HP Q5942A | HP 42A | Original HP Toner Cartridge - Black Was: Now: $169.00 MSRP: $289.23 This Original HP 42A Q5942A Black Laserjet Toner Cartridge is designed to work with HP LaserJet 4240, LaserJet 4240n, LaserJet 4250, LaserJet 4250dtn, LaserJet 4250dtnsl, LaserJet 4250n, LaserJet...