I am having the same problems.
Yesterday everything was printing fine. Today I came into my office and tried to print something from my MBP and it won't work.
I can scan from network folder to my MBP.
Other computers that are hard wired to the printer can print.
My MBP is wireless and it won't. Have done a hard reset of the router. Reset and add printer.
Printer is recognized. It just says Idle. Printing 1%. But doesn't actually print.
Any help is appreciated. Thank you.