Hi James, Many thanks for your report.
Your scanner has already been listed as supported in the listing for the SANE Development (git) Version (http://www.sane-project.org/lists/sane-backends-cvs.html#S-PIXMA). You can check if the backend (pixma) implementation supports button controlled scanning with your scanner: (1) Connect your scanner via USB, disconnect WiFi (2) Push any button, which should trigger a scan (3) Request the pushed button on a console with: $ SANE_DEBUG_PIXMA=11 scanimage -A The response should contain data similar like this: Buttons: --button-update Update button state [pixma] INTR T=1.270 len=32 [pixma] 00000000:00 30 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [pixma] 00000010:00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [pixma] --button-1 <int> [1] [read-only] Button 1 --button-2 <int> [0] [read-only] Button 2 --original <int> [0] [read-only] Type of original to scan --target <int> [3] [read-only] Target operation type --scan-resolution <int> [0] [read-only] Scan resolution If the response doesn't contain lines starting with [pixma], your scanner doesn't support button controlled scanning. If you can see lines starting with [pixma], please report this data for all available buttons. Hope this helps. Cheers, Rolf Am 30.03.2017 um 00:06 schrieb James Duvall: > I have a Canon PIXMA MG5420 printer/scanner that seems to mostly work > with sane-pixma backend. Support for the MG5400 series is still > listed as unconfirmed in the documentation. I would be happy to test > my device and report any results. > > I am running Ubuntu 16.10 (yakkety) amd64 > In the Ubuntu package release (sane-utils > 1.0.25+git20150528-1ubuntu2), the systemd configuration for saned is > broken, but it works fine with the updated build from > ppa:rolfbensch/sane-git. I am using the following: > sane 1.0.14-11 amd64 > libsane 1.0.26-git20160712 > sane-utils 1.0.26-git20160712 > > I primarily use the scanner over a wifi network, and most features > seem to work > Here is what works: > scanning from Simple Scan 3.22.0.1 > scanning from XSane 0.999 > All resolutions (75, 150, 300, 600, 1200, 2400 dpi) > > Here is what doesn't work: > button controlled scanning > initiating scanning from the scanner control panel > > For the items that don't work, it is entirely possible that I just > don't understand how to configure these features correctly. With my > win7 box with the proprietary Canon IJ network tool installed, I am > able to select my computer as a destination for the scanned file, then > initiate the scan by hitting either the "Start Color" or "Start B&W" > buttons on the pixma front panel. I am normally unable to see my > Ubuntu box on this destination list. However, if I enter > scanimage -d pixma:MG5400_192.168.0.3 --button-controlled=yes > tempimage > My Ubuntu box will temporarily appear in the destination list. > However, I am still unable to initiate the scan. > > I don't know anything about the BJNP protocol except what I read in > the sane-pixma documentation, but I am happy to learn and help you test. > > Regards, > James
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