my HP printer deskjet710-c is recognized but does not print under ubuntu 7.10

[nacerc]

my hp 710-c deskjet with a parallel port link was functionnal under ubuntu 7.04; I just upgraded to 7.10; the printer is recognized immediately ans installed.
When I try to send a test page there is no reaction and it doesn't print with any of the alternative software provided;

ProblemType: Bug
Architecture: i386
Date: Tue Oct 16 22:19:44 2007
DistroRelease: Ubuntu 7.10
ExecutablePath: /usr/bin/yelp
Package: yelp 2.19.90-0ubuntu3
PackageArchitecture: i386
ProcCmdline: yelp
ProcCwd: /home/master
ProcEnviron:
 PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
SourcePackage: yelp
Uname: Linux master-desktop 2.6.22-12-generic #1 SMP Sun Sep 23 18:11:30 GMT 2007 i686 GNU/Linux
UnreportableReason: Ceci n'est pas un authentique paquet Ubuntu

[thill3pg (serge-legouis)]

My printer ( HP deskjet 722C) worked correctly in 7.04

after the update in 7.10 the printer is detected but the jobs become stopped.

in /var/log/user.log I can see :

Oct 27 10:32:28 burleg parport0: io/hpmud/model.c 503: no DESKJET_720C attributes found in /usr/share/hplip/data/models/models.dat
Oct 27 10:32:28 burleg parport0: io/hpmud/model.c 514: no DESKJET_720C attributes found in /usr/share/hplip/data/models/unreleased/unreleased.dat

In models.dat the description for 720C and 722C are present but in lowercase.