FUJITSU M3093DG - Manual (Page 67)

- Window width: Bytes 14 to 17
Indicates the width of the data that can be read by the scanner in basic X
resolution dots. A scanner with double>letter size returns X'00001300'. A
scanner with A4 size returns X'00000D80'.
- Window length: Bytes 18 to 1B
Indicates the length of the data that can be read by the scanner in basic Y
resolution dots. A scanner with double>letter size returns X'00001B00'. A
scanner with A4 size returns X'000015E0'.
4 $ 35