These printers use the ERC-27BK cartridge:

Epson 5100 SP50

Epson ADS 14

Epson ADS 44

Epson CTM 290

Epson DPN 2910

Epson Esper 875

Epson G 5800

Epson G 5840

Epson M 12 PA

Epson PRT 290 II

Epson PRT 1700

Epson PRT 2700

Epson TM 290

Epson TM 290 II

Epson TM U-295