Epson XP-830 User Manual page 300

9. Insert the ink cartridge head first into the ink cartridge holder. Then press the bottom of the ink
cartridge down until it clicks into place.
10. Once you replace all the cartridges that need replacing, close the scanner unit.
The product starts charging the ink. This takes a few minutes. When you see a completion message
on the LCD screen, ink replacement is complete.
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