why wont my hp photosmart c4580 connect wirelessly to my iMac or macbook
iMac el capitan 10.11.5 how do i connect wirelessly to my HP Photosmart C4580
iMac, Mac OS X (10.6.8), make photo passport size
HP – Printer Not Found During Wireless Installation
Network Printer Troubleshooting
Ping printer: If you have the printers IP address open Terminal (Applications/Utilities) and at the prompt type: ping {printerIP}. You will get a reply or failure.
Printer Troubleshooting - Yosemite
If you haven't done so already, try resetting the printing system.
OS X Mavericks: Reset the printing system
also Yosemite