Nikon D800 - Manual (Page 421)

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❚❚ Manual Cleaning
If foreign matter can not be removed from the low-pass filter using
the Clean image sensor (
0 394) option in the setup menu, the
filter can be cleaned manually as described below. Note, however,
that the filter is extremely delicate and easily damaged. Nikon
recommends that the filter be cleaned only by Nikon-authorized
service personnel.
1
Charge the battery or connect an AC adapter.
A reliable power source is required when inspecting or
cleaning the low-pass filter. Turn the camera off and insert a
fully-charged EN-EL15 battery or connect an optional EP-5B
power connector and EH-5b AC adapter.
2
Remove the lens.
Turn the camera off and remove the lens.
D
Image Sensor Cleaning
Using camera controls during startup interrupts image sensor cleaning.
Image sensor cleaning may not be performed at startup if the flash is
charging.
Cleaning is performed by vibrating the low-pass filter. If dust can not be
fully removed using the options in the Clean image sensor menu, clean
the image sensor manually (see below) or consult a Nikon-authorized
service representative.
If image sensor cleaning is performed several times in succession, image
sensor cleaning may be temporarily disabled to protect the camera’s
internal circuitry. Cleaning can be performed again after a short wait.