Epson WorkForce 40 Series - Manual (Page 22)

22 Maintaining Your Printer
6. Before opening the new cartridge package, shake it four or five times. (Do not
shake a cartridge after opening the package; ink may leak.)
7. Remove the cartridge from the package.
Caution:
Do not touch the green chip on the front of the cartridge. This
can damage the ink cartridge.
8. Remove the yellow tape from the bottom.
Caution:
Do not remove any other labels or seals, or ink may leak.
9. Insert the new ink cartridge into the holder and push it down until it clicks
into place.