Epson Powerlite Cinema 550 Home Theater Projector Users Guide

Maintenance51
5. Press in the latches securing the lamp cover and lift off the cover.
6. Loosen the two screws securing the lamp (they don’t come all the way out).
7. Grasp the lamp as shown and pull it straight out.
Warning:  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. 

52Maintenance
8. Gently insert the new lamp and tighten its screws.
Caution: Don’t touch the glass portion of the lamp assembly. Touching the glass could 
result in premature lamp failure.
9. Replace the lamp cover. (The projector won’t work if the lamp cover is open or loose.)
10. Reset the lamp usage timer, as described below.
Resetting the Lamp Usage Timer
After replacing the lamp, plug the projector back in, turn on the power switch on the back, 
and press the P 
Power button. Then follow these steps...

Maintenance53
Checking the Projector Status
You can use the Info menu to view information about the current display settings and how 
long the projection lamp has been in use. To access the Info menu:
1. Press the 
Menu button on the projector or remote control.
2. Use the menu navigation buttons to open the 
Info menu. The following information 
appears:
Note: The information displayed depends on the currently selected image source. The Lamp 
Hours shows 0H until you’ve used the lamp for at least 10...

54Maintenance
Transporting the Projector
Note: Epson shall not be liable for any damages incurred during transportation.
The projector contains many glass and precision parts. When shipping the projector for 
repairs, use the original packaging material if possible. If you do not have the original 
packaging, use equivalent materials. Be sure the carrier is capable of transporting fragile 
equipment and is aware that the projector is fragile.
Before transporting the projector, make sure you center the...

Problem Solving55
Problem Solving
This section explains how to interpret the projector’s status lights, solve problems with the 
picture and remote control, and contact technical support.
What To Do When the Lights Come On 
or Flash
The lights on top of the projector indicate the projector’s 
status and let you know when a problem occurs.
If the projector isn’t working correctly, first press the 
P
Power button or the Off button on the remote 
control, let it cool down, turn off the power switch on the...

56Problem Solving
Solving Picture Problems
You cannot turn on the projector.
■Make sure the power cord is connected and the power switch is turned on. Then wait a 
moment for the power light to turn orange before pressing the P 
Power button.
■If you’ve set the Operation Lock, the control panel buttons are disabled; you must use 
the remote control to turn on the projector (see page 31).
warning light is 
flashing orangeHigh-speed cooling is in progress. If the projector gets too 
hot again, projection...

Problem Solving57
No picture appears on the screen or you see the No Signal message displayed.
■Press the Source button on the projector or one of the Source buttons on the remote 
control to select the correct input source. Allow a few seconds for the projector to sync up 
after pressing the button.
■Press the Blank button on the remote control to make sure the picture hasn’t been turned 
off temporarily.
■Check that the P power light is green, not flashing, and the lens cover is off.
■The projector may...

58Problem Solving
If you’re using a Macintosh with OS 9.x or earlier:
1. From the Apple menu, select 
Control Panels, then click 
Monitors and Sound.
2. Click the 
Arrange icon, and 
then drag one monitor icon on 
top of the other.
If the 
Arrange option isn’t available, you 
may need to select one of the Simulscan 
resolutions. Click the 
Monitor icon and 
then select a Simulscan resolution from 
the 
Resolution box. (Allow a few 
seconds for the projector to sync up.)
The picture is upside-down or...

Problem Solving59
The picture isn’t rectangular.
■If the image looks like  or  , the projector has been placed off to one side of the 
screen and angled toward it. Face the projector straight ahead (instead of at the center of 
the screen), then use the horizontal lens shift dial to center the image (see page 24). 
■If the image looks like  or  , use the remote control to access the Keystone 
function to correct its shape (see page 25). Or press the u and d buttons on the 
projector’s control panel....

60Problem Solving
The colors on the screen don’t look right.
■Make sure the Input Signal is set correctly for your connected video equipment (see 
page 45). 
■Press the Color Mode button on the remote control to select a different color mode (see 
page 28).
■Check the brightness and contrast settings (see page 35).
■Fine-tune the colors with the settings listed on page 38.
■If the picture looks dark, you may need to replace the lamp. Check the lamp usage timer 
to see how long the lamp has been in use...