Print to port usb

[Paul]

Hello,
I have a printer usb Posiflex PP 6800, is a printer for a TPV
I need to send a string of escape to open the cash drawer, which is
connected to the printer.
But How can I send a stirng for a usb port?

Thanks

 

[Luuk]

Hello,
I have a printer usb Posiflex PP 6800, is a printer for a TPV
I need to send a string of escape to open the cash drawer, which is
connected to the printer.
But How can I send a stirng for a usb port?

Thanks

googling for:
"usb Posiflex PP 6800 open cash drawer from csharp"

revealed (fifth link, or so):
http://www.experts-exchange.com/Programming/Languages/C_Sharp/Q_23903648.html

which leads to:
http://www.posworld.com/eprecprinvis.html

This last page has an example how to do it from VB....

/me hopes this helps..