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Open a cash drawer

Hi, i have a Point of sale program that use a epson tmu200 printer. also it usea a cash drawer. the cash drawer is connected to the printer epson by a rj11 cable, the pirnter epson send a pulse and open the cash drawer. the printer epson is a paraler port

i use this code

Open "LPT1:" & strcommNumber For Output As #1
Print #1, Chr(27) + Chr(112) + Chr(0)
Close #1

if i use a serial , or a usb port printer, it don,t  open the cash drawer, the code is just for pararel port printers.

The question is some body know the code to open tha cash drawer with a usb port printer ?
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cano63
Asked:
cano63
1 Solution
 
ogogCommented:
i used to do this by using the "virtual" com ports. Scince the USB is always associated with a com: port.

try replacing LPT1: by COM1:, COM2... etc. try them all. In my PC i've got a total of 9 COM: ports!

here is what i used, it's working fine:

        Open "COM1:" For Output As #1
            Print #1, Chr$(27); Chr$(112); Chr$(0)
        Close #1

it's just like yours but i'm using the coms. try all numbers untill you get it right. (see in the harware panel how many you've got)

tell me how it goes.
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