Is the connection wired or wireless? If it is connected via a USB cable then try unplugging the USB cable and reconnecting it. I've had the same problem through a wireless connection. Resetting the router worked for me.
Is the connection wired or wireless? If it is connected via a USB cable then try unplugging the USB cable and reconnecting it. I've had the same problem through a wireless connection. Resetting the router worked for me.
had to reconfigure my friend's router twice as it reset itself once back to default to get his pixma5220 printer to work with both his & his wife's macbooks.