Epson Powerlite 822+ Multimedia Projector Users Guide

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Maintenance and 
Transportation
Your projector needs little maintenance. All you need to do on a 
regular basis is keep the lens clean. Any dirt or smears on the lens may 
show up on your projected image. 
You may need to clean the air filter and air vents. A clogged air filter 
or air vent can block ventilation needed to cool the projector and 
cause overheating. 
The only parts you should replace are the lamp and air filter. If any 
other part needs replacing, contact your dealer or a qualified...

72Maintenance and Transportation
Cleaning the Lens
Clean the lens whenever you notice dirt or dust on the surface. 
■Use a canister of compressed air to remove dust. 
■To remove dirt or smears on the lens, use lens-cleaning paper. If 
necessary, moisten a soft cloth with lens cleaner and gently wipe 
the lens surface.
Cleaning the Projector Case
Before you clean the case, first turn off the projector and unplug the 
power cord. 
■To remove dirt or dust, wipe the case with a soft, dry, lint-free 
cloth....

Maintenance and Transportation73
To clean the air filter and air vent, follow these steps:
1. Turn off the projector, allow it to cool down, and unplug the 
power cord.
2. To clean the filter and vent, Epson recommends using a small 
vacuum cleaner designed for computers and other office 
equipment. If you don’t have one, gently clean them using a very 
soft brush (such as an artist’s paintbrush).
You can remove the air filter to clean both sides.
If the dirt is difficult to remove or if the filter is...

74Maintenance and Transportation4. Align the new filter and slide it in until it clicks into place.
Replacing the Lamp
The projection lamp typically lasts for about 3000 hours of use 
(in high brightness mode) or 4000 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...

Maintenance and Transportation75
3. Use the screwdriver included with the replacement lamp or a #2 
Phillips-head screwdriver to loosen the screw holding the lamp 
cover (the lamp cover is located on top of the projector).
4. Slide the cover out, then lift it off.
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. 
note
 The lamp(s) in this 
product contain mercury. 
Please consult your state and...

76Maintenance and Transportation7. Gently insert the new lamp along the guide rail. If it doesn’t fit 
easily, make sure it’s facing the correct way. Push the lamp down 
firmly where the label 
PUSH appears.
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 screw.
10. Reset the lamp timer as described in the...

Maintenance and Transportation77
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.
3. Select 
Reset Lamp Hours and press Enter. You see a 
confirmation screen.
4. Select 
Yes and press Enter.
5. Press 
Esc to return to the main menu or the Menu...

78Maintenance and Transportation
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 luggage, 
first...

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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
■Solving problems monitoring the projector over a network
■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. 
1. Press the 
? Help button on the remote control or projector. You 
see the Help menu.
2. Use the up and down arrow buttons on the projector or remote 
control to highlight the problem you want to solve. Then press 
the 
Enter button to view the solution(s). 
3. Press 
Esc to view another topic or press ? Help to...