The Epson T6642 ink cartridge is a cyan color ink cartridge designed for specific Epson EcoTank printer models. The “T6642” is the cartridge code that identifies the Cyan color.

The Epson T6642 Cyan ink cartridge is part of the EcoTank series, which features printers with large ink tanks that can be refilled using Epson ink bottles. This design allows for cost-effective and efficient printing, as it reduces the need for frequent ink cartridge replacements.