I have the same problem with the same router with my canon MP3560.
I've tried disabling WPS, tried all types of wireless encryption and no encyption, various routers settings, running in wireless B/G, static IP's, static ARP entries.. and probably more!
It worked once, but nothing since then!
I've tried disabling WPS, tried all types of wireless encryption and no encyption, various routers settings, running in wireless B/G, static IP's, static ARP entries.. and probably more!
It worked once, but nothing since then!