These printers use the T063350 cartridge:

Epson Stylus C-67

Epson Stylus C-87

Epson Stylus C-87 PE

Epson Stylus C-3900

Epson Stylus C-4900

Epson Stylus C-5900

Epson Stylus C-6900 F

Epson Stylus CX-3700

Epson Stylus CX-4100

Epson Stylus CX-4700