In Verifone vx520 i faced in tamper error. How could i fix this error? Is there any way to fix this error ( TAMPER ERROR )? I can't do anything with this error and it's just shown in display.

I am writing a point of sale application for a client who has some very specific needs. The client is a retail store, so when they process credit cards, they have a physical card present and can sw...

I'm trying to show a bitmap image on a Verifone VX 520 screen. I tried using the put_BMP() function but it returns -1 and the image doesn't show. The image is monochrome and 128x128 pixels. Here i...

Currently I'm working in a team creating a custom POS solution. We came to a point were we'd like to integrate with a IC/Credit Card terminal (like VeriFone which we have, i.e. Vx510). I thin...

Ideally, I would connect an Ingenico/VeriFone terminal to the net via an Ethernet cable, the terminal will exclusively run a program that I wrote. This program would poll a webservice, beep when it...