HP LaserJet Pro M404dn Printer, HP LaserJet Pro M404dw Printer, HP LaserJet Pro M404n Printer, HP LaserJet Pro MFP M428dw Printer, HP LaserJet Pro MFP M428fdn Printer, HP LaserJet Pro MFP M428fdw Printer, HP LaserJet Enterprise M406dn Printer, HP LaserJet Enterprise MFP M430f Printer

Twenty thousand rated pages of not thinking about toner. This pack pairs two compatible HP 58X cartridges — each rated by HP at about 10,000 pages under ISO/IEC 19752, roughly 20,000 across the pack — so one cartridge works while a sealed reserve waits behind it. The pair fits the whole 58 generation: LaserJet Pro M404dn, M404dw, M404n, LaserJet Pro MFP M428dw, M428fdn, M428fdw, LaserJet Enterprise M406dn and LaserJet Enterprise MFP M430f. It is the flagship form of the high-yield class, written for departments whose printer cannot be allowed to stop in the middle of a run.

Pack math: $153.61 for the pair — about $76.81 per cartridge against $83.63 for the single, a saving of $13.65 — and a running cost near 0.77¢ per rated page, below even the single X cartridge's figure.

What the reserve actually does: it converts a toner-out event from an emergency purchase into a two-minute swap. The replacement is already in the building; the reorder happens afterward, at leisure, when the reserve goes in. On the fax-carrying machines in this family — the M428fdn, M428fdw and M430f — an empty slot is not merely an inconvenience: while the cartridge is dry, inbound documents have nowhere to land. The reserve is what stands between a busy line and a missed fax.

Chips on both units: each cartridge in the pack carries a new chip, fitted before shipping, so both changes in the pack's life are clean swaps with no chip handling. HP describes this generation as dynamic-security equipped, intended to work only with cartridges that have a new or reused HP chip — the fitted chip is the form supplied here. Future firmware changes remain outside any seller's control; the commitment on this page is the chip form of these two cartridges as they arrive.

Neighbors in the ladder: the 58X single for a lone replacement, the 58X 4-pack when several machines draw on one shelf, and the 58A 2-pack as the standard-yield alternative to this same two-cartridge pattern.

Every cartridge carries a 1-year warranty and 1-year returns; support runs Monday to Friday, 9 AM to 5 PM CST.

Frequently Asked Questions

What does the second cartridge actually buy us?

Continuity, and it can be counted: around 20,000 rated pages across the pack, plus a change that never waits on a delivery van. The second box is the difference between a stopped department and a two-minute interruption.

Is the pack cheaper per page than the single?

Yes, modestly. Put the $153.61 pack price over roughly 20,000 rated pages and the figure is about 0.77¢ a page, against about 0.84¢ for the single cartridge bought alone. The pack's bigger prize is the reserve, but the arithmetic favors it too.

Our printer also receives faxes. Does that change the spare logic?

It sharpens it. An ordinary printer sitting empty delays work; a fax machine sitting empty can lose documents outright while senders get a busy or failed result. For a fax-carrying multifunction, the reserve cartridge is operational insurance rather than shelf clutter.

How should the reserve be stored?

Sealed, flat, in a cool dry cupboard, and fitted in purchase order when its turn comes. Toner is stable in storage — a reserve bought today performs the same when it is installed months from now.

Do both cartridges need the chip step?

Neither does. The chip form is a property of the stocked cartridge, and both units in this pack arrive with a new chip already fitted. Change one and change two follow the identical, tool-free routine.

When is the 4-pack the better call?

When the shelf feeds more than one machine from this family, or when purchasing runs on a quarterly cycle and four cartridges is simply the order quantity that matches it. The 58X 4-pack is this same pattern at twice the depth.