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
Amazon.com: LD Products Compatible Toner Cartridge Replacement for HP 38A Q1338A (Black, 2-Pack) Compatible with Laserjet: 4200, 4200dtn, 4200dtns, 4200dtnsl, 4200n & 4200tn : Office Products