en ce qui te concerne
http://hplipopensource.com/hplip-web/models/psc/psc_1200_series.html
donc, visiblement, c'est comme moi, c'est mort, sauf que, il y'a cette note en bas
"1 Network support indicates built-in ethernet and/or wireless networking. Alternatively, many devices may be operated on the network using an external JetDirect print server. Not all network configurations are supported. Please refer to the HPLIP FAQs for more information."