Re: xsane doesn't work

[Angelo Moreschini <mrangelo.fedora@xxxxxxxxx>]

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.fedora@xxxxxxxxx> 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.greshko@xxxxxxxxxxx> 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.

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