340 Technical Notes
❚❚ Manual Cleaning
If foreign matter can not be removed from the image sensor
using the Clean image sensor option in the setup menu
(0 338), the sensor can be cleaned manually as described
below.
Note, however, that the sensor is extremely delicate and
easily damaged.
Nikon recommends that the sensor be cleaned
only by Nikon-authorized service personnel.
1 Charge the battery.
A reliable power source is required when inspecting or
cleaning the image sensor.
Be sure the battery is fully
charged before proceeding.
2 Remove the lens.
Turn the camera off and remove the lens.
3 Select Lock mirror up for cleaning.
Turn the camera on and highlight
Lock mirror up for cleaning in the
setup menu and press 2 (note that
this option is not available at battery
levels of H or below).
4 Press J.
The message shown at right will be
displayed in the monitor.
5 Raise the mirror.
Press the shutter-release button all
the way down.
The mirror will be
raised and the shutter curtain will
open, revealing the image sensor.
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