Ricoh D131 Service Manual page 645

SP4000 Scanner
4607 Gray Balance Adjust (Both Sides
This SP affects gray balance adjustment for both sides of the paper.
1 Execute
Select "1" to execute gray balance adjustment.
[1 to 0/0/1] 0:OFF 1:ON
2 Confirm
Select "1" to confirm whether gray balance adjustment was done.,
[1 to 0/0/1] 0:OFF 1:ON
4608 GB Ad Detection Level DFU
[0 to 1023/512/1]
1 SBU:R
2 SBU:G
3 SBU:B
4 CIS:R
5 CIS:G
6 CIS:B
4609 Gray Balance Adj Value: R DFU
Displays the reference voltage for Red adjusted by gray balance adjustment.
4610 Gray Balance Adj Value: G DFU
Displays the reference voltage for Green adjusted by gray balance adjustment.
4611 Gray Balance Adj Value: B DFU
Displays the reference voltage for Blue adjusted by gray balance adjustment.
1 Book Scan
2 DF Scan
D131/D132/D133 3-70 SM Appendix