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Original HP 28 Tri-color Ink Cartridge | Works with HP DeskJet 3320, 3420, 3520, 3550, 3620, 3650, 3740, 3840; OfficeJet 4110, 4215; PSC 1110, 1200, 1310; Fax 1240 Series | C8728AN : Office Products - Amazon.com
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Are Third-Party Ink Cartridges Blocked by HP Printers? - Atlantic Inkjet Blog | Atlantic Inkjet Blog
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