Toner Cartridges, Maintenance Kits and Parts

13 Items
Black Genuine Toner Cartridge Standard Yield, 6,000 pages
Cyan Genuine Toner Cartridge Standard Yield, 5,000 pages
Magenta Genuine Toner Cartridge Standard Yield, 5,000 pages
Yellow Genuine Toner Cartridge Standard Yield, 5,000 pages
Black Genuine Image Drum Standard Yield, 20,000 pages
Cyan Genuine Image Drum Standard Yield, 20,000 pages
Magenta Genuine Image Drum Standard Yield, 20,000 pages
Yellow Genuine Image Drum Standard Yield, 20,000 pages
The C5550N uses OKI 43324417 (OKI TYPE C8), OKI 43324418 (OKI TYPE C8), OKI 43324419 (OKI TYPE C8), OKI 43324420 (OKI TYPE C8), OKI 4332441 (OKI TYPE C8) toner cartridges. OKI 43324417 yields 5000 pages; OKI 43324418 yields 5000 pages; OKI 43324419 yields 5000 pages; OKI 43324420 yields 6000 pages.
The OKI 43324420 cartridge has an approximate yield of 6000 pages.
Approximate color cartridge yields: OKI 43324417 (OKI TYPE C8, ~5000 pages), OKI 43324418 (OKI TYPE C8, ~5000 pages), OKI 43324419 (OKI TYPE C8, ~5000 pages).
Yes — the C5550N uses a replaceable imaging drum: OKI 43381717 (OKI TYPE C8), OKI 43381718 (OKI TYPE C8), OKI 43381719 (OKI TYPE C8), OKI 43381720 (OKI TYPE C8).
When the C5550N reports "Supply Problem", it usually just can't communicate with one cartridge's chip. Give the printer a full power-cycle, take out and firmly reinsert the flagged cartridge, and lightly buff its metal contacts with a dry, lint-free cloth. If the message stays, install a new cartridge in the reported colour.