Epson Powerlite 715c Multimedia Projector Users Guide

82Fine-tuning the ProjectorYou see the lamp usage hours and computer display settings on 
the right:
The life span of the lamp is about 1000 hours. If the number 
shown is close to 1000, make sure you have a spare lamp handy.
3. When you’re finished, press 
Esc or Menu.
Restoring the Default Settings
The Reset All option lets you return all the projector settings to their 
default values.
Select 
Reset All and press the Enter button on the remote control to 
display the confirmation screen. Select 
Yes...

7
Maintaining and Transporting the Projector83
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 on top of the 
projector. A clogged air filter can block ventilation needed to cool the 
projector and keep it from overheating. 
The only parts you should replace are the lamp and air filter....

84Maintaining 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 Projector85
Cleaning and Replacing the Air Filter 
Clean the air filter on top of the projector after every 100 hours of use. 
If it is not cleaned periodically, it can become clogged with dust, 
preventing proper ventilation. This can cause overheating and damage 
the projector. To clean the air filter, follow these steps:
1. Turn off the projector, allow it to cool down, and unplug the 
power cord.
2. Stand the projector on end to keep dust and dirt from falling...

86Maintaining and Transporting the Projector4. If you need to replace the filter, use a small screwdriver to pry it 
off.
5. To install the new filter, first insert the tab, then press down until 
it clicks in place.
Replacing the Lamp 
The projection lamp typically lasts for about 1000 hours of use. It is 
time to replace the lamp when:

The projection image gets darker or starts to deteriorate.

The lamp warning light   is flashing red or orange. 

The message LAMP REPLACE appears on the screen when...

Maintaining and Transporting the Projector87
Follow these steps to replace the lamp:
1. Turn off the projector, then unplug the power cord.
2. Allow the projector to cool down for at least an hour (if it has 
been on).
3. Turn the projector upside-down to access the lamp compartment.
4. Use a screwdriver to loosen the retaining screw on the lamp cover. 
(You can’t remove the screw from the cover.) 
When the screw is loose, lift off the lamp cover. 
)
5. Use a screwdriver to loosen the two screws holding...

88Maintaining and Transporting the Projector7. Gently insert the new lamp. 
8. Once the lamp is fully inserted, tighten its screws.
9. Replace the lamp cover and tighten its screw securely. (The 
projector won’t come on if the lamp cover is loose.)
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...

8
Solving Problems89
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 problems with the remote control

Solving EasyMP problems

EasyMP error messages

Contacting technical support 

90Solving 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 blue 
? Help button on top of the projector or 
under the cover on the remote control. The following choices are 
available:

Help for the image

Help for the sound

Language selection
Follow these steps to get help:
1. Press the blue 
? Help button on the projector or the remote 
control. You see the help menu.
2. Press the side of the 
Select (Keystone) button on the...

Solving Problems91
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status and 
let you know when a problem occurs.
If the projector is not working correctly, first turn it off and unplug it. 
Then plug the power cord back in and turn on the projector. If this 
does not solve the problem, check the status lights on top of the 
projector and try the solutions recommended below.
The   power light is flashing orange and you cannot turn 
on the projector.
The lamp...