Ricoh Russian-C2a Service Manual page 193

SERVICE PROGRAM MODE
4
Mode Number/Name
Background Erase
6 Text
7 Photo
8 Text/Photo
9 Pale
10 Generation
Gamma Selection
11 Text
904*
12 Photo
13 Text/Photo
14 Pale
15 Generation
905* Image Data Path
907* Fax 25%, 50%
Reduction
1
2 Outline Level
909* IPU Image Data Path
Function/[Setting]
This adjustment is only effective for the "Custom
Setting" original type.
A larger number reduces dirty background. If "0" is
selected, background erase is disabled.
[0 ~ 255 / 0 / 1 step]
[0 ~ 255 / 0 / 1 step]
[0 ~ 255 / 0 / 1 step]
[0 ~ 255 / 0 / 1 step]
[0 ~ 255 / 0 / 1 step]
This adjustment is only effective for the "Custom
Setting" original type.
Selects the gamma table for each original type.
[0 ~ 2 / 0 / 1/step]
0: Standard gamma table
1: This gamma table reduces the background of the
original and gives sharp characters.
2: The gamma table increases the number of
gradations in high-density areas.
[0 ~ 2 / 0 / 1/step]
[0 ~ 2 / 0 / 1/step]
[0 ~ 2 / 0 / 1/step]
[0 ~ 2 / 0 / 1/step]
Selects one of the following video data outputs which
will be used for printing. DFU
[0 ~ 3 / 0 / 1 step]
0: Normal
1: After black level correction
2: After shading correction without black level
correction
3: Shading data
Determines whether 25% and 50% reduction is
available in fax mode.
[0 = No, 1 = Yes]
Japanese version only DFU
Selects one of the following image data outputs, which
will be used for printing. DFU
[0 ~ 255 / 0 / 1 step]
Bit 7: Shading
Bit 6: Scanner gamma
Bit 5: Pre-filtering
Bit 4: Magnification
Bit 3: Scanner/Printer Mask
Bit 2: Gradation
Bit 1: Filtering
Bit 0: Printer gamma
4-30
10 August, 2001