Epson EcoTank 522 Black Ink Bottle T522120‑S — Ultra‑High Capacity, Keyed Nozzle for ET‑Series

The Epson 522 (T522120‑S) EcoTank black ink bottle is a high‑capacity, keyed refill designed to restore black ink to compatible Epson EcoTank printers quickly and cleanly.

This genuine Epson dye‑based black ink bottle fits EcoTank models including ET‑2720, ET‑2800, ET‑2803, ET‑2840, ET‑4700, ET‑4800 and ET‑4810. It’s engineered to work with the printer’s fill ports and sensing system (Sensormatic) so refills are straightforward, reduce waste compared with cartridges, and maintain sharp text and solid black fills for everyday documents and proofs.

How does this Epson 522 ink bottle make refilling easier?

The bottle is keyed to match Epson EcoTank fill ports, preventing spills and ensuring correct insertion. Its design and Sensormatic compatibility let the printer detect ink levels properly after refilling.

• Keyed nozzle prevents cross‑fitting and reduces accidental spills.
• Precision tip for controlled flow into the black tank.
• Works with the printer’s sensing system for proper level reporting.
• Large capacity reduces refill frequency compared with cartridges.

What print results can I expect from the T522 dye black ink?

This dye‑based black ink produces crisp, high‑contrast text and smooth, even fills on everyday paper. It’s optimized for typical home and small office printing needs where readability and solid blacks matter.

• Razor‑sharp text for documents and reports.
• Even black fills for charts and graphics.
• Consistent performance across print jobs when using genuine Epson ink.

How does this bottle help lower printing costs?

Ultra‑high capacity bottles supply many more pages than individual cartridges, so cost per page is significantly reduced. Buying replacement bottles rather than cartridges lowers ongoing consumable expenses.

• Higher ink volume per bottle than standard cartridges.
• Less frequent purchases and less packaging waste.
• Designed for low‑cost, high‑volume printing routines.

Is this Epson ink compatible with my EcoTank printer models?

The Epson 522 (T522120‑S) black ink is compatible with a range of EcoTank machines and is intended to work with the listed ET‑series models. Verify your printer model against the compatibility list before purchase to ensure a correct fit.

• Compatible with ET‑2720, ET‑2800, ET‑2803, ET‑2840, ET‑4700, ET‑4800, ET‑4810.
• Designed for printers that use EcoTank refill bottles and Sensormatic sensing.
• Not interchangeable with cartridge‑only printers—check model number first.

Who is this for: The Epson 522 T522120‑S black ink bottle is aimed at home users, small offices, and students who print frequently and want lower ongoing costs plus dependable black text quality. It suits anyone who already owns a compatible EcoTank printer and prefers the convenience of large‑volume refills and genuine Epson supplies to maintain consistent print performance.