On the MAC Go to Spotlight > search for Network utility > select Ping tab > enter the IP address of the printer in the box.Obtain the IP address of the printer by clicking on the Wireless icon on the printer.To isolate the issue, please perform a ping test and share the results. What is the make and model of your router? What happens when you try to print images? Is it an issue with a particular application you are printing from or all applications?