On Mon, 2020-06-15 at 16:28 -0400, H wrote: > I just installed C7 on a new computer and despite Simple Scan being > installed as part of C7, I have not been able to get it to recognize > my Canon scanner connected to a USB port. I did have it running on > another computer with C7 so there should not be any inherent issues. > > On a lark I installed gscan2pdf and sane-backends-drivers-scanners > and sane-find-scanner found it: > > found USB scanner (vendor=0x04a9 [Canon], product=0x1908 [CanoScan]) > at libusb:001:010 So this is a CanoScan 9000. According to http://sane-project.org/sane-mfgs.html#Z-CANON it is supported since sane-1.0.27. Centos 78 apparently has Sane 1.0.24. So you must have downloaded a later version of Sane somewhere or compiled it yourself (not too difficult) BR, Louis