Epson Powerlite 76c Multimedia Projector Users Guide

71
5
Maintaining and 
Transporting the Projector
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 also need to periodically clean the air filter and the air intake and 
exhaust 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...

72Maintaining and Transporting the Projector
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,...

Maintaining and Transporting the Projector73
Cleaning and Replacing the Air Filter
Clean the air filter and air intake and exhaust vent on the bottom 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 vent are clogged, the projector displays the 
message 
The projector is overheated.
To clean the air filter and air vent, follow...

74Maintaining and Transporting the Projector 3. If you need to replace the filter, slide it off, as shown.
4. Align the new filter carefully as you slide it into place. It should 
click into place. 

Maintaining and Transporting the Projector75
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...

76Maintaining 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.
8. Once the lamp is fully inserted, tighten its screws.
Don’t remove 
these screws
note
 The lamp(s) in this 
product contain mercury. 
Please consult your state and 
local regulations regarding 
disposal...

Maintaining and Transporting the Projector77
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 next section.
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....

78Maintaining and Transporting the Projector 4. Select 
Yes and press Enter.
5. Press 
Esc to return to the main menu or the Menu button to exit 
the menu system. 
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...

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...