Toner Cartridges, Maintenance Kits and Parts

One Item
The 9980 uses KNI 950158 (KNI 950-158) toner cartridge. KNI 950158 yields 5000 pages.
The KNI 950158 cartridge has an approximate yield of 5000 pages.
The "Supply Problem" notice on the 9980 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 KNI 950158.