Canon FB630U does not scan

Bug #106776 describes this for Feisty. It has not been fixed in Gutsy.

One difference to 106776: Pressing Acquire now at least triggers the reset of the scan bar in the scanner. Other than that nothing happens.

lsusb:

Bus 004 Device 001: ID 0000:0000
Bus 001 Device 003: ID 05ac:0304 Apple Computer, Inc.
Bus 001 Device 001: ID 0000:0000
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 003: ID 04a9:2204 Canon, Inc. CanoScan FB630U
Bus 002 Device 002: ID 03f0:011d Hewlett-Packard
Bus 002 Device 001: ID 0000:0000

scanimage -L

device `canon630u:libusb:002:003' is a CANON Canoscan FB630U flatbed scanner