ChromaCast E40 Premium Compatible Black Toner Cartridge - Replacement for Canon E40 (1491A002AA) ChromaCast E40 Black Toner Cartridge Compatible for Canon E40 (1491A002AA) Page yield: approx. 3,000 pages per cartridge. ChromaCast cartridges are produced using precisely matched, new, reconditioned, and recycled components. All trademarks, names and reorder numbers are property of their respective owners, and are not affiliated with ChromaCast brand. All listings are for compatibility reference only. This is not an original Equipment Manufacturer?s product.