Epson RX620 - Manual (Page 57)

Replacing Ink Cartridges 57
7. Close the ink cartridge holder, then close the scanner section.
Caution:
If you find it difficult to close the cover, make sure all the cartridges are firmly
seated. Press down on each newly installed cartridge until you hear it click into
place. Do not attempt to force the cover closed.
The Stylus Photo RX620 begins charging the ink delivery system and the Ink
Charging message appears on the screen. When you see Ink cartridge
replacement is completed , click OK .
Caution:
Never turn off the Stylus Photo RX620 during ink charging. This may cause
incomplete charging of ink.