Spill-Free Reservoir Refills.
The Epson T7741 EcoTank Pigment Black Ink Bottle (140.0 ml / C13T77414A) is a high-capacity, business-grade black replacement ink formulated specifically for Epson WorkForce and monochrome/color EcoTank systems, including models such as the M100, M105, M200, M205, L605, L655, and L1455. Engineered with specialized pigment-based chemistry, this ultra-high-yield 140 ml bottle produces up to 6,000 crisp, laser-quality text pages with rapid drying characteristics that resist water, smudging, and highlighter bleed.
The large-volume container features a targeted spill-proof nozzle spout designed for clean, direct reservoir topping without fluid drips, air pockets, or manual mess. Manufactured to strict cleanroom standards, genuine T7741 ink ensures uniform fluid density to protect Micro Piezo printheads from sediment buildup and nozzle clogging, delivering long-term reliability and an exceptionally low operational cost per page for high-duty office printing environments.
Key Features
Laser Crisp Pigment Text
High-density black pigment particles bond instantly with paper fibers to produce sharp typography and fine line details. Quick-drying chemistry delivers water, smudge, and highlighter resistance for archival-grade business documents.
High Yield Office Capacity
Generous 140ml bottle capacity produces up to 6,000 black pages to support demanding business printing tasks. Large fluid volume dramatically cuts downtime and keeps cost per page exceptionally low for high-duty workflows.
Micro Piezo Printhead Protection
Filtered under strict ISO cleanroom parameters to eliminate microscopic impurities and prevent clogging. Balanced fluid viscosity ensures smooth flow across piezoresistive nozzle channels to extend printer hardware lifespan.
Direct Spill Free Refill System
Targeted bottle spout locks securely into EcoTank black reservoir fill necks for direct, mess-free topping. Controlled pressure flow prevents air pockets, back-bubbling, and accidental surface drips during manual refills.
WorkForce System Compatibility
Engineered precisely for Epson WorkForce and monochrome EcoTank printer series. Factory-calibrated fluid parameters maintain consistent optical density, crisp character edges, and accurate ink tracking sensors.
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