Genuine OEM Oki C5400 Toners

The 42127404 high-yield black cartridge is the larger of the C5400's two black-toner options. Compared with 42804504, it supports more printing between changes, so you can choose based on how quickly you go through black toner.

Toner Buzz carries genuine OKI toner for the C5400, including both black capacities and individual high-yield cyan, magenta and yellow cartridges. The individual cartridges let you restock the colors you need while choosing black capacity separately.