Problem occured after reinstall of W10, my printer (Laserjet Pro 400 M401d) was detected as an optical drive. I am using the USB connection.
After tying all usual tricks (device delete, try all USB port 2.0 or 3.0, manual driver installation), I was about to give up and I went back on internet to search for help. Finally, this guy saved me with a so simple solution:
This solution was 14 pages away in my search results..... Should have come first, it would have saved me so much time