These printers use the T018201 cartridge:

Epson 1000 ICS

Epson Epson 1000 ICS

Epson Stylus Color 680

Epson Stylus Color 685

Epson Stylus Color 777

Epson Stylus Color 777 FOR WEB TV

Epson Stylus Color 777 I

Epson Stylus Color 777 IPAQ