Epson XP-440

22
You see this screen:
5. Press the up or down arrow button to select the time period you want, then press the OK button.
6. To change the Sleep Timer setting, press the up or down arrow button to select Sleep Timer and
press the OK button.
You see this screen:
7. Press the up or down arrow button to select the time period you want, then press the OK button.
8. Press the home to exit.