Ninestar recently announced the release of compatible toner cartridges for the Lexmark MS710, MX710, MS810, MS811, and MS812 series of printers. Ninestar’s cartridges are compatible with the Lexmark 521 cartridges, used in the MS810 series, and the 621 cartridges, used in the MX710 and MX810 series.The printers were part of Lexmark’s huge product launch in
