge
Threshold -
Horizontal
0 ~ 255
1/step
63
4-933*
P - Edge
Threshold - Right
0 ~ 255
1/step
63
4-934*
P - Edge
Threshold - Left
This adjustment is only effective for the
“Text - Service Mode” original type
setting.
If “Dynamic Binary” is selected with SP4-
922-1, this SP mode is effective. See
“Detailed Descriptions - Image Processing”
for details
, Section 2.2.4
.
Normally do not change the value.
Right: Diagonal - top right to bottom left
Left: Diagonal - top left to bottom right
0 ~ 255
1/step
63
1
P - Line Width
Correction
(Text - Grayscale)
0 ~ 9
1/step
0
2
P - Line Width
Correction
(Text/Photo -
Grayscale)
0 ~ 9
1/step
8
3
P - Line Width
Correction
(Photo - Grayscale)
0 ~ 9
1/step
0
4
P - Line Width
Correction
(Text - Binary)
0 ~ 9
1/step
2
5
P - Line Width
Correction
(Text/Photo - Binary)
0 ~ 9
1/step
8
4-935*
6
P - Line Width
Correction
(Photo - Binary)
This adjustment is only effective for the
“Service Mode” original type setting.
Adjusts the line width. If “0” is selected, this
mode is disabled. See “Detailed
Descriptions - Image Processing” for details,
Section 2.2.4
Settings 1 to 3 make lines thinner. 1 has the
greatest effect.
Settings 4 to 9 make lines thicker. 9 has the
greatest effect.
Thinnest Thickest
1 – 2 – 3 – 0 – 4 – 5 – 6 – 7 – 8 – 9
0 ~ 9
1/step
0