The Katun MX-561NT Black Toner Cartridge is compatible with Sharp MX-M364N and MX-M365N printers, providing a high-quality print output of up to 40,000 pages. This laser print technology ensures sharp and professional-looking documents in black color. The unit quantity is 1 and it is designed specifically for use with Sharp printers like MX-M2630, MX-M2651, MX-M3050, and MX-M3051. As a reliable and compatible toner cartridge, the Katun MX-561NT is an essential component for maintaining a smooth and efficient printing process.