Image Sensor Cleaning - Nikon D3300 Reference Manual

Image Sensor Cleaning

If you suspect that dirt or dust on the image sensor is appearing
in photographs, you can clean the sensor using the Clean image
sensor option in the setup menu. The sensor can be cleaned at
any time using the Clean now option, or cleaning can be
performed automatically when the camera is turned on or off.
❚❚ "Clean Now"
1
Place the camera base down.
Image sensor cleaning is most
effective when the camera is placed
base down as shown at right.
2
Select Clean image sensor in the
setup menu.
Press the G button to display the
menus. Highlight Clean image
sensor in the setup menu (0 231)
and press 2.
314 Technical Notes
G button