A new firmware update has rendered some HP LaserJet printers inoperable, even when using HP’s own toner, Ars Technica reports. The update, version 20250209, was released on March 4, 2025 for HP ...

The $500 (as of April 2, 2012) HP LaserJet Pro 400 M451dn https: ... The standard black toner cartridge costs $79 and lasts 2200 pages, or 3.6 cents per page. A high-yield black cartridge, ...

When your HP LaserJet printer cartridges run out of toner, you can return them to HP for the Planet Partners recycling program. This program, started in 1991, recycles toner cartridges by breaking ...

HP also now provides disclaimers on the product pages for most of the printers that it sells, stating that the device “is intended to work only with cartridges that have a new or reused HP chip ...

We investigate why name-brand ink and toner cartridges from brands like HP, Canon, and Epson are so expensive, and uncover some options from third-party retailers like LD Products, Valuetoner, and ...

HP is blocking more users from using third-party ink with their printers. Several users report that they’re no longer able to use non-HP ink with their printers after installing a recent ...

HP printers are compatible with Windows, Mac, Linux, ChromeOS, iOS, and Android. The 4200 series is a compact 16.6 x 6.8 x 11.3 inches, and the 4300 is slightly larger at 16.6 x 17.1 x 15.1 inches.