Konica Minolta Bizhub 421 Supplies
Toner Cartridges, Maintenance Kits and Parts
5 Items
Konica Minolta 50GAR70400
Genuine Developer Assembly
Konica Minolta 024G (DV511)
Black Genuine Developer Standard Yield, 8,000 pages
Konica Minolta 50GAR70200
Black Genuine Drum Unit Standard Yield, 225000 pages
Frequently Asked Questions
The Bizhub 421 uses a single toner cartridge, KNI 024E (KNI TN511). KNI 024E yields 32200 pages.
The KNI 024E cartridge has an approximate yield of 32200 pages.
For KNI 024E you can choose Genuine Konica Minolta (KNI 024E (KNI TN511)) or a Remanufactured option (CTC 024E) at a lower price per page, same 32200 page yield.
Yes — the Bizhub 421 uses a replaceable imaging drum: KNI 50GAR70200.
When the Bizhub 421 throws a "Supply Problem" error, the printer often simply can't read the cartridge chip. Give it a full power-cycle, take the cartridge out and put it back securely, and lightly buff the metal contacts with a dry, lint-free cloth. If it persists after all that, the cartridge is likely worn — install KNI 024E.