The SER-7040 by SAM4s uses 2.25" thermal paper rolls but does not require an ink ribbon. The SER-7040 has both a receipt and journal printer and they both use the same size paper. This machine has not been made in quite some time but we still offer support, programming and a number of parts. The parts we have available are the keyboard covers, cash drawer inserts, keytops, model lock keys and more. If you are looking for support or parts call us at 800-863-2274