These Lexmark supplies are designed to provide value, reliability and outstanding print quality.Yield*: For C935 and X945e, For each, up to 47,000 pages; For X940e, For each, up to 44,000 pages. Contains 3 units. *Photoconductor maximum yield estimate based on 5 average letter/A4-size pages per print job. Actual Yield may vary based on other factors such as device speed, paper size and feed orientation, toner coverage, tray source, percentage of black-only printing and average print job complexity.* Yield may vary based on actual customer usage.