usb printer not detetcted in 1.4

[Ajay]

Update,

/var/log/messages shows some arror, not sure if it affects CUPS

new high speed USB device using ehci_hcd and address 3
Jan 13 12:31:46 phobos kernel: usb 1-1: configuration #1 chosen from 1 choice
Jan 13 12:31:46 phobos load-modules.sh: Not loading module 'usblp' for alias 'usb:v04A9p26A3d0100dc00dsc00dp00ic07isc01ip02' because it is blacklisted
Jan 13 12:31:46 phobos load-modules.sh: 'usb:v04A9p26A3d0100dc00dsc00dp00icFFisc00ipFF' is not a valid module or alias name

dmesg output

usb 1-1: new high speed USB device using ehci_hcd and address 3
usb 1-1: configuration #1 chosen from 1 choice


> Hi,
>
> Canon MF 4150 worked fine in Cups 1.3x with the UFRII driver from canon,I'm running Arch Linux and the system is updated
>
> CUPS 1.4 fails to even detect the printer,
>
> It shows up on lsusb
>
> Bus 001 Device 002: ID 04a9:26a3 Canon, Inc. MF4100 series
>
> output of usb -v s 1:2 is pasted at http://pastebin.org/75295
> looks like the device is identifying itself as a printer,
> blacklisted usbllp module and created custom udev rule as discussed in this thread
>
> http://bbs.archlinux.org/viewtopic.php?pid=681730
>
> and it works, udev assigns ownership to lp group
>
> crw-rw-r-- 1 root root 189,   0 Jan 13 09:39 /dev/bus/usb/001/001
> crw-rw-r-- 1 root lp   189,   1 Jan 13 11:57 /dev/bus/usb/001/002
>
> my username is in lp group,
> CUPS Loglevel is set debug,the relevant section is at http://pastebin.org/75312
> usb backed starts, but fails to detect the printer,
>
> [CGI] usb_find_devices=5
> D [13/Jan/2010:11:25:38 +0530] [cups-deviced] PID 4030 (usb) exited with no errors
>
> lpinfo -v shows nothing as expected,
>
> network socket
> network http
> network lpd
> network ipp
> network smb
> direct scsi
> direct parallel:/dev/lp0
>
> i guess this is a problem with the new libusb backend,
>
> Is there something i'm missing or any workaround that maybe of use?