On Thu 16 Jun 2022, at 22:13, Hans <hans.ullr...@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 submitted a bug report re my own issue to Debian, and was asked to report upstream, which I have now done. Hans may like to follow this or perhaps add details of his experience, which I suspect is a result of the same problem. https://github.com/OpenPrinting/cups-filters/issues/472 Best wishes Gareth > > 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