AAZTECH 10-Pack Black Toner Cartridge — Compatible with HP Q5942A (42A) for LaserJet 4200/4300/4240/4250/4350/4345

AAZTECH 10-pack black toner cartridges manufactured as compatible replacements for HP Q5942A (42A). Page Yield (Per Pack): 10,000 Pages. This set is designed to work with the following HP LaserJet printers: 4200, 4200n, 4200tn, 4200dtn, 4200dtns, 4200dtnsl, 4300, 4300n, 4300tn, 4300dtn, 4300dtns, 4300dtnsl, 4240, 4250, 4250n, 4250tn, 4250dtn, 4250dtnsl, 4350, 4350n, 4350tn, 4350dtn, 4350dtnsl, 4345mfp.