We are experts on connecting SAM4s cash registers to credit card payments using Datacap devices. Although it is simple once you understand how it works, navigating the steps can seem complicated at first. Most SAM4s cash register can process credit cards using a Datacap device to accept standard credit cards and EMV chipped cards with certain processors. we also can help you re-program a Datacap Twin Tran, Tran Server, IPTran from one processor to another. Please feel free to call us at 1-800-863-2274 so we can help you plan your card payment process on your SAM4s cash register.