Ricoh D131 Service Manual page 639

SP4000 Scanner
Min Size for APS
Selects whether or not the copier determines that the original is A5/HLT size
when the APS sensor does not detect the size.
[0 to 1/1]
4303
0: Not detected
1: A5 SEF (5 1/2" x 8 1/2")
If "1" is selected, paper sizes that cannot be detected by the APS sensors are
detected as A5 SEF. If "0" is selected, "Cannot detect original size" will be
shown.
4305 8K/16K Detection
Changes APS size detection
[0 to 3 / 0 / 1]
0 : Normal
1 : A4-LEF LT-SEF
If the paper is LEF, detects A4, if SEF detects LT
2 : LT-LEF A4 SEF
If paper is LEF, detects LT, if SEF detects A4.
3: 8-kai, 16-kai

A3, B4 > 8-kai SEF

A4 SEF, B5 SEF, A5 SEF > 16-kai SEF

A4 LEF, B5 LEF, A5 LEF > 16-kai LEF
Original Edge Mask Setting
This SP sets the mask area to remove shadows when scanning originals from
4400
the exposure glass in Book mode.
Note: "LE" denotes "leading edge" and "TE" denotes "trailing edge".
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)
D131/D132/D133
[0 to 3/0/0.1 mm]
3-64 SM Appendix