[sane-devel] Unsupported scanner Benq 5560

[kruvalig]

I have scanner Benq 5560.

idVendor              0x04A5
idProduct             0x2311

I don't khow the chipset of this scanner.
Q1. How i can to khow it?

result of command
sane-find-scanner -v -v
placed here  http://paste2.org/p/124654

I what to programm it that it work.

Q2. From what i have to start?