Epson Projector Megaplex Mg 850hd User Manual

Replacing the Lamp61
Replacing the Lamp
The projection lamp lasts for up to 4000 hours (in Normal mode) or 5000 hours (in ECO 
mode). You can use the 
Info menu to check how long it’s been in use (see page 64). It’s time 
to replace the lamp when:
■The following message appears: “It is time to replace your lamp. Please contact your 
Epson projector reseller or visit www.epson.com to purchase.”
■The projected image gets darker or starts to deteriorate.
■The projector’s lamp light flashes orange and the...

62Maintenance
5. Use a screwdriver to loosen the lamp cover. Slide the cover away from the projector to 
remove it.
6. Loosen the two screws securing the lamp. 
Note: The screws don’t come all the way out.
7. Grasp the lamp by the handle 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.
8. Gently insert the new lamp and tighten its screws. Lower the handle away from...

Replacing the Lamp63
9. Replace the lamp cover and tighten the screw. (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 and press the Ppower button. Then 
follow these steps to reset the lamp usage timer:
1. Press the 
Menu button on the projector or remote control.
2. Use the menu navigation buttons to open the 
Reset menu, then select Reset Lamp 
Hours
....

64Maintenance
Checking the Projector Status
You can use the Info menu to view information about the current display and how long the 
projection lamp has been in use. To access the Info menu:
1. Press the 
Menu button on the 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 hours.
The resolution...

Transporting the Projector65
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. Do not use materials that can become lodged in the 
projector vents. Be sure the carrier is capable of transporting fragile equipment and is aware 
that the...

66Problem Solving
Problem Solving
This section explains how to interpret the projector’s 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 
Ppower button, let the projector cool down, and 
unplug the power cord. Then plug the power cord back 
in and turn...

What To Do When the Lights Come On or Flash67
Power button and 
power light are on.Projection is in progress.
Lights indicating a problem
Light state Cause and solution
All lights are off. The projector is not receiving power. Make sure the power 
cord is connected securely at both ends. Also check to see if 
the
 Illumination setting is to Off. See page 50.
The temperature 
light flashes 
orange and the 
power button 
and light are 
flashing.
The lamp light 
state will vary 
according to the...

68Problem SolvingNote: If the  power button doesn’t light up, it may have been turned off using the Illumination 
setting (see page 50).
Solving Picture Problems
You cannot turn on the projector.
■Make sure the power cord is connected. Then wait a moment for the Ppower light to 
come on before pressing the Ppower button.
■If you’ve set the Control Panel Lock, the control panel buttons are disabled; you must 
use the remote control to turn on the projector (see page 47).
■If you’ve set the Child Lock, you...

Solving Picture Problems69
■Press the   A/V mute button on the remote control to make sure the picture hasn’t 
been turned off temporarily.
■Check that the Ppower light and button are on, that no status lights are flashing, and the 
lens cover is open.
■The projector may be in standby (or sleep) mode. If the Ppower button is on and the P 
power light is off, press the Ppower button to turn the projector back on. 
■Make sure your video equipment is turned on.
■If you’re using an iPod, make sure it is...

70Problem Solving
The picture is upside-down or reversed.
Change the 
Projection setting in the Extended menu (see page 49).
Note: You cannot change projection mode when an iPod is in the dock.
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. Use the horizontal keystone slider to correct the image. If 
more correction is needed, move the projector so that it is nearly centered with the screen, 
then use the...