Ricoh D131 Service Manual page 636

Set Scale Mask
4012
These settings adjust the margins (erase margins) of the scanned area on the
sheet. The leading, trailing, right, and left margins can be set independently.
1 Book: Sub Scan: Leading Edge
2 Book: Sub Scan: Trailing Edge
3 Book: Main Scan: Leading Edge (Rear)
4 Book: Main Scan: Trailing Edge (Front)
5 ADF: Sub Scan: Leading Edge
7 ADF: Main Scan: Leading Edge (Rear)
8 ADF: Main Scan: Trailing Edge (Front)
Scanner Free Run
4013
Switches on/off a scanner free run. The scanning area is A3.
Press "On" or "Off".
1 Book Mode: Lamp Off
Performs a scanner free run with the exposure lamp off.
2 Book Mode: Lamp On
Performs a scanner free run with the exposure lamp on.
4014 Scan
Execute 1 scan with HP detection On.
SM Appendix 3-61
SP4000 Scanner
[0 to 3/0.1 mm]
D131/D132/D133