Epson NX100 - Manual (Page 25)

Replacing Ink Cartridges 25
5. Squeeze the tab on the cartridge and lift it up. Dispose of it carefully. Do not
take the used cartridge apart or try to refill it.
Caution:
Do not touch the white cable inside the printer or you may damage it.
Warning:
If ink gets on your hands, wash them thoroughly with soap and water. If ink gets
into your eyes, flush them immediately with water. Keep ink cartridges out of the
reach of children.
6. Before you open the new cartridge package, shake it four or five times. Then
remove it from the package.
Caution:
Do not touch the green chip on the front of the cartridge. This
can damage the ink cartridge.