Lexmark 561H Toner Cartridge, Black 15K High Yield, 56F1H00

Compatible with the following models:

MS321DN, MS421DN, MS421DW, MS521DN, MS621DN, MS622DE, MX321ADN, MX321ADW, MX421ADE, MX521ADE, MX521DE, MX522ADHE, MX622ADE, MX622ADHE