Polaroid E40 Replacement Toner Cartridge for Canon E40 - Black High performance, guaranteed replacement toner cartridge from Polaroid, the leader in digital imaging. Black replacement toner for Canon PC and FC series machines (see full compatibility below). Approximate yield: 4000 pages at 5% page coverage Smart engineering means a perfect fit for your machine while providing the same performance and reliability as original Canon supplies. Helps protect our environment by containing recycled components, resulting in over 90% of the original cartridge's non-wearing parts from needlessly clogging landfills.