IN "Manual Cleaning"

If foreign matter can not be removed from the low-pass filter using the Clean image
sensor option in the setup menu (_ 284), 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.
2
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-SBpower connector and EH-Sa AC adapter.

Remove the lens.

Turnthe camera off and remove the lens.

3Select Lock mirror up for cleaning.
Turn the camera on and press the MENU
button to display the menus. Highlight Lock
mirror up for cleaning in the setup menu
and press I_ (note that this option is not
available at battery levels of c_] or below).
MENUbutton
4Press _).
The message shown at rightwillbe
displayed in the monitor and a row of dashes
will appear in the control panel and
viewfinder. To restore normal operation
without inspecting the low-pass filter, turn
the camera off.
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