Fujitsu fi-7300NX Operator's Manual page 61

Basic Operations
Select [Disabled] for [Auto Shutdown hours] in the [Power Save Mode] screen on the touch screen.
The [Power Save Mode] screen can be displayed in the following procedure:
→ [Scanner Settings] → [Power Management] → [Power Save Mode]
When using the Software Operation Panel, refer to Waiting Time for the Scanner to Enter Power Saving
Mode [Power saving] (page 296).
61