Toner Cartridges, Maintenance Kits and Parts

One Item
The KX P4451 uses PAN KX-P450 (PAN KXP450) toner cartridge. PAN KX-P450 yields 5000 pages.
The PAN KX-P450 cartridge has an approximate yield of 5000 pages.
The "Supply Problem" notice on the KX P4451 is typically a recognition fault, not a defective cartridge. Start by turning the printer off for 30 seconds. Reseat the cartridge, clean its chip contacts with a dry cloth, then power back on. If nothing changes, the fix is a fresh PAN KX-P450.