The Model of POS Printer is Epson TM-U210 Series which can be connected a cash drawer with the features that can open a cash drawer through the "Control" font "A" sending to the COM Port POS Printer.
How to print a "Control" Fonts Character "A" to POS Printer?
Using Report? Letter Label? or Using the command "???"
I have try to use mscomm activex control, but i can't set portopen to true, any suggestion?
sohrab100