Mitsubishi Electric UD8900U User Manual page 68

Automatic cleaning filter (continued)
How to clean the automatic cleaning filter
Check the amount of dust through the dust check
window of the filter cover and clean it, if necessary.
Before cleaning the filter, be sure to unplug the power
cord from the outlet.
is filled up with dust, the cleaning ability decreases.
If you use the projector in such a state, the filter is
covered by the dust and the temperature inside the
product abnormally rises, damaging the internal
parts and components and affecting the panel's
lifetime, resulting in a breakdown.
When the temperature inside the projector is
abnormally high, the projector may automatically
turn off and go into the standby mode where the
light source lamps are off to protect the internal
parts and components.
1. Loosen the screw (a) that is securing the filter cover
using a Phillips screwdriver and remove the filter
cover (b) from the projector.
Dust check window
2. Remove the automatic cleaning filter.
3. Remove the dust box from the automatic cleaning
filter and get rid of the dust from it.
filter and projector using a vacuum cleaner.
(a)
(b)
EN-68
4. Attach the dust box to the automatic cleaning filter.
5. Attach the automatic cleaning filter.
6. Insert the filter cover (b) into the projector and
tighten the screw (a) on the filter cover firmly using
a Phillips screwdriver.
(b)
(a)