inktonerplus Compatible Toner Cartridge Replacement for HP Q5942A ( Black , 1-Pack ) THIS CTQ5942X IS A PROFESSIONALLY MANUFACTURED COMPATIBLE TONER THAT REPLACES THE ORIGINAL HP 42X (Q5942X) BLACK TONER CARTRIDGE. THIS CARTRIDGE WAS ENGINEERED IN A MANUFACTURING FACILITY THAT USES STATE OF THE ART PROCESSES TO INSURE THAT THIS CARTRIDGE WILL PRINT AS WELL AS THE Works with the following models: Hewlett Packard Laserjet 4250, Hewlett Packard Laserjet 4250dtn Hewlett Packard Laserjet 4250dtnsl, Hewlett Packard LaserJet 4250n