Lanier LD550C

Sitting a notch above its 540-series sibling, the Lanier LD550C is a departmental A3 color multifunction machine sold under the Lanier name on Ricoh’s proven color engine. Its consumables are the cartridge set this engine family shares: black 841284 at approximately 23,000 pages, and the color trio of 841285 yellow, 841286 magenta and 841287 cyan at approximately 17,000 pages each. The compatible black on this page is the highest-turnover item in the set, and it fits the LD550C exactly.

Think of the LD550C as the heavier-duty answer to the Lanier LD540C: same cartridge family, more demanding workload. Departments that outgrew a workgroup box land here, and the toner economics scale with them — long-yield cartridges mean supply orders stay occasional even as page counts climb.

Toner Cartridges for Lanier LD550C

Cartridge	Color	Page Yield
841284	Black	Approx. 23,000 pages
841284 — 2 Pack	Black	Approx. 23,000 pages per cartridge
841284 — MPC4000 2 Pack listing	Black	Approx. 23,000 pages per cartridge
841287	Cyan	Approx. 17,000 pages
841286	Magenta	Approx. 17,000 pages
841285	Yellow	Approx. 17,000 pages
841287, 841286, 841285 — 3 Color Set	Cyan / Magenta / Yellow	Approx. 17,000 pages per cartridge
841284, 841287, 841286, 841285 — 4 Color Set	All four colors	Black approx. 23,000; colors approx. 17,000 pages
841284, 841287, 841286, 841285 — 5 Color Set	All four colors, extra black	Black approx. 23,000; colors approx. 17,000 pages

This page also stocks cartridges listed for the sibling Aficio MP C4501:

841452 — Black 2 Pack (page yield: see product page)
841452 — Black (page yield: see product page)
841455 — Cyan (page yield: see product page)

Which cartridge should you buy?

Departmental volume tips the maths toward the black 2-pack. The 841284 turns over faster than anything else in this machine, and the paired listing keeps a spare in the building at a better per-cartridge cost than repeat single orders. Colors are worth handling individually: 841285, 841286 and 841287 empty at their own pace, and replacing one at a time means you never bin a cartridge with usable toner left. When the machine reports two or more colors low in the same stretch — common after a big reporting cycle — the 3-color set or the full 4-color set restores everything in one order and one visit to the machine.

Chip, toner and everyday use

Installation is a one-minute job: the LD550C identifies each chipped compatible cartridge on fitting and updates its supply gauges accordingly. Always fit the cartridge that matches the slot the machine is asking for; the four units look similar but are keyed by color. Bear in mind that yields are standardized at 5% coverage, so departments printing dense color documents will reorder sooner than the headline numbers suggest. A cartridge that prints faint before it reports empty usually just needs its toner redistributed — remove it, rock it slowly side to side a few times, and refit. Keep the next black sealed and stored flat nearby; at departmental volumes, the spare gets used sooner than you expect.

Frequently Asked Questions

Which cartridges fit the Lanier LD550C?

The engine family’s shared set: black 841284 (approximately 23,000 pages), yellow 841285, magenta 841286 and cyan 841287 (approximately 17,000 pages each). The same cartridges serve the Ricoh and Savin versions of this engine.

Is the LD550C toner the same as the LD540C toner?

Yes, the two Lanier models share the 841284-series set, so stock bought for one covers the other. The LD550C simply tends to consume it faster in departmental service.

How do I know which color to replace?

The machine names the empty slot on its display. Order that single color — there is no need to touch the other three cartridges, and no benefit in changing them early.

What if print quality drops with a new cartridge fitted?

First reseat the cartridge and run a few test pages; new units settle quickly. If a genuine fault remains, the cartridge is covered by a 1-year warranty and 1-year returns.