Casio XJ-450 - Manual (Page 111)

User Maintenance
111
User Maintenance This section explains user maintenance procedures, including lamp replacement and projector
cleaning.
Always turn off the projector before cleaning it.
Cleaning the Projector Exterior
Wipe the exterior of the projector with a soft cloth that has been moistened in a weak
solution of water and a mild neutral detergent. Be sure to wring all excess moisture from the
cloth before wiping.
Never use benzene, alcohol, thinner, or any other volatile agent for cleaning.
Cleaning the Lens
Carefully wipe the lens with a commercially available lens cloth or optical lens paper, like
those for eyeglasses or camera lenses. When cleaning the lens, be very careful to avoid
scratching it.
Cleaning the Sensors
Carefully wipe the sensors with a commercially available lens cloth or optical lens paper, like
those for eyeglasses or camera lenses.
z The light source lamp is a consumable item. The average life of a lamp is approximately
2000 hours. After 2000 hours, a message appears to alert you to the need of lamp
replacement. However, note that the characteristics of a particular lamp or lamp operating
conditions can cause the lamp to start to go dim or even fail before the message
appears.
To check the current lamp use time
1.
Press the [MENU] key to display the setup menu.
Cleaning the Projector
Replacing the Lamp
Caution
z Continued use of a lamp that has passed its lamp life increases
the risk of the lamp rupturing. Replace the lamp with a new one
as soon as possible after the replacement message appears.