These printers use the C4842A cartridge:
Click On a Printer to View it's Cartridges
HP 2000 C Professional Series
HP 2000 Printer
HP 2500 CSE Professional Series
HP 2500 CXI Professional Series
HP 2500 C Professional Series
HP 2500 Professional Printer
HP Business InkJet 2000
HP Business InkJet 2000 CN
HP Business InkJet 2000 CSE
HP Business InkJet 2000 CXI
HP Business InkJet 2500 C
HP Business InkJet 2500 C Plus
HP Business InkJet 2500 CM
HP Business InkJet 2500 CSE
HP DesignJet 100
HP DesignJet Colorpro cad
HP DesignJet Colorpro ga
HP DeskJet 2000 CN
HP DeskJet 2000 CSE
HP DeskJet 2000 CXI
HP DeskJet 2500 CXI
HP HP 2000
HP HP 2000 C
HP HP 2000 CN
HP HP 2000 CSE
HP HP 2000 CXI
HP HP 2500 C
HP HP 2500 C Plus
HP HP 2500 CM
HP HP 2500 CSE
HP HP 2500 CXI
HP HP 2500 SCE
HP HP 2500 SXI