Take a giant leap in longevity with this imaging unit. Standout performance and maximum yield deliver a true investment in efficiency for Lexmark cs310n, cs310dn, cs410n, cs410dtn, cs410dn, CX310N, cx310dn, cx410dte, cx410de, cx410e, cs510de, cs510dte, cx510dthe, cx510de and cx510dhe. Imaging unit lasts approximately 40,000 pages.