Epson Powerlite 735c Multimedia Projector Users Guide

Maintaining the Projector95
Cleaning and Replacing the Air Filter
Clean the air filter on the side 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. To clean the filter, EPSON recommends using a small vacuum 
cleaner designed for...

96Maintaining the Projector
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 deteriorate.
■The lamp warning light   is red or flashing red.
■The message LAMP REPLACE appears on the screen when the 
lamp comes on (after about 1400 hours of use). To maintain 
projector brightness and image quality, replace the lamp as soon 
as possible.
Contact your dealer or call EPSON at (800) 873-7766...

Maintaining the Projector97
4. Use a screwdriver to loosen the two silver screws holding the lamp 
in place. (You can’t remove these screws.)
5. Grasp the lamp as shown and pull it straight out.
6. Gently insert the new lamp. 
7. Once the lamp is fully inserted, tighten its screws.
8. Replace the lamp cover. (The projector won’t come on if the lamp 
cover is loose.)
Continue on to the next section to reset the lamp timer. 
caution
Do not touch the glass 
portion of the new lamp 
assembly. Touching the...

98Maintaining the Projector
Resetting the Lamp Timer
After you replace the lamp, you need to reset the lamp timer using the 
projector’s menu. 
1. Press the 
Menu button on the remote control. You see the main 
menu.
2. Use the arrow buttons on the remote control to highlight 
About. 
You see the lamp usage hours and other settings:
3. Press 
Enter to select the About menu.
4. Select 
Reset Lamp Timer, then press Enter. You see this 
prompt:
5. Select
 Yes, then press Enter.
6. When you’re finished,...

Maintaining the Projector99
Transporting the Projector
The projector contains many glass and precision parts. If you need to 
transport it, 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 a long distance, first put it in a 
carrying case...

100Maintaining the Projector 

Solving Problems101
1
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 problems with EasyMP
■Contacting technical support 

102Solving 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 
on the remote control. The following choices are available:
■Help for the image
■Help for the sound
■Language selection (Language)
Follow these steps to get help:
1. Press the blue 
? Help button on the projector. 
You see the Help menu:
2. Use the arrow buttons on the remote control or the 
Select 
buttons on the projector...

Solving Problems103
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, let it cool, 
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 on the 
following pages.
Refer to the following table for a complete...

104Solving Problems
The   power light is flashing orange and you cannot turn 
on the projector.
The lamp is cooling down. Wait until the light turns off and then 
press the 
Power button to turn on the projector.
The   power light does not come on.
Make sure the power cord is connected securely both at the power 
outlet and the projector. If you have just replaced the lamp, make sure 
the cover is securely fastened.
flashing orange The projector is too hot. Make sure the temperature surrounding the...