20PCS CRG119 319 519 719 Toner Chip for ImageClass MF5850dn 5880dn 5950dw 5960dn LBP6300dn 6650dn 6670dn Toner chip compatible with ImageClass models MF5850dn, MF5880dn, MF5950dw, MF5960dn, LBP6300dn, LBP6650dn, and LBP6670dn.Each pack contains 20 pieces of CRG119, also known as 319, 519, or 719 chips.Designed to reset the toner cartridge indicator, allowing continued printer use after replacing the toner.Easy to install directly onto the cartridge.Compatible with cartridges requiring a chip replacement.