1. Standard Home & Office Series
Epson 522 (T522): Used in entry-level EcoTank printers (e.g., ET-2720, ET-2800, ET-2803). These are primarily dye-based inks for vibrant daily color.
Epson 502 (T502): Found in mid-range EcoTank models (e.g., ET-2760, ET-3760, ET-4760, ET-4850). Features a pigment black for sharp text and dye colors for photos.
Epson 542 (T542): Designed for EcoTank Pro models (e.g., ET-5800, ET-16600). These are all-pigment (DURABrite ET) inks, offering water-resistant and smudge-proof prints for business.
2. High-Yield & Specialty Series
Epson 512 (T512): Used in Expression Premium models (e.g., ET-7700, ET-7750). Includes a dedicated photo black for deep contrasts.
Epson 552 (T552): Used in the EcoTank Photo ET-8500 and ET-8550. This is a 6-color Claria ET Premium ink set (including Gray and Photo Black) for professional-grade photography.
Epson 532 (T532): Large capacity ink used in specialized monochrome and high-volume printers.
Epson 774 (T774): A high-capacity pigment black bottle used in older WorkForce and monochrome Supertank models.
3. International & Legacy Series
Series 101 / 102 / 103 / 104: Common regional codes in Europe and Asia for L-series and ET-series printers.
Series 001 / 003 / 005 / 008: Common in Southeast Asia (e.g., L3110, L4150 series).
Epson 664 (T664): The legacy refillable bottle for the first generation of EcoTank printers (e.g., ET-2550, L310).