hpijs: hpijs (Hewlett-Packard inkjet drivers for Ghostscript) hpijs: hpijs: The Hewlett-Packard Inkjet Driver Project (HPIJS) is an add-on printer hpijs: driver for GNU Ghostscript. There are two parts to the IJS interface: hpijs: the IJS client that resides in GNU Ghostscript, and the IJS server hpijs: (in this package). HPIJS runs as a server or co-process to GNU hpijs: Ghostscript. The server is spawned automatically by GNU Ghostscript. hpijs: hpijs: There are currently more than 80 HP inkjet printer models supported hpijs: with HPIJS. hpijs: