Dell 1600n Multifunction Mono Laser Printer - Manual (Page 26)

The scan lamp under the scanner glass automatically turns off when it is not in actual use during a preset
period to reduce power consumption and extend the lamp life. The lamp automatically turns on and the
warm-up cycle begins whenever any key is pressed or the document cover is opened or a document is
detected in the ADF.
You can set the length of time for which the scan lamp waits after a scan job is completed before it switches
to the Power Save mode.
Press 1.
Press the scroll button ( or ) until "CCD Power Save" appears on the bottom line. Press .2.Press the scroll button ( or ) until the time setting you want appears on the bottom line.3.The available time options are 0.5, 1, 4, 8, and 12 (hours).Press to save the selection. 2.
Press the scroll button ( or ) until the time setting you want appears on the bottom line. 3.
The available time options are 0.5, 1, 4, 8, and 12 (hours).
Press 4.
To return to Standby mode, press . 5.