I tried to reinstall the printer, and made many other tries (also restoring the default options from the setting table) without success. But likely I have another computer that use the same printer... (it works good with scanner mode). So I copied the files in the directory ~/.sane/xsane from the other computer in the computer that it doesn't worked .... *AND THAT RESOLVED THE PROBLEM.*
*Very strange the same working around didn't work by restoring the data with the option "Load Device Setting" in the tab "Preferences"* Thank you Ed for your interest to my problem. On Mon, Aug 27, 2018 at 9:49 AM Angelo Moreschini <mrangelo.fed...@gmail.com> wrote: > I reinstalled CUPS but this wasn't enough. > actually when I launch xsane yournalctl report : > failed to open hpaio:/usb/Deskjet_2510_series?serial=CN34B3JGDN05TX: > Error during device IO > > > the window of xsane start anyhow, bu whe > > On Sat, Aug 25, 2018 at 5:22 PM Ed Greshko <ed.gres...@greshko.com> wrote: > >> On 08/25/18 21:59, Angelo Moreschini wrote: >> > $ sane-find-scanner I get : >> > found USB scanner (vendor=0x03f0 [HP], product=0xac11 [*Deskjet 2510 >> series*]) at >> > libusb:003:006 >> > >> > yes, on my computer it is installed hplip - and I also tried to run >> hp-plugin.. >> > I don't remember if I needed hp-setup for the first installation. >> >> According to >> >> https://developers.hp.com/hp-linux-imaging-and-printing/supported_devices/index >> your >> printer doesn't need a plugin. >> > >> > I also tried to reinstall xsane but this wasn't enough (the file of >> setup remained) . >> >> I was actually suggesting deleting the printer devices and redoing >> hp-setup. I found >> that using the hp-setup and hp-toolbox utilities to helpful in getting >> HP printers setup. >> > >> > xsane worked good for much time as till I made samting wrong ... (in >> the setup >> > panel (?)) >> > >> > *I rewrite the content of journalctl... >> > >> > *Aug 25 11:18:04 localhost.pluto xsane[2791]: *scan/sane/http.c 300: >> unable to open >> > HP-LEDM-SCAN channel* >> > Aug 25 11:18:04 localhost.pluto xsane[2791]: *scan/sane/bb_ledm.c 531: >> unable to >> > open http connection hp:/usb/Deskjet_2510_series?serial=CN34B3JGDN05TX* >> >> >> The message seems to be saying that http protocol is used over the USB >> port to >> communicate with printer/scanner. I'm not familiar with USB >> printer/scanners. I do >> wonder if you can print or if that fails as well? >> >> And, how about resetting the device to the factory settings if you think >> you may have >> made some changes by accident? >> >> -- >> Conjecture is just a conclusion based on incomplete information. It isn't >> a fact. >> >> _______________________________________________ >> users mailing list -- users@lists.fedoraproject.org >> To unsubscribe send an email to users-le...@lists.fedoraproject.org >> Fedora Code of Conduct: https://getfedora.org/code-of-conduct.html >> List Guidelines: https://fedoraproject.org/wiki/Mailing_list_guidelines >> List Archives: >> https://lists.fedoraproject.org/archives/list/users@lists.fedoraproject.org >> >
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