Thx for the help. I re-installed the drivers as you suggested, but this did not help. However, my (dumb) mistake with respect to "Printing on stdin" was that I was selecting "COPY" instead of "SAVE" in Xsane window. All is well now.
On Thu, Jan 23, 2020 at 10:13 PM Jörn-Ingo Weigert <[email protected]> wrote: > I kindly ask you to answer to the sane-devel list, instead of me. > > Rolf Bensch is on the list too and can you help on your issue better than > me. > > But removing a printer as you mentioned doesn't mean, not being able to > scan. Those are different things. Your problems rely somewhere else. For > example the place where sane-backends are stored. > > I would simply deinstall any vendor related driver packages and install > from the vendor the ones designed for Ubuntu 18.04 and follow their install > instructions. > > I hope I could give you some hints. > > Ingo Weigert > > Lou DeGenaro <[email protected]> schrieb am Fr., 24. Jan. 2020, > 03:37: > >> I'm on shaky ground here and don't understand all the moving parts. I'm >> using Xsane and CUPS, and the all-in-one is wireless. >> >> I found that I had 3 printers defined , so I removed 2 of them and and >> left with: >> >> root@HAL9000:/etc/default# lpstat -p -d >> printer MFCJ6945DW is idle. enabled since Thu 23 Jan 2020 09:11:38 PM EST >> system default destination: MFCJ6945DW >> >> When I scan now, I no longer get the above error. I get a printed copy >> with a pop-up window message "Printing on stdin". What's wanted is a file >> on disk. >> >> >> >> >> On Thu, Jan 23, 2020 at 9:23 PM Jörn-Ingo Weigert <[email protected]> >> wrote: >> >>> Hi it would be nice when you provide: >>> >>> The Frontend-Programm (XSane, simplescan, etc) you used, which produced >>> this error. >>> >>> Provide the version of sane-backends you currently using. >>> >>> afaik, Ubuntu 18.04 delivers a 1.0.27 experimental version. >>> >>> If you use your Scanner on a USB3 port, please try to use a USB2 port >>> first, as their are still known issues with USB3. >>> >>> Kind regards, >>> >>> Ingo Weigert >>> Try to use a more recent version from Rolf Bensch, he provide a >>> repository on launchpad for Ubuntu users. >>> >>> Kind regards, >>> >>> >>> >>> Lou DeGenaro <[email protected]> schrieb am Fr., 24. Jan. 2020, >>> 03:03: >>> >>>> Just upgraded from Ubuntu 16.04 to 18.04. Have networked Brother J6945 >>>> all-in-one that was working perfectly on 16.04. At 18.04 I can print, but >>>> get the subject message when I try to scan. Please advise. >>>> >>>
