The Epson Replacement Ink Maintenance Tank is compatible with the Epson SureColor T2170, T3170, T3170M, T3170x, T5170, T5170M, and F570 printers. This user-replaceable tank will keep your printer parts clean while maintaining optimal performance. It is responsible for storing the ink that gets flushed from the system during printhead cleaning. When capacity is getting low or the tank needs to be changed, your printer and software will alert you that maintenance tank needs to be replaced. This tank is easy to install.