Ricoh D037 Service Manual page 702

System Service Mode
Uses or does not use the black reduction image path.
SH ON/OFF
002
Uses or does not use the shading image path.
[Digital AE Set] DFU
4460
Specifies the level of deleting the background in the ADS mode. You can adjust
its level for each scanning method (platen, ADF).
001 Lower Limit
002 Background Level
[ACC Target Density]
4501
Selects the ACC result.
001 Copy: Bk: Text
002 Copy: C: Text
003 Copy: M: Text
004 Copy: Y: Text
005 Copy: Bk: Photo
006 Copy: C: Photo
007 Copy: M: Photo
008 Copy: Y: Photo
[ACC Correction:Bright]
4505
Adjusts the offset correction for light areas of the ACC pattern.
001 Master:K
002 Master:C
D037/D038/D040/D041
[0 or 1 / 0 / 1 /step] 0: ON, 1: OFF
*ENG [0 to 1023 / 364 / 4 digit/step]
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[512 to 1532 / 932 / 1 digit/step]
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[0 to 10 / 5 / 1 /step]
10: Darkest density
*ENG
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*ENG [-128 to 127 / 0 / 1 /step]
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9-168 SM Appendix