Amazon.com: Aztech Compatible Q5942A Toner Cartridge Replacement for HP 42A Q5942A 42X Q5942X Q1338A for HP 4250 4200 4350 4300 4250N 4240 4350N 4250TN 4250DTN 4350DTN 4350TN Printer (Black, 1-Pack) : Office Products
High Yield Black Toner cartridge for HP Laserjet 4250 & 4350 Printers HP 42X (Not HP 4240)
Amazon.com: LD Products Compatible Toner Cartridge Replacement for HP 42X Q5942X High Yield (Black) for use in HP Laserjet / Multifunction Printers 4250, 4250tn, 4350n, 4250dtn, 4350, 4350tn, 4250dtnsl, 4350dtn : Office Products
Remanufactured Toner Cartridge - Alternative for HP 42X (Q5942X) by Elite Image ELI75116 | OnTimeSupplies.com
HP LaserJet 4250N MICR Bundle, Q5401A – The Printer Depot