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Hello Brendargle. The WF-7840 is designed to use T812 Epson ink cartridges. These inks are Aqueous Pigment-Based. Regards, Kevin - The Epson Team.
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Hello Brendargle. The WF-7840 is designed to use T812 Epson ink cartridges. These inks are Aqueous Pigment-Based. Regards, Kevin - The Epson Team.