Xerox DOCUMATE 252 - Manual (Page 89)

Scanning
84 DocuMate 252 Scanner User’s Guide
2. Click the Properties button.
Your scanner has a built-in power saving feature that is set to
power down after 15 minutes of idle time. You can change the
time before the scanner powers down, from 1 minute to a
maximum of 10 hours.
3. Click the arrows for the Lamp timeout setting and choose a
time setting.
To turn the lamp on and off manually without turning off power
to the scanner, click the Lamp On or Lamp Off buttons.
To return the scanner to its factory settings, click Reset Device.
4. Click OK to save the changes and close the dialog box.