<div dir="ltr"><div><div><div><div><div><div><div><div><div><div><div>Hi people,<br><br></div><div>My question is about Xerox 3635MFP and xerox_mfp.c backend in sane 1.0.25<br></div><div><br></div>xerox_mfp backend has three options for source:<br></div>1. ADF 0x20<br></div>2. Flatbed 0x40<br></div>3. Auto 0x80<br><br></div>Option ADF Duplex is not present there, even though xerox supports it<br><br></div>Doing some reverse engineering as per recommended by <span><span style="font-weight:normal">Alexander Kuznetsov, I checked packets from a working ADF Duplex Windows Twain driver.<br><br></span></span></div><span><span style="font-weight:normal">So I compared Linux_ADF, Windows_ADF and Windows_ADF_Duplex packets<br><br></span></span></div><span><span style="font-weight:normal">Discovered that Duplex is byted as 0x10<br><br></span></span></div><span><span style="font-weight:normal">My question is: Adding 0x10 as an option in this backend will work fine?<br><br></span></span></div><span><span style="font-weight:normal">Thanks in advance for any thoughts and sorry If Im violating rules<br><br>------------------------------<wbr>------------------------------<wbr>-<br></span></span></div><span><span style="font-weight:normal">25 bytes command CMD_SET_WINDOW Packets below:<br><br><font size="1"><b>LINUX_ADF</b>: 0x1b, 0xa8, 0x24, 0x13, 0x30, 0x00, 0x00, 0x27, 0xd7, 0x00, 0x00, 0x41, 0x9f, 0x0a, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x02, <b>0x20</b>, 0x00<br><b>WINDOWS_ADF</b>: 0x1b, 0xa8, 0x24, 0x13, 0x30, 0x00, 0x00, 0x27, 0xd8, 0x00, 0x00, 0x33, 0x90, 0x0a, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x05, 0x06, 0x01, 0x02, <b>0x20</b>, 0x00<br><b>DUPLEX_ADF</b>: 0x1b, 0xa8, 0x24, 0x13, 0x30, 0x00, 0x00, 0x27, 0xd8, 0x00, 0x00, 0x33, 0x90, 0x0a, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x05, 0x06, 0x01, 0x02, <b>0x10</b>, 0x00<span class="gmail-HOEnZb"><font color="#888888"><br></font></span></font></span></span><br clear="all"><br>-- <br><div class="gmail_signature">Solano Alves<div><div><div><br></div></div></div></div> </div>