Product: Original Epson Black Ink Supply Unit (T01D1).
Color: Black.
Capacity: XXL (Extra High Capacity) with ~50,000 page yield, ideal for large print jobs.
Technology: Uses water-based DURABrite Ultra pigment ink for smudge/fade resistance.
Compatibility: Fits Epson WorkForce Pro WF-C529R, WF-C579R, and related models (e.g., WF-C579RDTWF).
Benefits: Ensures reliable, efficient, and high-quality printing for business documents, reports, and charts.