The CE278A For HP 78A Black Toner Cartridge is a compatible product designed for use with various HP printers. It is also compatible with select Canon printers, such as the LBP6200D, L190, and MF4550. This laser print technology cartridge has a page output of 2,100 pages at 5% coverage, making it an efficient printing solution for both office and personal use. With a 3-year manufacturer warranty, this black toner cartridge ensures high-quality printing results and long-lasting performance.