Hi Allan! On 04/03/2014 03:03 AM, m. allan noah wrote: > I worked on the backend for this scanner remotely, but I've never > actually touched one. I had no idea it did this modeswitching.
Short update: After unsuccessfully trying several hours to get the proprietary Canon backend compile with SANE, I did some more tests with the backend you wrote and it turns out that I just had to flip the switch on the backside of the scanner labeled "Auto Start" (see [1], p. 13). Setting that switch to "Off" will turn the scanner immediately into scan mode, changing its USB device ID to 0x1646 and making it work like a charm with your backend. I could scan both simplex and duplex, b/w and color and use all possible resolutions, very happy with the scanner now :). It should probably added to the manpage of the canon_dr backend that this switch needs to be turned off. Cheers, Adrian > [1] http://s3.amazonaws.com/szmanuals/57470558254d703046f077c1811c527e -- .''`. John Paul Adrian Glaubitz : :' : Debian Developer - glaubitz at debian.org `. `' Freie Universitaet Berlin - glaubitz at physik.fu-berlin.de `- GPG: 62FF 8A75 84E0 2956 9546 0006 7426 3B37 F5B5 F913
