The Epson UltraChrome XD2 T41 is a black pigment-based ink cartridge designed for professional technical printing. With a 110ml cartridge capacity, this archival ink ensures that your documents remain crisp and resistant to fading over time, which is particularly useful for blueprints and detailed architectural plans. This specific model is compatible with the SureColor SC-T3400, SC-T3400N, and SC-T5400 series printers. Its pigment composition provides a smudge-resistant finish, allowing you to handle your prints immediately without worrying about blurring, making it a reliable choice for engineers and designers who need durable, high-contrast output for their daily projects.