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Amazon.com: HP 21 Black Ink Cartridge | Works with HP DeskJet D1300, D1400, D1500, D2300, D2400, F300, F2100, F2200, F4100, 3900; OfficeJet J3600, 4300; PSC 1410; Fax 1250, 3180 Series | C9351AN : Office Products
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How to Replace an Empty Ink Cartridge in the HP Deskjet 3940 series Printer – an Illustrated Tutorial in 10 Steps – Replacethatpart.com
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Amazon.com: ColoWorld Remanufactured Ink Cartridge Replacement for HP 21 22 21XL 22XL Used with HP OfficeJet 4315 J3680 DeskJet F2210 F4180 F380 F300 F4140 D1455 3940 F335 PSC 1410 Printer (1 Black, 1 Color) : Office Products
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