Developer Estimated Yield: up to 300,000 pages; when printing simplex.¦Photoconductor Estimated Yield: up to 175,000 pages; when printing simplex.¦Maximum yield estimate based on 3 average letter/A4-size pages per print job at approximately 5% print coverage. 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.