Epson Stylus C86 - Manual (Page 26)

26 Replacing Ink Cartridges
9. Close the cartridge cover.
10. Close the printer cover and press the ink button. The printer begins
charging the ink delivery system.
The green power light flashes and the printer makes noise. Charging takes
about half a minute. When it’s finished, the green power light stops
flashing and stays on, and the red light goes out.
Caution:
Never turn off the printer while the green
power light is flashing, unless the
printer hasn’t moved or made noise for more than 5 minutes.