MICR/Check Printer Toner for use in Lexmark T640, T642, T644 series laser printers - High Yield Toner Cartridge (21,000 Yield)

Infoprint 1532, 1552, 1570mfp, 1572mfp, 1650mfp and Lexmark T640, T642, T644, X642, X644, X646 series laser printers - Low voltage Maintenance Kit (110volt) (300,000 Yield) (charge roller, transfer roller, 6 feed rollers, fuser assembly)

Lexmark T640, T642, T644, X644, X646 series laser printers - Security MICR Toner Cartridge for printing checks (15,000 check yieldYield) (MICR version of Lexmark 64037HR). Toner creates a red stain if text alteration is attempted.