HP LaserJet 2100M Toner Cartridges

LaserJet 2100M

HP introduced the LaserJet 2100M at the turn of the millennium as a monochrome, single-function printer for everyday office documents, and a good number of them are still on the job. Its cartridge story is the simplest in the family: the HP 96A (C4096A) and nothing else — one black cartridge, shared across the models in this range, listed below as singles, multipacks, a premium variant and a MICR version.

What keeps the 2100M relevant is not novelty but fit. Everyday document printing is unglamorous, essential work, and a printer that does it quietly for decades becomes part of the furniture in the best sense: nobody plans around it, nobody dreads it. Owners of the M tend to be owners of long standing, and their supply need is correspondingly plain — the right cartridge, in the cupboard, before the old one gives out.

Toner Cartridges for LaserJet 2100M

Option	What it is	Yield
C4096A	standard cartridge, sold singly	See product page
C4096A	2 pack	See product page
C4096A	3 pack	See product page
C4096A	5 pack	See product page
C4096A	premium quality 5 pack	See product page
C4096A	10 pack	See product page
C4096A MICR	magnetic-ink version for check printing	See product page
Model listing	cartridge listed under the printer name	See product page

You will see the same C4096A cartridge stocked here twice more for the 2100M's sibling models — as the 2200DT listing and the 2200DTN listing. Nothing about the cartridge changes between them; the code is exactly the same and only the listing name varies.

Which cartridge should you buy?

Start from the truth that there is nothing to get wrong: every box on this page holds the C4096A. The only question is quantity. A lightly used 2100M is served perfectly well by the single, replaced as needed. A machine in daily service justifies the 2 pack — one cartridge working, one waiting — and offices standardizing on this cartridge family across several printers should look at the 5 and 10 packs, including the premium quality 5 pack for those who prefer that build. The MICR cartridge has exactly one purpose, printing checks whose magnetic toner bank scanners can read; for everything else, the standard listings are the right buy.

Chip, toner and everyday use

Cartridge care on a printer of this vintage is mostly about not overthinking it. Seat the cartridge fully, let the printer recognize it via its chip, and print. If output fades before the cartridge is truly done, take it out and rock it gently from side to side; evening out the toner inside commonly restores dark, even pages for a good while. Yields are rated at 5% coverage, so a cartridge under text-heavy work will finish sooner than the figure on a product page suggests. Keep spares in their sealed bags, stored flat and away from bright light, and use the oldest first so stock never ages out quietly at the back of a cupboard.

Frequently Asked Questions

Does the 2100M use the same toner as the rest of the 2100 family?

Yes — the C4096A serves the whole family on this page, which is why the same listings appear across the 2100 and 2200 models. One cartridge stock can supply every one of them.

Which cartridge should I order for a LaserJet 2100M?

The HP 96A, part number C4096A, in whichever pack size matches your usage. The listings differ in quantity and build — standard, premium 5 pack or MICR — not in fit.

Does this printer take a separate drum?

No. On the 2100M the drum is built into the toner cartridge, so replacing the cartridge is the complete job; there is no drum part to source.

How do I know the cartridge is nearly empty?

Watch the output: fading, especially uneven fading down the page, is the classic sign. The printer's toner reporting helps too. A gentle rock of the cartridge buys extra pages while the replacement is on its way.