Acer P7280i Series - Manual (Page 45)

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Cleaning and replacing the dust filters
Cleaning the dust filters
Clean the dust filters after every 1000 hours of use. If they are note cleaned
periodically, they can become clogged with dust, preventing proper ventilation.
This can cause overheating and damage the projector.
Follow these steps:
1
Turn the projector off. Wait for the Power LED to stop flashing then
unplug the power cord.
2 Turn the projector upside down.
3 To clean the dust filters, use a small vacuum cleaner designed for
computers and other office equipment.
4 If the dirt is difficult to remove or the filter is broken, please contact your
local dealer or service center to obtain a new filter.
Replacing the dust filters
1
Turn the projector off.
2 Allow the projector at least 30 mins
to cool down.
3 Unplug the power cord.
4 Turn the projector upside down.
5 Slide the bottom dust filter out and
remove it. (Illustration #1)
6 Insert a suitable coin into the top
cover release button (Illustration #2)
and rotate clockwise (Illustration
#3).
7 Open the top cover. (Illustration #4)
8 Pull the top dust filter up.
(Illustration #5)
To put the dust filters back, reverse
the previous step.
Note: Please ensure that both top and bottom dust filters are
properly installed. Otherwise there will be a warning sound and
the projector can not be turned on.
Dust Filter