A AZTECH Compatible Toner Cartridge for HP Q5942A 42A Work with HP Laserjet 4200n 4200dtn 4300n 4300tn 4240 4250 4250n 4350n 4350dtn Printer Ink (Black, 1-Pack) - Walmart.com
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Q1338A 38A Black Toner Cartridge Compatible For HP LaserJet 4200 4200n 4200dtn | eBay