Re: non installed printer can not be removed
On Thu 16 Jun 2022, at 22:13, Hans <hans.ullrich@loop.de> wrote:
> Hi folks,
>
> I am struggeling with a little problem, I can not explain.
>
> A friend of mine uses a printer (Samsung SL-C480FW), which is connected to the
> router with wireless. However, although there are no drivers and no ppd-files
> installed, the printer is seen by cups (and also by system-printer-config) but
> can not be used (think, because the missing ppd-file).
>
> When this is installed, udev-entries and so on are set, then the printer is
> seen for example with ipp://192.168.*.*.
>
> However, printing does not work, although the printer gets data, but then
> hangs. I believe, this is a driver problem (because this appeared, since my
> friend got a new router (FritzBox).
>
> I hope, for this I will find a solution, so hints are welcome, buut not the
> reason for this thread.
>
> Much more I am interested, to know, why I can not delete the printer in CUPS
> or system-config-printer? Any printer I add, can be deleted, but the last
> entry can not be deleted.
>
> What is wrong? Why does the kernel see the correct printer, and where does it
> get its information? It is not connected at the USB-port, so no information
> could be taken from this.
>
> Any ideas?
>
> Thanks for any help!
>
> Best regards
>
> Hans
Various sources (but not HP documentation afaics) suggest this printer is airprint-compatible.
https://www.amazon.co.uk/Samsung-C480FW-Colour-Multifunction-Printer/dp/B010NE2HKI
https://productz.com/en/samsung-xpress-sl-c480fw/p/wxnG7
If so, I would suggest "cannot delete" = continuous autodetection.
What is the output of
$ driverless
As for not actually being able to print, I have a problem like that too which has only recently emerged with an airprint printer which worked until recently.
You might find you can print (as I do) if you add a queue via lpadmin.
As helped me recently:
"# lpinfo -v
to get a list of URLs (the one starting with ipp:// is the one
necessary), and then something like
# lpadmin -p Brother2740 -v IPP_URL_FROM_ABOVE -E -m everywhere"
https://lists.debian.org/debian-user/2022/06/msg00212.html
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