To epson printer change ink, turn on your Epson printer and open the ink cartridge cover. Wait for the printhead to move to the replacement position. Gently press the tab to remove the empty cartridge. Shake the new ink cartridge gently, remove its protective tape, and insert it into the correct slot until it clicks. Close the cover and let the printer charge the ink. Finally, run a nozzle check or head cleaning for optimal print quality.