can't add printer list

I am using a mac mini with the latest software, and the last 2 days i cant print with my printer. and it said "Paused" but it connected via airprint. looked for a way and I decided to remove the printer. and, now i can't add my printer to the lists, but my mac can detected my printer. i have reset printer system, but thats not work at all. anyone know how to solve the problem?