Maintenance, Appendix – Sharp Notevision XR-50S User Manual
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Appendix
Maintenance
Cleaning the projector
Ensure that you have unplugged the power 
cord before cleaning the projector.
The cabinet as well as the operation panel is 
made of plastic. Avoid using benzene or 
thinner, as these can damage the fi nish on 
the cabinet.
Do not use volatile agents such as 
insecticides on the projector.
Do not attach rubber or plastic items to the 
projector for long periods.
The effects of some of the agents in the 
plastic may cause damage to the quality or 
fi nish of the projector.
Wiping with a hard cloth or using strong 
force may scratch the cabinet surface.
Wipe off dirt gently with a soft fl annel cloth.
Using a chemical cloth (wet/dry sheet type 
cloth, etc.) may deform the components of 
the cabinet or cause cracking.
When the dirt is hard to remove, soak a cloth 
in a mild detergent diluted with water, wring 
the cloth well and then wipe the projector.
Strong cleaning detergents may discolor, 
warp or damage the coating on the projector. 
Make sure to test on a small, inconspicuous 
area on the projector before use.
Mild deter
gent
Mild detergent diluted
with water
Thinner
Wax
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Cleaning the lens
Use a commercially available blower or lens 
cleaning paper (for glasses and camera 
lenses) for cleaning the lens. Do not use any 
liquid type cleaning agents, as they may 
wear off the coating fi lm on the surface of the 
lens.
As the surface of the lens can easily get 
damaged, be careful not to scrape or hit the 
lens.
Cleaning the exhaust and intake vents
Use a vacuum cleaner to clean dust from the 
exhaust vent and the intake vent.
Info
If you want to clean the air vents during 
projector operation, ensure you press 
STANDBY/ON on the projector or 
STANDBY on the remote control and put the 
projector into Standby mode. After the 
cooling fan has stopped, clean the vents.
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