Cash Drawer Open When I Press Cash

HI

I have Problem i have setup cash drawer button its working fine. i have set auto printing opting for cash. same time i need top open cash drawer also. ( Need to print bill and cash drawer open at same time). if i set auto print for cash drawer . cash bill not printing. any one can help me

You can create a new payment processed rule and you can add actions to open drawer and print bill

OK ill try thank for you reply