Linea Compatible LaserJet series 4000, 4050 laser toner cartridge (6,000 Yield) (same as HPC4127A)

Linea Compatible LaserJet series 4000, 4050 laser toner cartridge (10,000 Yield) (same as HPC4127X)

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.