Re: usb/cups printer problem after etch upgrade

[graham <graham@theseamans.net>]

Hi Florian,

Thanks for the response! Answers inline below: basically everything 
seems to be right - but cups still thinks the printer is paused...

Florian Kulzer wrote:
> On Thu, Apr 26, 2007 at 15:18:52 +0100, graham wrote:
> > Hi,
> >
> > I have a server running cups, with a wireless usb connector connected to a 
> > remote Brother 5040 laser printer. It's always worked fine, modulo a little 
> > crackle on the television when printing ;-)
> >
> > After upgrading the server to etch (without any major problems) cups no 
> > longer sees the printer. Cups is running ok, and knows about the printer, 
> > but the web interface always displays the message:
> >
> > " HL5040 (Default Printer) "Printer not connected; will retry in 30 
> > seconds..."
> >
> > lsusb shows that the printer is there, and visible over wireless:
> >
> > snoopy: lsusb
> > Bus 003 Device 002: ID 13fd:0540
> > Bus 003 Device 001: ID 0000:0000
> > Bus 002 Device 001: ID 0000:0000
> > Bus 001 Device 028: ID 04f9:0016 Brother Industries, Ltd
> > Bus 001 Device 001: ID 0000:0000
> >
> > lsmod shows I have the usb modules:
> >
> > snoopy: lsmod
> > <snip>
> > ehci_hcd               27144  0
> > ohci_hcd               17540  0
> > sis900                 21120  0
> > mii                     5376  1 sis900
> > usbcore               109444  5 usblp,usb_storage,ehci_hcd,ohci_hcd
> >
> >
> > I guess this is yet another strangeness with changes to udev?
>
> That is possible, but it could also be due to the changes between CUPS
> 1.1 and 1.2. AFAIK, some ways of specifying the DeviceURI have become
> obsolete for the new version.

Seems likely, though I haven't spotted the new way in the docs. There's 
another etch user on the cups mailing list with a similar-sounding 
problem (but no answers).

> The obligatory checklist for the udev transition is:
> Did you purge hotplug?

apt-get remove hotplug
Reading package lists... Done
Building dependency tree... Done
Package hotplug is not installed, so not removed

> Did you upgrade to the 2.6.18 kernel?

uname -r
2.6.18-4-486

> You can run
>
> tail -fn0 /var/log/syslog | sed 's/.*kernel: //'

ohci_hcd 0000:00:03.0: wakeup
usb 1-1: new full speed USB device using ohci_hcd and address 83
usb 1-1: configuration #1 chosen from 1 choice
drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 83 if 0 
alt 0 proto 2 vid 0x04F9 pid 0x0016


> and check if udev creates a device node when the printer is switched on
> or when you plug in the usb connector. (Press CTRL+C to return to the
> shell prompt.)
>
> > Has anyone else run into the same problem, or found a solution?
>
> Post the output that you get when you run
>
> /usr/lib/cups/backend/usb
snoopy>/usr/lib/cups/backend/usb
direct usb://Brother/HL-5040%20series "Brother HL-5040 series" "Brother 
HL-5040 series USB #1" "MFG:Brother;CMD:PJL,PCL,PCLXL;MDL:HL-5040 
series;CLS:PRINTER;"

Thanks again
Graham