Epson Powerlite 81p Multimedia Projector Users Guide

Maintaining and Transporting the Projector71
Cleaning and Replacing the Air Filter
Clean the air filter and air intake and exhaust vents on the bottom and 
rear of the projector after every 100 hours of use. If they are not 
cleaned periodically, they can become clogged with dust, preventing 
proper ventilation. This can cause overheating and damage the 
projector. When the filter and vents are clogged, the projector displays 
the message 
The projector is overheated.
To clean the air filter and air...

72Maintaining and Transporting the Projector 4. If you need to replace the filter, slide it off, as shown.
5. Align the new filter carefully as you slide it into place. It should 
click into place. 

Maintaining and Transporting the Projector73
Replacing the Lamp 
The projection lamp typically lasts for about 2000 hours of use 
(in high brightness mode) or 3000 hours (in low brightness mode). It 
is time to replace the lamp when: 
■The projected image gets darker or starts to deteriorate.
■The   lamp light is flashing orange. 
■The message Replace the Lamp appears on the screen when the 
lamp comes on. To maintain projector brightness and image 
quality, replace the lamp as soon as possible.
Contact...

74Maintaining and Transporting the Projector 5. Use the screwdriver to loosen the two screws holding the lamp in 
place. (You can’t remove the screws.) 
6. Hold the lamp as shown and pull it straight out. 
7. Gently insert the new lamp. If it doesn’t fit easily, make sure it’s 
facing the correct way.
Don’t remove 
these screws
warning
This product includes a lamp 
component that contains 
mercury (Hg). Please consult 
your state and local 
regulations regarding disposal 
or recycling. Do not put it 
in...

Maintaining and Transporting the Projector75
8. Once the lamp is fully inserted, tighten its screws.
9. Lower the lamp cover into place. (The opening should be almost 
covered, and the top of the cover should be flush with the top of 
the projector.) Then slide the cover closed and tighten the screws.
10. Reset the lamp timer as described in the next section.
note
Be sure to seat the lamp fully 
and secure the lamp cover. If 
the lamp is not properly 
installed or the cover is loose, 
the lamp will not...

76Maintaining and Transporting the Projector
Resetting the Lamp Timer
You must reset the lamp timer after replacing the lamp to clear the 
Replace the Lamp warning message. Follow these steps:
1. Connect the power cable and turn on the projector.
2. Press the 
Menu button on the remote control or projector and 
select the 
Reset menu. Then press Enter. You see the following:
3. Select the 
Lamp-Hours Reset option and press Enter. You see 
the following:
4. Select 
Yes and press Enter.
5. Press 
Esc to...

Maintaining and Transporting the Projector77
Transporting the Projector
The projector contains many glass and precision parts. If you need to 
transport it, please follow these packing guidelines to prevent damage 
to the projector: 
■When shipping the projector for repairs, use the original 
packaging material if possible. If you do not have the original 
packaging, use equivalent materials, placing plenty of cushioning 
around the projector.
■When transporting the projector as freight or checked...

78Maintaining and Transporting the Projector 

79
6
Solving Problems
This chapter helps you solve problems with your projector, and tells 
you how to contact technical support for problems you can’t solve 
yourself. This chapter explains the following:
■Using the projector’s on-screen help system
■What to do when the projector’s status lights flash
■Solving problems with the image or sound 
■Solving password problems
■Solving problems with the remote control
■Contacting technical support 

80Solving Problems
Using On-Screen Help 
If the image doesn’t look right or your audio isn’t working, you can 
get help by pressing the 
? Help button on the projector or remote 
control. The following choices are available:
■No signal or image appears on the screen
■Problems with sound
■Language change
Follow these steps to get help:
1. Press the 
? Help button on the remote control or projector. You 
see the help menu.
2. Use the   pointer button on the remote control or the up and 
down arrow buttons...