Sanyo 1080HD User Manual

The air filter prevents dust from accumulating on the surface of the optical elements inside the projector. Should the air filter 
becomes clogged with dust particles, it will reduce cooling fan’s effectiveness and may result in a buildup of internal heat 
and adversely affect the life of the projector. Clean the air filter by following the steps below.

cause a poor image quality .
When using the projector under dusty or smoky conditions, dust 

may accumulate on a lens, LCD panels, or optical elements inside 

the projector degrading the quality of a projected image. 
When the symptoms above are noticed, contact your authorized 

dealer or service station for proper cleaning.

Unplug the AC power cord before cleaning.

Latch

Press the latch and take 
off the filter covers.

Tab

Tab

Filter cover

Air filter

When putting back the air 
filter, make sure that the 
arrows on the filter are 
facing towards the projector.

Groove

Arrows

Push here when 
you are putting 
back the air filter.

Press the latch and release it. Take off the filter cover.

Remove dust and dirt with a soft brush or a vacuum cleaner. 
Be careful not to damage the air filter and do not clean it 
with water. 
When the air filter gets dusty and dirty, replace it with a new 
one. For ordering the replacement filter, contact your sales 
dealer.

Put the air filter back into the position. Do not push the 
delicate filter part. Make sure that the air filter is properly and 
fully inserted.

Pull out the air filter. 
When taking out the air filter, put your fingers on the air 
filter’s tabs and pull. Do not try to pull the delicate filter part.

Reset the filter counter (p.48).

Close the filter cover.

Do not operate the projector with the air filters 

removed. Dust may accumulate on the optical 

elements degrading picture quality. Do not put 

anything into the air intake vents. Otherwise it may 

result in malfunction of the projector.