lp0 is equivalant to LPT1

Knoppix 2003-04-18.en use hpijs 1.3-2 and many HP printer bloc after
each page. My HPOfficeJet725 print a bad page after restart and after 2 restart only on good page are possible.

But form according to http://hpoj.sourceforge.net/
6-February-2003
HP released hpijs version 1.3.1 to correct the printer-hang problem with the OfficeJet 500/600/700 and PSC 300 series products.

From http://hpinkjet.sourceforge.net/ I have donwload and install hpijs 13.1 now my HPOfficeJet725 workwell.

I suggest to update hpijs in KNOPPIX and Debian.