Optoma W307USTI User's Guide download pdf (Page 50)

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Appendices

Replacing and cleaning the optional

dust lter

We recommend cleaning the dust lter after every 500 hours of use,

clean it more often if the projector is used in a dusty environment.

The usage time of the dust lter is reached.

Please clean the dust lters for better performance.

Warning! Dust Filters

When you see this message, please nd following steps for cleaning

procedure:

Lamp Replacement Procedure:

1. Switch off the projector power by pressing the “ ” button.

2. Disconnect the power cord.

3. Pull the latch by the arrow direction. 1

4. Remove the dust lter slowly and carefully.

5. Clean or replace the dust lter. 2

To install the dust lter, reverse the previous steps.

6. Turn on the projector and use “Reset Dust Filter” after the dust lter is re-

placed.

The optional dust 

lter should be

used in dusty

environments.

If the dust lter is 

installed, proper

maintenance will

prevent overheat-

ing and related

damage to the

projector.

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Optoma W307USTI User's Guide Page 50