Toner Cartridges, Maintenance Kits and Parts

One Item
Black Genuine Toner Cartridge Standard Yield, 92,000 pages
The P7145 uses a single toner cartridge, GST 89856. GST 89856 yields 92000 pages.
The GST 89856 cartridge has an approximate yield of 92000 pages.
The "Supply Problem" notice on the P7145 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 GST 89856.