These printers use the ERC18B cartridge:

Epson 2630

Epson 2631

Epson 2632

Epson 2635

Epson 2636

Epson 2637

Epson 2640

Epson 2641

Epson 2642

Epson 2645

Epson 2646

Epson 2647

Epson 2660

Epson 2661

Epson 2662

Epson 2665

Epson 2666

Epson 2667

Epson ERC 18

Epson M 2630

Epson M 2631

Epson M 2632

Epson M 2635

Epson M 2636

Epson M 2637

Epson M 2640

Epson M 2641

Epson M 2642

Epson M 2645

Epson M 2646

Epson M 2647

Epson M 2660

Epson M 2661

Epson M 2662

Epson M 2665

Epson M 2666

Epson M 2667