Because of the messages in /var/log/messages I pasted in the last comment, I installed hplip (see below), and now the messages changed, but the result is the same.
$ tail -f /var/log/messages ... Mar 31 12:06:32 phenomenux kernel: [ 4183.693015] usb 1-8: new high speed USB device using ehci_hcd and address 9 Mar 31 12:06:33 phenomenux kernel: [ 4184.205014] usb 2-8: new full speed USB device using ohci_hcd and address 8 Mar 31 12:06:33 phenomenux kernel: [ 4184.409478] usb 2-8: not running at top speed; connect to a high speed hub Mar 31 12:06:33 phenomenux kernel: [ 4184.435542] usb 2-8: configuration #1 chosen from 1 choice Mar 31 12:06:33 phenomenux logger: loading hp_laserjet_p1005 firmware 002 008 Mar 31 12:06:33 phenomenux kernel: [ 4184.445533] usblp0: USB Bidirectional printer dev 8 if 0 alt 0 proto 2 vid 0x03F0 pid 0x3D17 I installed hplip through Synaptic, the version is: 3.9.2-3ubuntu3 -- HP LaserJet P1005 printer does not work in Jaunty https://bugs.launchpad.net/bugs/352431 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs