This is a professionally developed toner refill kit for Okidata B4100 B4200 B4250 B4300 B4350 B4350n. Will yield 1 HIGH CAPACITY refill on this cartridge (6,000 page yield). Includes instructions, toner, pouring nozzle. Everything you need to successfully and quickly refill your own toner cartridge! Easy to refill in under 2 minutes!
This item is guaranteed to work with the following printers :