Keytek Compatible Epson ERC 30/34/38 Black/Red Ribbon This Keytek Compatible Epson ERC 30/34/38 Ribbon is designed to deliver crisp, high quality print results. This ribbon is compatible with a variety of POS printers and is easy to install so you can do it yourself. Keytek Compatible OKI 520 and 590 Ribbon Black This Keytek Compatible OKI 520/590 Ribbon will ensure that your prints are clear and easy to read. The ribbon is black which makes it suitable for use on all types of paper. Epson Ribbon Black ERC-38B This Epson ERC-38B Ribbon can be used to extend the lifespan of your thermal printer. The ribbon is black to provide your labels and prints with defined and clear lines. It has an approximate lifespan of up to 3 million characters so you won't have to replace it as frequently. Keytek Compatible OKI Ribbon This Keytek Compatible OKI Ribbon will ensure that your printer continues to produce clear and quality printouts. The ribbon is black which makes it suitable for use on all types of paper.