3-66 M3099EX/EH OEM Manual
Device information II-ii
b7 b0
0000
Halftone (Back-side)
0 : OFF
1 : ON
Front-side/back-side reading (*1)
0 : Front-side reading
1 : Back-side reading
Reading status
0 0 : Simplex (front-side) reading
1× : Duplex reading
*1: This bit is available only in the case of "Normal status" to
START command or "Read complete" to READ command.
(What indicates which data is transferred, front-side data or
back-side data.)