Itel PJH431, User Manual

Page: 16 / 35

14
Maintenance
Cleaning Method
Make sure to unplug the power plug from the power outlet before cleaning .
Do not use insecticides or other volatile chemicals on the projector or lens .
Also do not allow the projector in long contact with the rubber or vinyl products .
It will result in a damaged or peeling coating .
Clean the Projector
Wipe the projector with a soft and dry cotton cloth . Wipe using a soft cloth
with diluted neutral detergent and wipe up with a dry cloth for very serious
smudges . Please comply with the attentions for wiping with a chemical ber cloth .
Do not use thinner , benzene or other solvents to avoid lower quality or spraying
coating peeling off .
A brush can be inserted in the front of the cleaner for cleaning the air vent .
Avoid direct use of the cleaner without any joints or nozzles ,
Do not scrap the projector’s main part with nails or other rigid objects to avoid
scratching .
Lens Smudges
Clean with the same method as the camera lens : use the cleaning web roller for
professional air blowers or glasses lens . Be careful not to scrap the lens .
Cleaning the inlet and outlet
Dust at the inlet and outlet prevents the air ventilation , resulting in temperature
rise and causing failure . Cleaning guideline : clean once at least every 10,000
hours of use . Turn off the power and disconnect the power cord .
Clean the external with an electric dust collector . Install a brush head converter
on the cleaner . Please note that do not use the cleaner without a converter or
an adapter without a brush head .