SKU:

CS-HP-X-4201dn-2BK

Printer Brand:

Hewlett Packard

OEM Number:

W2100X

Ink Color:

Black

Page Yield:

Black: 7500

Printer Type:

Laser Cartridge

Condition:

New Compatible

Frequently Asked Questions

What does the code W2100X identify on this box?

W2100X is the part number for the black cartridge in the HP 210X family, and it appears twice over in this listing: the box holds two separate black cartridges, each carrying that same code and each rated at up to 7,500 pages. If the cartridge you removed from your printer is stamped W2100X, either unit in this pack is its direct like-for-like replacement.

Are the two cartridges in the pack identical, or is one different?

They are identical in every respect — same W2100X code, same black toner, same 7,500-page rating. There is no starter or short-life unit hidden in the pair. You install the first, keep the second sealed on the shelf, and swap it in when the first one runs dry.

How should we rotate the pair so the spare stays fresh?

Use them in the order you received them and leave the spare in its sealed packaging, stored flat in a cool, dry cupboard away from direct sunlight. Toner does not spoil quickly, but the sealed bag protects it from humidity and dust, which matters more than age for a cartridge waiting its turn.

What are the early signs that the installed cartridge is nearly finished?

Watch for text that turns grey in patches, a pale band running down one side of the page, and the printer's low-toner message appearing on the display. A gentle rock of the cartridge from side to side can redistribute the remaining toner for a short run of extra pages while you fetch the spare from the shelf.

How long does the physical swap take at the printer?

Only a few minutes. Open the front door of the printer, slide the old cartridge out by its handle, remove the new one from its bag, pull the sealing strip, and push it firmly into the black slot until it seats. The printer registers the full cartridge and clears its low-toner warning on its own.

What protection covers this two-pack after purchase?

Both cartridges carry a 1-year warranty with 1-year free returns, and the practical details of delivery timing and how a return works are set out on our shipping & returns page. If a cartridge prints poorly from its very first pages, contact us rather than persevering with it.

About This 210X Two-Pack for the 4201dn

This two-pack exists for offices whose Color LaserJet Pro 4201dn prints steadily all week and cannot wait on a delivery when black runs out. At $185.08 for two W2100X cartridges, it turns a panic reorder into a simple shelf swap: one cartridge working, one waiting. The 4201dn is a print-only machine, and in most offices black does the heavy lifting — correspondence, invoices, statements — so it is the colour that empties first and the one worth doubling up on. Alongside the Color Pro 4201dn, owners of Color Pro 4201dne, Color Pro 4201dw and Color Pro 4201dwe MFP and Color Pro 4301dw MFP, Color Pro 4301dwe MFP, Color Pro 4301fdn MFP, Color Pro 4301fdne MFP, Color Pro 4301fdw MFP and Color Pro 4301fdwe are buying the identical part.

Orders are dispatched from whichever of our warehouses in IL, PA, GA and CA is closest to you, and the wider range for this printer family sits under HP in our catalogue. Questions before or after ordering? Our support team answers Monday–Friday, 9 AM–5 PM CST. For a lone replacement there is W2100X; the standard-yield W2100A twin pack carries the two-pack idea further, and the 210X four-colour set covers every slot in a single order.