These printers use the 52114501 cartridge:
Click On a Printer to View it's Cartridges
Okidata B 6200
Okidata B 6200 DN
Okidata B 6200 N
Okidata B 6250 DN
Okidata B 6250 N
Okidata B 6300
Okidata B 6300 NMX
Okidata B 6300 DN
Okidata B 6300 N