lpinfo does not show Canon MP530 printer

[H. Passer]

Hi, I'm using cups 1.4.2 on linux with 2.6-kernel. Now I attached my 
printer Canon MP530 via usb, but lpinfo -v won't recognize it.

# dmesg
[...]
usb 1-1.1: new high speed USB device using ar71xx-ehci and address 5
usb 1-1.1: configuration #1 chosen from 1 choice
usblp0: USB Bidirectional printer dev 5 if 1 alt 0 proto 2 vid 0x04A9 
pid 0x1712
usblp1: USB Bidirectional printer dev 5 if 2 alt 0 proto 2 vid 0x04A9 
pid 0x1712

# lsusb
Bus 001 Device 005: ID 04a9:1712 Canon, Inc. MP530
[...]
Bus 001 Device 002: ID 05e3:0608 Genesys Logic, Inc. USB-2.0 4-Port HUB
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Any idea what's wrong?
-Helge