MICR/Check Printer Toner for use in HP LaserJet 4000, 4050 series laser printer Black MICR toner cartridge - high yield (10,000 page/yield)

MICR Toner cartridge for HP Laserjet 4000 series laser printers (6,000 page yield) (MICR version of HP # C4127A)

HP LaserJet 4000, 4050 & Troy 617 laser printers MICR Toner for printing checks (High Yield) (10,000 Yield)

HP LaserJet 4000, 4050 series laser printers - MICR SECURITY Toner for printing CHECKS (approx. 10,000 Yield). This toner creates a red stain if text alteration is attempted.