Ricoh D131 Service Manual page 661

SP4000 Scanner
FL Correction ON/OFF
Turns on or off the FL correction for each color..
4806
[0 or 1 / 0 / 1]
0: OFF, 1: ON
1 RED
2 GREEN
3 BLUE
4903 Filter Settings
These SP codes adjust the sharpness and granularity of printed images.
1 Ind Dot Erase: Text
[0 to 7 / 0 / 1]
0:Softest 1:Soft Mode 4:Normal 6:Sharp Mode 7: Sharpest
2 Ind Dot Erase: Copy/Original
[0 to 7 / 0 / 1]
0:Softest 1:Soft Mode 4:Normal 6:Sharp Mode 7:Sharpest
4905 Select Gradation Level DFU
4907 SBU Test Pattern
1 Select Test Pattern
0: Normal 1: Fixed Value 2: Main Scan Grayscale
3: Sub Scan Grayscale 4: Checked Pattern
2 Set Output Level
Output level in case of setting SP4-907-1 to 1.
[0 to 1023/512/1]
D131/D132/D133 3-86 SM Appendix