Epson WF-3540 User Manual page 247

3. Press the tabs and remove the duplexer (rear cover).
4. Grasp the maintenance box as shown and pull it out of its holder.
Note: Do not tilt the used maintenance box or take it apart.
Warning: If ink gets on your skin, wash it thoroughly with soap and water. If ink gets into your eyes,
flush them immediately with water. If ink gets into your mouth, spit it out and see a doctor right away.
Keep the maintenance box out of the reach of children and do not drink the ink.
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