Nikon Camera D3300 Reference Manual

311
Technical Notes
Attaching a Power Connector and AC AdapterTurn the camera off before attaching an optional power 
connector and AC adapter.1
Ready the camera.
Open the battery-chamber ( q) and 
power connector ( w) covers.
2
Insert the EP-5A power connector.
Be sure to insert the connector in the 
orientation shown, using the 
connector to keep the orange battery 
latch pressed to one side.
 Be sure the 
connector is fully inserted.
3
Close the battery-chamber cover.
Position the power connector...

312Technical Notes
4
Connect the AC adapter.
Connect the AC adapter power cable to the AC socket on AC 
adapter ( e) and the EP-5A power cable to the DC socket ( r).
 
A P  icon is displayed in the monitor when the camera is 
powered by the AC adapter and power connector. 

313
Technical Notes
StorageWhen the camera will not be used for an extended period, 
remove the battery and store it in a cool, dry area with the 
terminal cover in place.
 To prevent mold or mildew, store the 
camera in a dry, well-ventilated area.
 Do not store your camera 
with naphtha or camphor moth balls or in locations that:
• are poorly ventilated or subject to humidities of over 60%
• are next to equipment that pr oduces strong electromagnetic 
fields, such as televisions or radios
• are...

314Technical Notes
Image Sensor CleaningIf 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...

315
Technical Notes
3
Select  Clean now .
Highlight  Clean now  and 
press  J.
The camera will check the image 
sensor and then begin cleaning.
 1  
flashes in the viewfinder and other 
operations can not be performed. Do 
not remove or disconnect the power 
source until cleaning is complete and 
the message shown at right is no 
longer displayed. 

316Technical Notes
❚❚“Clean at Startup/Shutdown”1
Select  Clean at startup/
shutdown .
Select  Clean image sensor , 
then highlight  Clean at 
startup/shutdown  and 
press 2.
2
Select an option.
Highlight an option and 
press  J.
 Choose from 
Clean at startup , Clean at 
shutdown , Clean at 
startup & shutdown , and 
Cleaning off .
D
Image Sensor Cleaning
Using camera controls during startup interrupts image sensor 
cleaning.
Cleaning is performed by vibrating the image sensor.
 If dust can not 
be...

317
Technical Notes
❚❚ Manual CleaningIf foreign matter can not be removed from the image sensor 
using the  Clean image sensor  option in the setup menu 
( 0 314), the sensor can be clea ned 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...

318Technical Notes
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.
6
Examine the image sensor.
Holding the camera so that light falls 
on the image sensor, examine the 
interior of the camera for dust or lint.
 
If no foreign objects are present, 
proceed to Step 8.
7
Clean the sensor.
Remove any dust and lint from...

319
Technical Notes
8
Turn the camera off.
The mirror will return to the down position and the shutter 
curtain will close.
 Replace the lens or body cap.
A
Use a Reliable Power Source
The shutter curtain is delicate and easily damaged.
 If the camera 
powers off while the mirror is raised, the curtain will close 
automatically.
 To prevent damage to the curtain, observe the 
following precautions:
• Do not turn the camera off or remove or disconnect the power source 
while the mirror is raised.
• If...

320Technical NotesD
Foreign Matter on the Image Sensor
Nikon takes every possible precaution to prevent foreign matter from 
coming into contact with the image sensor during production and 
shipping.
 The D3300, however, is designed to be used with 
interchangeable lenses, and foreign matter may enter the camera 
when lenses are removed or exchanged.
 Once inside the camera, this 
foreign matter may adhere to the image sensor, where it may appear in 
photographs taken under certain conditions.
 To...