Compatible Replacements for Okidata 43502301 (Type 9) Set of 2 Black Laser Toner Cartridges for use in Okidata B4400, B4400n, B4500, B4500n, B4550, B4550n, B4600, B4600n, and B4600n PS Printers - Walmart.com
ABCToner - Compatible Toner For Oki B4400 B4600 by ABC
OKIDATA B4400-4600 BLACK TONER CARTRIDGE #43502301 - Parts Queen