Lexmark Compliant 60F1H00, 601H High Yield RRemanufatured Toner-Black. Compatible with 50F1X00, 501X **Universal with 601H - Black. Fits Models: MS410, MS410D, MS410DB, MS510, MS510DN, MS610, MS610DE, MS610DN, MS610DTE, MS610DTN - Lexmark Compliant