Epson WF-R8590 User Manual page 348

6. Open the ink case.
7. Press the handle on the ink pack.
The ink pack pops out.
8. Lift up the ink pack and remove it from the ink case.
9. Push in the pop-out section and close the ink case.
10. Follow the previous steps to remove the color ink packs on the other side of the product.
11. Carefully transport the ink packs lying flat, with the ink supply port facing up.
Caution: Do not drop or strike the ink packs; otherwise, ink may leak.
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