So me and my wife have two laptops. Both of them are Macs. We also have a printer (Canon MG3600, though I really doubt this matters).
On one machine, we can print just fine. On the other, printing hangs indefinitely and displays "The printer is not responding". However, and here's where things get crazy, when viewing in CUPS, the printer appears just fine. Additionally, using the Printer's network diagnostic to print an IP address, pinging from one machine produces (as expected):
64 bytes from xxx.xxx.x.x: icmp_seq=547 ttl=64 time=4.758 ms
64 bytes from xxx.xxx.x.x: icmp_seq=548 ttl=64 time=4.361 ms
While on the other computer
Request timeout for icmp_seq 582
ping: sendto: Host is down
.... which... That's crazy right? I could understand printing not working but a simple network ping should be fine shouldn't it? (And yes the wifi works just fine).