Epson RX600 - Manual (Page 64)

64 Replacing Ink Cartridges
7. Close the cartridge cover.
Note:
If you find it difficult to close the cartridge cover, see step 6 to make sure
the ink cartridge has been installed correctly.
8. Close the scanner unit.
The print head moves to its home position, and ink charging begins.
9. When Ink cartridge replacement completed appears on the LCD
panel, press the OK button.
c Caution:
Never turn off this product while ink charging in progress;
Otherwise, this will cause incomplete charging of the ink.
Note:
If you install a used ink cartridge with ink level already low, it may become
empty right after the replacement. In this case, replace the ink cartridge
with a new one.