Epson XP-310 Manual page 154

5. Remove the cartridge from the package.
Caution: Do not touch the green chip on the cartridge. Install the new cartridge immediately after
removing the old one; if you do not, the print head may dry out and be unable to print.
6. Remove the yellow tape from the side of the cartridge.
Caution: Do not remove any other labels or seals, or ink will leak.
7. Insert the new cartridge into the holder and push it down until it clicks into place.
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