The BC-21e is the colour cartridge which comes as standard with the S100SP, BJC-2000, BJC-4000 series, and BJC-5000 services printers.
It is a three part unit comprising of a print head incorporating two ink tanks; one black (BCI-21Bk) and one colour (BCI-21C).
The colour ink tank holds the cyan, magenta and yellow inks in one sealed unit.
The black ink tank lasts for approximately 225 pages, and the colour tank lasts for approximately 100 pages.
You will probably need to replace the whole unit (BC-21e) only when you detect a deterioration in print quality.
Components: 1 x BCI-21C per box
BJC-5500, BJC-5100, BJC-5000, BJC-4650, BJC-4550, BJC-4400Photo, BJC-4300, BJC-4200, BJC-4100, BJC-4000, BJC-2000, BJC-2100, S100SP