Old Laserjet 5M (postscript driver), was working fine under WIN 8, but will not print after ugrade to 8.1. Printer is in "error mode" and offline. Nevertheless, printer continues to print from a Mac IIsi. I suppose turning printer to online mode would not work while it is in error mode, but I don't know how to switch it anyway. Troubleshooter finds no problems. Device Manager says printer ready. All suggestions welcome.
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