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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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Amazon.com: HP 42A Black Toner Cartridge | Works with HP LaserJet 4240, 4250, 4350 Series | Q5942A : Office Products
![Amazon.com: HP 42A Black Toner Cartridge | Works with HP LaserJet 4240, 4250, 4350 Series | Q5942A : Office Products Amazon.com: HP 42A Black Toner Cartridge | Works with HP LaserJet 4240, 4250, 4350 Series | Q5942A : Office Products](https://m.media-amazon.com/images/I/81b9XgTrDLL.jpg)