With a 99.99 percent Jam-Free design, high-quality multipurpose paper runs well through electronic imaging equipment as well as conventional offset presses. ColorLok Technology delivers brighter colors, bolder blacks and faster dry times. 20 lb. paper is acid-free for added archival-quality that extends the life of your document. Multipurpose paper is compatible with small and large offset presses, copiers, laser printers, inkjet printers and fax machines that use plain paper.