Premium Compatibles - Lexmark 50F0U0G Black Toner Cartridge20K Yield TAA and GSA Compliant for Lexmark MS510, MS510dn, MS610, MS610de, MS610dn, MS610dte, MS610dtn Genuine PCI Brand Replacement Quality Made in the USA. PCI UPC 845161052143 (PCI Reorder No. 50F0U0G-PCI)