The Epson T0423, T0422, T0321, and T0424 ink cartridges are compatible with various Epson printer models such as the C82, CH2N, C82WN, CX5200, and CX 5400. These cartridges are designed for inkjet printing and come in cyan, yellow, magenta, and black colors. With a print technology of inkjet, these units are ideal for producing high-quality prints with vivid colors. The cartridges have a used by date of April 2007, making them suitable for printers that support these specific ink types and models.