C5510

The OKI C5510 is a color laser printer from the Type C6 family of the C5100 generation, built around the high-capacity 42127400-series toner set. Three of its four cartridges are stocked on this page: 42127401 yellow, 42127402 magenta and 42127403 cyan, each a high-yield cartridge from a set rated at 5,000 pages. The fourth member of the set, black 42127404, completes the row in the machine even though it is not among the listings gathered here. For offices that print in color constantly, staying with these same part numbers in compatible form is how the everyday cost of that color stays manageable.

Machines of this generation earned their keep in offices where color was not a garnish but the product: estate listings, training materials, in-house marketing, charts that had to survive a meeting. Output like that punishes small cartridges, which is why this family was specified as a high-capacity set from the start. The practical consequence for owners today is pleasant — when a color finally empties, it has usually delivered a long run of pages first.

Toner Cartridges for C5510

Which cartridge should you buy?

Only ever the color the printer is asking for. The four cartridges in this family are independent, and a C5510 that reports low magenta has a full working life left in its cyan and yellow; replacing colors one at a time as they empty is the entire economy of the design. Note the honest gap on this page: black is part of the same 42127400-series set and belongs in the machine, but it is not stocked among these listings, so plan that purchase separately rather than assuming a set here covers all four slots. Whichever color you are ordering, check the number against the cartridge you removed — this printer's generation overlaps with other OKI families whose cartridges look similar but are numbered differently.

Chip, toner and everyday use

Cartridges for this family carry the chip the printer uses to follow its supplies, and a replacement registers once it is seated squarely in its color slot — the slots are keyed by color, so a cartridge in the wrong position is a physical impossibility rather than a settings error. The 5,000-page figure rests on the standard five percent coverage measure, and dense color work — full backgrounds, photographs, saturated charts — covers several times that, so real-world life runs shorter in proportion. If a color fades toward the end, rocking its cartridge slowly end to end levels the remaining toner. Store spares sealed and flat, away from sunlight.

Frequently Asked Questions

Which toner does the C5510 use?

The high-capacity Type C6 set numbered 42127401 through 42127404: yellow, magenta, cyan and black, rated at 5,000 pages as a set. Older notes floating around this model sometimes cite a different numbering series, but the cartridges stocked for the C5510 — and the ones its shelf-mates share — are the 42127400 series, so order by those numbers.

Why is there no black cartridge on this page?

Because the black member of the set, 42127404, is not stocked among this page's listings, while the three colors are. The machine still needs all four to print; treat the black as a separate purchase and do not let a color order leave you assuming the whole row has been covered.

What is the most economical way to run a C5510?

Default the driver to black-and-white for everyday work — duplex where the job allows — and reserve color for final copies. Since all four cartridges are replaced individually, every page kept in mono extends the life of the whole color row at once, and the savings compound quickly in an office that prints drafts all day.

More printers that use the same cartridges

The Type C6 shelf is shared across a wide band of OKI color models from this generation. If your office runs any of the machines below, they draw on the same cartridges as the C5510:

ES1624N MFP, C5100, C5100N, C5150, C5150N, C5200, C5200N, C5250, C5250DN, C5250N, C5300, C5300N, C5400, C5400DN, C5400DTN, C5400N, C5400TN, C5450, C5450dn, C5450N, C5510MFP, C5510n MFP, C5510N