The compatible Black E40 toner cartridge for Canon printer is guaranteed to produce sharp, clear and professional printing results. Our generic Black E40, 1491A002AA toner cartridge is professionally manufactured to meet the highest standards. This E40 toner cartridge can handle your large, sophisticated projects, as well as basic documents. Our compatible E40 toner cartridge is a replacement for OEM Canon E40, 1491A002AA toner cartridge. Purchasing our compatible E40 toner cartridge will meet your expectations and is an excellent way to save money.