DrMartinus

Thanks for the suggestions and ideas. Since I put this in the wrong section, I posted the issue again at [https://github.com/OpenPrinting/cups/issues/429](url). I mark this now as closed and resolved, even...

This is a USB connected printer. I installed ipp-usb - it was not originally installed. But so far no luck. When I enter the above with a proper URI (I...

Here the output of `lsusb -v | grep -A 3 bInterfaceClass.*7`: ``` bInterfaceClass 7 Printer bInterfaceSubClass 1 Printer bInterfaceProtocol 2 Bidirectional iInterface 0 Couldn't open device, some information will be...

Now a new problem: I could print some docs with duplex set to on, and it printed duplex. Then I wanted to print another, though similar, doc, and all of...

And the problems continue: When I print duplex, it seems that when it's set to flip pages along the long side, it prints them as flipped over the short side,...

@zdohnal Thank you for pointing that out. While trying to do everything that's listed there, I took a look at the ppd and found that duplex printing was set like...

I apologize, I found out how it works, I entered the correct path to the lilypond binary (/bin/lilypond), yet it says that it's not installed. Hence it's useless.