[nylug-talk] Ubuntu: Not Connected? Printer may not be connected

[pachai1 at optonline.net]

> > every so often the system forgets that the printer is there.
> > I get this:
> > Not Connected? Printer PSC... may not be connected
> >
> > Rebooting the printer resolves it.


> You want help debugging a printer connection issue, you
> should mention how
> the printer is connected. Parallel port? USB? Network?

The PSC 1315 is a USB printer.

>
> If it's connected via USB, have a look at the output of the
> 'dmesg', as there are kernel messages as USB devices
> are added or removed.   

>  Is perhaps the computer on a UPS but not the printer?


Sample messages below.
permissions on /dev/tty are   crw-rw-rw- 1 root root

Google seems to suggest dropping and re-adding 
the usb printer.


Thanks
Seth


[100792.140000] ppdev0: registered pardevice
[100792.140000] ppdev0: unregistered pardevice
[100792.752000] ppdev0: registered pardevice
[100792.800000] ppdev0: unregistered pardevice
[100792.904000] /build/buildd/linux-source-2.6.22-2.6.22/drivers/usb/class/usblp.c: usblp0: removed
[106913.976000] audit(1199162454.259:24):  type=1503 operation="inode_permission" requested_mask="rw" denied_mask="rw" name="/dev/tty" pid=10268 profile="/usr/sbin/cupsd"
[106913.992000] audit(1199162454.259:25):  type=1503 operation="inode_permission" requested_mask="rw" denied_mask="rw" name="/dev/tty" pid=10271 profile="/usr/sbin/cupsd"

[135563.240000] audit(1199191103.809:26):  type=1503 operation="inode_permission" requested_mask="rw" denied_mask="rw" name="/dev/tty" pid=13004 profile="/usr/sbin/cupsd"
[135563.288000] audit(1199191103.809:27):  type=1503 operation="inode_permission" requested_mask="rw" denied_mask="rw" name="/dev/tty" pid=13007 profile="/usr/sbin/cupsd"