Hi,
the external printer is a great addition to the current voucher support
from Marcel Wiget.

> 
> Yes, but I don't know of any small bon printer, which has a lan
> interface. Are there any? Maybe we should consider using a small printer
> server for that. Other solution would be to stop using the serial port
> for the console (we can make that optional) or adding another serial
> port the mainboard. Last problem: finding a set of suitable printer
> drivers.

I see two possible solutions:
a) print server and a small coupon printer.
b) coupon Printer with a LAN Interface (Zyxel has one added to their
G-4100 v2 WLAN Hotspot Gateway. I do not think they manufacture this
Printer themselves. I will start doing some "googeling"

Jakob