Epson XP-300 User Manual page 135

4. Before opening the new cartridge package, shake it gently four or five times.
Caution: Do not shake the cartridges after opening the packages, or ink may leak.
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 bottom of the cartridge.
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