when your mac not responding to your printerReset the printing system on your Mac to solve a problem for more visit the below given link.
On your Mac,...
Akshay M
Resetting the Printing System in Mac OS
Click the Apple menu , click System Preferences, and then click Printers & Scanners or Print and Scan. Right-click or control + click anywhere in the Printers list, and then click Reset printing system. Click Reset to confirm.