Can you run the command
lpstat -v
in a terminal window and also follow the instructions in the "error_log" section of https://wiki.ubuntu.com/DebuggingPrintingProblems for a print job leading to a "backend failed".
Can you run the command
lpstat -v
in a terminal window and also follow the instructions in the "error_log" section of https:/ /wiki.ubuntu. com/DebuggingPr intingProblems for a print job leading to a "backend failed".