Epson Powerlite 7700p Multimedia Projector Users Guide

Fine-tuning the Projector55
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 control button or 
remote control to display the confirmation screen. Select 
Yes to reset 
all the default settings or 
No to cancel.
Execute
Video
Audio
Effect
Setting
Capture
Advanced
About
Reset All
:Select :Enter
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56Fine-tuning the Projector
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5
Maintaining and Transporting the Projector57
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 the bottom 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...

58Maintaining 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 Projector59
Cleaning and Replacing the Air Filter 
Clean the air filter at the bottom 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. Turn the projector on its side so that the handle is on top...

60Maintaining and Transporting the Projector4. If you need to replace the filter, pull on the catch to remove it. 
Make sure the projector is on its side as shown (not turned upside 
down) to prevent dust from falling inside.
5. To install the new filter, first insert the tabs, then press on the 
catch until it clicks in place.
Replacing the Lamp 
The projection lamp typically lasts for about 1500 hours of use. It is 
time to replace the lamp when:

The projection image gets darker or starts to...

Maintaining and Transporting the Projector61
Follow these steps to replace the lamp:
1. Turn off the projector and unplug the power cord.
2. Allow the projector to cool down for at least an hour (if it has 
been on).
3. 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, slide off the lamp cover. 
)
4. Use a screwdriver to loosen the two screws holding the lamp in 
place. (You can’t remove these screws.) 
5. Lift up...

62Maintaining and Transporting the Projector6. Fully insert the new lamp. (The plastic flap will flex out of the 
way.) 
7. Once the lamp is fully inserted, tighten its screws.
8. Replace the lamp cover and tighten its screw securely. (The 
projector won’t come on if the lamp cover is loose.)
9. Reset the lamp timer as described in the following section.
Resetting the Lamp Timer
After you install a new lamp, you need to reset the timer so the 
projector can keep track of how many hours it has been used....

Maintaining and Transporting the Projector63
2. Use the left arrow button (control panel) or press left on the 
Enter button (remote control) to select Yes. 
3. Press 
Enter to reset the timer.
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...

64Maintaining and Transporting the Projector
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