Epson T6644 EcoTank Yellow Ink Bottle 70.0 ml

Luminous Color.

The Epson T6644 Yellow EcoTank Ink Bottle (70.0 ml / C13T66444A) is an ultra-high-yield, dye-based color replacement ink designed specifically for Epson L-series and EcoTank desktop systems, including models such as the L110, L210, L300, L355, L382, L486, L550, and L1300. Formulated with ultra-fine, purified yellow dye chemistry, it yields up to 7,500 composite color pages when used alongside the complete T664 CMYK color set, delivering luminous highlights, warm natural tones, and precise color calibration for presentation graphics, marketing materials, and photo prints.

The 70 ml bottle incorporates a precision manual nozzle spout that enables mess-free fluid replenishment into dedicated EcoTank reservoirs without drops, leaks, or air locks. Produced under rigorous cleanroom specifications, this genuine formula shields Micro Piezo printhead nozzles from residue accumulation and drying, providing dependable performance and an exceptionally low cost per page for daily office and home printing operations.

Key Features.

Luminous Yellow Tonal Accuracy

High-purity dye ink chemistry delivers bright yellow highlights, vibrant natural tones, and smooth color blends. Engineered for fast surface drying on plain and photo papers to create clean graphics without color bleeding.

High Volume Color Output

Standard 70ml bottle volume produces up to 7,500 composite color pages when paired with the complete T664 ink series. Extended print capacity reduces refill frequency while keeping running costs exceptionally low.

Micro Piezo Printhead Preservation

Filtered under strict cleanroom conditions to prevent particle sedimentation and micro-nozzle clogs. Precision fluid viscosity shields delicate piezo elements to ensure steady droplet delivery over long print runs.

Clean Spill Free Refill Spout

Targeted bottle spout connects smoothly with EcoTank yellow reservoir fill ports. Controlled fluid transfer eliminates accidental drops, back-pressure bubbling, and ink stains during manual replenishment.

Factory Calibrated Compatibility

Formulated specifically for Epson L-series color desktop and wide-format EcoTank systems. Exact chemical composition ensures proper optical sensor reading and balanced CMYK output across all print jobs.