Just to add the following information: The command "driverless" is showing me the printer, beginning with ipp://.....
Does this mean, this printer does not need any ppd-file? And who sets and where are the rights for this kind of printers set? As I already mentioned: The printer obviously gets the print job, but it looks like it can not confirm the reception or the computer is forbidding to print. If I reboot the computer, the sent printjobs are printed by the printer, so I believe, the computer is stopping the printer from the received print job. Hope, I explained it understandable, English is not my native language. Best regards Hans