This compatible ink cartridge replaces the HP Office C4840 inkjet cartridge. Every ink cartridge is fully guaranteed and designed to offer outstanding print quality. These compatible ink cartridges are the perfect option for brand users who wish to cut their cartridge costs without compromising quality.
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Castle Ink offers the largest selection of high quality ink cartridges and laser toner. Our remanufactured ink cartridges are a sensible alternative to the over-priced OEMs that most consumers and businesses purchase. Our 100% satisfaction guarantee gives you a chance to test our product first hand to determine whether or not it's as good as OEMs. Our super responsive customer service staff is always available and willing to discuss our products and services. Contact us with any questions about our ink cartridges, laser toner, and refill kits. We're here to help!
Printer Ink Brands
Please Note: Xerox®, Lexmark®, IBM®, HP®, Epson®, Canon®, Apple® and other logos and brand names are the registered trademarks of their respective owners. They have no affiliation with nor offer any endorsement of the services and products provided by CastleInk.com. We use brand names and model distinctions for non-OEM cartridges for the sole purpose of attesting printer compatibility. Brand names for printer ink are just reference. We sell only remanufactured ink and compatible cartridges for Dell, HP, Canon, Epson and Lexmark printers. Google *We sell remanufactured and compatible ink cartridges for Epson printers - no OEM Epson inkjet cartridges are sold.