Manufacturer
Best MICR #C4127X-MICR - Black MICR Toner genuine
MICR/Check Printer Toner for use in HP LaserJet 4000, 4050 series laser printer Black MICR toner cartridge - high yield (10,000 page/yield)
Dataproducts #57800 - Black Toner compatible
HP LaserJet 4000, Laserjet 4050 series laser printers - Black Toner Cartridge by Dataproducts (10k yield) (same as HP # C4127X)
Lexmark #140127A - Black Toner genuine
Linea Compatible LaserJet series 4000, 4050 laser toner cartridge (6,000 Yield) (same as HPC4127A)
Lexmark #140127X - Black Toner genuine
Linea Compatible LaserJet series 4000, 4050 laser toner cartridge (10,000 Yield) (same as HPC4127X)
TROY #02-18944-001 - Black MICR Toner genuine
HP LaserJet 4000, 4050 & Troy 617 laser printers MICR Toner for printing checks (High Yield) (10,000 Yield)
TROY #02-81149-001 - Black Secure MICR Toner genuine
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.