HP Pro 8610 printer goes to sleep and becomes offline. Tried HP Doctor, etc. Only solution is to turn off and restart printer. Touching control panel on printer to wake up does not solve problem. Connection is WiFi and works fine if printer restarted. This is a new problem since I had to replace a modem for the WIFI. I did connect to printer directly via the WiFi network but that means I am not connected to any other website.