ftp.nice.ch/pub/next/tools/printer/HP_LaserJet_4_ppds.d.tar.gz#/ppd

HP_LaserJet_4_PostScript_300DPI.ppd
 

HP_LaserJet_4_PostScript_600DPI.ppd
 

HP_LaserJet_4_ppds.README
 

These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.