Ricoh AFICIO A267 Service Manual page 210

20 September 1999
Mode No.
Class Class
1 and 2 3
4-947* 2 Positive/Negative
MTF Coefficient
(Sub Scan – Binary)
3 Positive/Negative
MTF Strength
(Main Scan –
Binary)
4 Positive/Negative
MTF Strength
(Sub Scan – Binary)
Positive/Negative
1
Binary Threshold -
MAX
4-948*
2 Positive/Negative
Binary Threshold -
MIN
3 Positive/Negative
Binary Threshold -
Center
Shading Mode
Selection
4-950*
All Indicators On
5-001
Auto Paper Tray
5-103*
Shift
Function
Selects the MTF coefficient for the
positive/negative feature in the sub scan
direction.
This SP is effective only when the value of
SP4-401 is "1".
Selects the MTF strength for the
positive/negative feature in the main scan
direction.
This SP is effective only when the value of
SP4-401 is "1".
Selects the MTF strength for the
positive/negative feature in the sub scan
direction.
This SP is effective only when the value of
SP4-401 is "1".
Adjusts the maximum value of the dynamic
binary threshold used at the edges of text
elements for the positive/negative feature.
This SP is effective when the value of SP4-
401 is "1".and "Dynamic Binary" is selected
with SP4-922-1.
See "Detailed Descriptions - Image
Processing" for details.
Adjusts the minimum value of the dynamic
binary threshold used at the edges of text
elements for the positive/negative feature.
Same comments as for SP4-948-1.
Adjusts the threshold in dynamic binary
mode for pixels not on edges of text/graphic
elements for the positive/negative feature.
Same comments as for SP4-948-1.
Selects the scanner shading method in ADF
mode.
0: Russian (Do the shading every page.)
1: ADAM (Do the shading at the time
specified by SP4-913.)
2: None (This is for the designer's test
purposes. Do not select this value.)
This is for the designer's test purposes.
Do not change the value.
Turns on all indicators on the operation
panel.
Press "OK" or the é key to check. Press
the T (Clear Modes) key to exit this SP
mode. The LCD blinks all on and all off
every 2 seconds.
Selects whether or not auto paper tray shift
is done.
4-43
SERVICE PROGRAM MODE
Settings
0 ~ 15
1 /step
2
0 ~ 15
1 /step
5
0 ~ 15
1 /step
5
0 ~ 255
1/step
160
0 ~ 255
1/step
96
0 ~ 255
1/step
96
0
0: No
1: Yes