User Activity

won't print.get error message (no code)is connected to WiFi.unplugged & replugged. troubleshooter finds a probelm but doesn't id it. what now?
is there a replacement for the PIXMA MG7720?
maybe I can find one on ebay
The cyan color still shows white lines through it on the nozzle check printout.I have even changed the cartridge to no avail. suggestions? no improvement shown from one deep cleaning to the next.