Even though there are only 4 different models in the Okioffice Series like all the other printers they give you the best printing you’ll see. Our vast variety of high quality compatible Okidata toner cartridges give you the best deals for the very lowest prices. We also offer OEM toner cartridges. Use our quick search tool at the top left hand corner of the web page to find the specific model number you need. Our 100% satisfaction guarantee is included in all of our cartridges.