Hairetikos, I've given some additional information here about WSD services, and how this technology can be used with WSD printers. I've posted it as many people seem to ignore this feature, and I find it to be pretty useful to use as it greatly simpl...
Solved here !!! I've been also impacted by the blocking error message with a MX535 multifunction: "Another computer is using the printer" As there's no menu in this multifunction to reset the device, the simple solution that solved the issue for me...