Is this ink different from the T664 or it is just the size that changes ?

Incorrect Nate from Florida. I received the chart from Epson for EcoTank Printers, listing color ink type and black ink type for several printer models. 664 in is ALL DYE ink to include black. From the chart of EcoTank printers (printer models) that have PIGMENT inks are: R4640 (both color and black R12); 3600/4550/16500 (back only 774); 2700/2750/3700/3750/4750 (black only 502); 7700/7750 (black in 512 PIGMENT & PBK 512 (DYE). Additionally, ALL EcoTank printers for color ink are DYE with the exception of printer model R4640 which is PIGMENT that I previously listed. I'll attempt to load the chart to the main comments on this product site.

Is 774 black ink compatible with the ET-2550 series?

I have been using the 774 ink with the ET-2550 printer, with no problems, for two years.

Can this ink refill be used in the Epson ET-3760?

Check with Epson..I use 774. ed

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🖤 Ink smarter, print bolder — join the EcoTank revolution!

COMPACT CONVENIENT - Slim bottle design fits neatly in your workspace, making refills quick and hassle-free.
ECO CONSCIOUS CHOICE - Designed to encourage recycling and reduce landfill waste—print responsibly.
SAVE BIG ON INK COSTS - Slash your printing expenses by up to 80% compared to traditional cartridges.
PRINT MORE REFILL LESS - Thousands of vivid pages per bottle means fewer interruptions and more productivity.
CONSISTENT EPSON QUALITY - Experience sharp, professional-grade pigment black prints every time.

The Epson T774120 EcoTank Pigment Black Ink Bottle delivers ultra high-capacity, cost-effective printing with genuine Epson quality. Designed for everyday use, it yields thousands of vivid pages while reducing refill frequency and environmental impact through a recycling-friendly design.

₨381

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Brand	Epson
Manufacturer	Epson Consumables
Series	T774120-S
Colour	pigment black
Item Height	6.5 Inches
Item Width	2.4 Inches
Product Dimensions	6.1 x 6.1 x 16.51 cm; 192.78 g
Item model number	T774120-S
Are Batteries Included	No
Manufacturer	Epson Consumables
Country of Origin	Philippines
Item Weight	193 g

Epson T774120 EcoTank Pigment Black Ink Bottle

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