Printer HP DeskJet 710 cannot be,connected to

[stelp]

After upgrading from 7.10 to 8.04 the intalled printer - HP DeskJet 710C 
- cannot be
connected to. The repeated log messages are :

May 17  parport0: prnt/backend/hp.c 496: unable to connect hpssd socket 
2207: Connection refused
May 17  parport0: prnt/backend/hp.c 636: INFO: open device failed; will 
retry in 30 seconds...
May 17  parport0: io/hpmud/pp.c 627: unable to read device-id ret=-110

As i have no knowledge on the printing system, i'm looking for
for some hints what to do

thanks
sp