Copier toner delivers consistently crisp print quality. Designed for use with Xerox 5018, 5021, 5028, 5034, 5328, 5334, 5624, 5626, 5818, 5820, 5828, 5830 and Bookmark 21. Yields 10,000 pages based on 5 percent coverage. Yield will vary depending on coverage and print/copy resolution used.