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 enhancement makes inks appear uniform, vivid, and vibrant. 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.