C3430N

The OKI C3430N is a networked color laser printer in OKI's C3400 family, built for small offices that share color output. Its standard cartridge set runs under the 43459401 to 43459404 part numbers — one number for each color position — and this page stocks the family's high-yield yellow cartridge, 43459301, the listing below. Compatible replacements in these exact part numbers are the budget-friendly way to feed a shared C3430N, provided the number on the cartridge you order matches the number on the one you take out.

A shared printer in a small office lives an uneven life: invoices and letters most days, then a run of color documents that leans hard on one or two colors. That is the situation the high-yield yellow exists for — offices that burn through color faster than the standard cycle expects. The C3430N also belongs to a broad family of OKI models built on the same toner platform, and the full list at the bottom of this page is genuinely useful here: if your office runs any of those models next to this one, they draw on the same cartridge numbers, and one shelf can serve the whole group.

Toner Cartridges for C3430N

That single listing is this page's whole shelf, and it is worth being plain about what it means: the standard-capacity set for this printer — the 43459401 to 43459404 series, one cartridge per color position — is not stocked on this page. What is stocked is the high-yield yellow that fits the same machine, under its own number, 43459301.

Which cartridge should you buy?

If the position you are replacing is yellow and your office goes through it quickly, the 43459301 high-yield cartridge is the buy — it is the cartridge this page exists for, made for shared machines that burn through color faster than a standard cartridge cycle assumes. For the other three positions, and for standard yellow, you need the cartridge whose number matches the one you removed from that slot: this printer's standard set is the 43459401 to 43459404 series, and the number printed on the old cartridge is the authority, not a listing title. Never order a neighboring model's number on the assumption that close is close enough — with this family, the exact eight digits are what the machine expects. The compatible cartridge stocked here is covered by a 1-year warranty and 1-year returns.

Chip, toner and everyday use

One maintenance habit pays off on the C3430N before any cartridge is blamed: cleaning the LED printheads. Power the printer off, open the top cover and gently wipe each LED array lens with a soft, dry, lint-free cloth — no liquids or solvents. Clean LED heads restore sharpness when output looks faded or streaky, and it is worth doing before replacing a cartridge that still has toner in it. Beyond that, the shared-printer basics apply: keep the spare sealed until it is needed, store it flat away from heat and sunlight, and seat a new cartridge firmly so the printer reads its chip and level from the first page.

Frequently Asked Questions

Which toner does the Oki C3430N use?

Its standard set is the 43459401 to 43459404 series, one cartridge per color position, and a high-yield yellow, 43459301, also fits the machine. The number on the cartridge you remove is the one to match — the listings for this family are number-specific.

Is the C3430N compatible with the C3400's toner?

Yes — the C3430N and the C3400 series use the identical cartridge set, so toner is fully interchangeable between them. Offices running both printers need only one set of part numbers on the shelf.

How do I clean the LED printheads on the C3430N?

Power off the printer, open the top cover, and gently wipe each LED array lens with a soft, dry, lint-free cloth — no liquids or solvents. Clean LED heads restore sharpness when output looks faded or streaky, so try it before replacing a cartridge that still has toner.

Why is only one cartridge listed on this page?

Because this page stocks the high-yield yellow, 43459301 — the cartridge shared offices with heavy color use ask for most. The printer's standard four-cartridge set runs under the 43459401 to 43459404 numbers and is not part of this page's listings.

More printers that use the same cartridges

The C3430N's toner family is shared across this wide group of OKI models, including the MC360 MFP and MC630MFP: MC360 MFP, MC630MFP, C3300, C3300N, C3400, C3400N, C3520, C3530 MFP, C3530, C3530MFP, C3530N MFP, C3530N, C3600, C3600N.