Epson Stylus C86 - Manual (Page 24)

24 Replacing Ink Cartridges
4. Open the cartridge cover.
5. Squeeze the back tab of the empty cartridge as you lift it out of the printer.
Don’t take the used cartridge apart or try to refill 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.