This Innovera printer toner cartridge is a high-quality replacement for the CE278A - 78A model cartridge. It is compatible with Canon and HP printers that require a monochrome laser toner. This black toner is perfect for printing professional documents and offers reliable performance.The IVR-E278A model cartridge is designed to replace the CE278A - 78A cartridge and is compatible with HP LaserJet Pro M1536DNF/P1566/P1606DN printers. This toner cartridge is a cost-effective solution for those who need high-quality printing without breaking the bank. Order this toner cartridge today and enjoy professional-quality printing at an affordable price.