CUPS printing problem with USB

[tom at buskey.name (Tom Buskey)]

Greg Rundlett wrote:
> I celebrated earlier this week having finally connected Open Office and 
> Mozilla to CUPS through KPrinter so that I could actually print things 
> from the applications that I use constantly.  All of a sudden (without 
> changing anything that I'm aware of), CUPS can't open my USB device.
> 
> Here is what I see in the CUPS web interface 
> (http://spidey.buzgate.org:631/printers/spideyPrinter)
> Description: hp DeskJet 5550
> Location: Greg's Desk
> Printer State: processing, accepting jobs.
> /"Unable to open USB device 
> "usb://hp/deskjet%205550?serial=MY29P1N4G32L": No such device"/
> Device URI: usb://hp/deskjet%205550?serial=MY29P1N4G32L
.
.
.
> Anyone have insight into this problem?
> 
>

lsmod | grep printer
Here's my system's output:
printer                 8576   0 (unused)
usbcore                74988   1 [usb-storage usbmouse hid printer 
ehci-hcd usb-uhci]

If printer isn't loaded & part of usbcore, your printer isn't seen on 
the USB port.