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104 Technical Notes/Caring for the Camera
Caring for the Camera
Storage
When the camera will not be used for an extended period, turn the camera off, remove the
battery, and store the battery 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 the 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 produces strong electromagnetic fields, such as televisions or
radios
• are exposed to temperatures above 50°C
/122°F (for example, near a space heater or in a
closed vehicle in a hot day) or below –10°C
(14°F)
Cleaning
Camera
body
Use a blower to remove dust and lint, then wipe gently with a soft, dry cloth. After using
the camera at the beach or seaside, wipe off sand or salt with a cloth lightly dampened in
distilled water and dry thoroughly. Important: Dust or other foreign matter inside the camera
may cause damage not covered under warranty.
Lens,
mirror, and
viewfinder
These elements are made of glass and are easily damaged. Remove dust and lint with a
blower. If using an aerosol blower, keep the can vertical to prevent the discharge of liquid.
To remove fingerprints and other stains, apply a small amount of lens cleaner to a soft
cloth and clean with care.
Monitor
Remove dust and lint with a blower. When removing fingerprints and other stains, wipe
the surface lightly with a soft cloth or chamois leather. Do not apply pressure, as this could
result in damage or malfunction.
The Monitor
Should the monitor break, care should be taken to avoid injury caused by broken glass and to prevent
liquid crystal from the monitor from entering your eyes or mouth.
Servicing the Camera and Accessories
The D40 is a precision device and requires regular servicing. Nikon recommends that the camera be
inspected by the original retailer or Nikon service representative once every one to two years, and that
it be serviced once every three to five years (note that fees apply to these services). Frequent inspec-
tion and servicing are particularly recommended if the camera is used professionally. Any accessories
regularly used with the camera, such as lenses or optional Speedlights, should be included when the
camera is inspected or serviced.