Ricoh A250 Service Manual page 192

SERVICE PROGRAM MODE
Mode No.
Class Class
1 and 2 3
P - Edge
Threshold - Left
4-934*
P - Line Width Correction
(Text)
1
P - Line Width Correction
4-935* 2 (Text/Photo)
P - Line Width Correction
3 (Photo)
P - SBU ADS Setting
1
(Text)
P - SBU ADS Setting
2
(Text/Photo)
P - SBU ADS Setting
4-936*
(Photo)
3
P - IPU ADS Setting
1
(Text)
P - IPU ADS Setting
2
(Text/Photo)
P - IPU ADS Setting
(Photo)
4-937*
3
A250
Function
Adjusts the threshold for edge
detection in the diagonal direction
from top left to bottom right (for
dynamic thresholding).
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.
Normally do not change the value.
This adjustment is only effective
for the "Service Mode" original
type setting.
Adjusts the line width (1: Produces
the thinnest lines, 7: Produces the
thickest lines) If "0" is selected, this
mode is disabled. See "Detailed
Descriptions - Image Processing" for
details.
This adjustment is only effective
for the "Service Mode" original
type setting.
Selects whether the SBU ADS
process is done. If "0" is selected, it
depends on whether the user selects
ADS at the operation panel.
See "Detailed Descriptions - Image
Processing" for details.
Normally do not change the value.
This adjustment is only effective
for the "Service Mode" original
type setting.
Selects whether the IPU ADS
process is done. If "0" is selected, it
depends on whether the user selects
ADS at the operation panel. The
value of SP4-938 is subtracted from
the white video level.
See "Detailed Description - Image
Processing" for details.
Normally do not change the value.
4-24
Settings
0 ~ 255
1/step
63
0 ~ 7
1/step
0
0 ~ 7
1/step
6
0 ~ 7
1/step
0
0: By key
1: ON
2: OFF
0: By key
1: ON
2: OFF
SM