Epson STYLUS SCAN 2500 Manual page 122

5. Lift up the clamp that holds the cartridge as far as it will go.
The cartridge rises partly out of the cartridge holder.
c
6. Lift the cartridge out of the Stylus Scan and dispose of it
properly. Do not take the used cartridge apart or try to refill it.
118
Caution:
Once you open the ink cartridge clamp, the ink cartridge
becomes unusable and cannot be reinstalled, even if ink
remains.