Epson Projector Ex21 User Manual

Maintaining the Projector61
3. Loosen the lamp cover screw (you cannot remove it). Then slide 
the lamp cover off.
4. Loosen the two screws holding the lamp in place (you can’t 
remove them).
5. Hold the lamp as shown and pull it straight out.
 
Loosen, but don’t 
remove these screws
note
The lamp(s) in this 
product contain mercury. 
Please consult your state and 
local regulations regarding 
disposal or recycling. Do not 
put in the trash. 

62Maintaining the Projector6. Gently insert the new lamp. (If it doesn’t fit easily, make sure it is 
facing the right way.) Then tighten its screws.
7. Replace the lamp cover, then tighten its screw.
8. Reset the lamp timer as described in the next section. 
Resetting the Lamp Timer
After you replace the lamp, you need to reset the lamp timer using the 
projector’s menu system. 
1. Press the 
Menu button on the remote control or on the 
projector’s control panel. You see the main menu.
note
Tighten the...

Maintaining the Projector63
2. Select the Reset menu and press Enter. You see this screen:
3. Select 
Reset Lamp Hours and press Enter. 
4. When you see the prompt, select
 Yes and press Enter.
5. When you’re finished, press 
Menu to exit.
Checking Lamp Usage 
To check the number of hours the lamp has been used, press the 
Menu button and highlight the Info menu. You see a screen like this:
The life span of the lamp is about 3000 hours if the 
Brightness 
Control
 setting in the Settings menu is set to...

64Maintaining the Projector
Replacing the Remote Control Batteries
Replace the batteries in the remote control as described below: 
1. Turn the remote control over.
2. Press in on the catch on the battery cover as you lift the cover off.
3. Install two AA alkaline batteries, inserting the 
+and– ends as 
shown.
4. Replace the battery cover and press it down until it clicks into 
place.
caution
When replacing batteries, 
take the following 
precautions:
■Replace the batteries as 
soon as they run out. If...

Maintaining the Projector65
Transporting the Projector
The projector contains many glass and precision parts. When 
hand-carrying the projector, consider using an optional carrying case, 
available as an accessory from Epson (see page 11.).
Follow these guidelines to prevent damage when transporting it: 
■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...

66Maintaining the Projector 

67
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. The following information is included:
■Using the projector’s on-screen help system
■What to do when the projector’s status lights flash
■Solving projector operation problems
■Solving problems with the image or sound
■Solving problems with the remote control
■Contacting technical support 

68Solving 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 the remote 
control.
1. Press the 
? Help button on the remote control or on the 
projector. 
You see the Help menu:
2. Use the arrow buttons on the remote control or the projector to 
highlight menu items.
3. Press the 
Enter button on the remote control or the projector to 
select the menu item and read the solutions. 
4. To exit the...

Solving Problems69
Checking Projector Status
If your projector isn’t working correctly, first turn it off and unplug it. 
Then plug the power cord back in and turn on the projector. If this 
doesn’t solve the problem, check the lights on top of the projector.
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status.
Refer to the following tables for a complete description of the 
projector’s status lights:
Temperature 
lightLamp light Power light
Power light...

70Solving Problems Error light(s) status
Error light(s) status Description
PGreen or orange
Flashing orange
OffIt’s time to replace the lamp. See page 60 for instructions. If you continue 
to use the lamp after the replacement warning, there is an increased 
possibility that the lamp may break.
PRed
Off
Flashing orangeRapid cooling is in progress. Although this is not an abnormal condition, 
projection will stop automatically if the temperature rises higher. Make sure 
there is plenty of space around and...