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 
Ppower button and Ppower light flash.
Note: Lamp life results will vary depending on mode selected, 
environmental conditions, and usage.
Tip:  Turn off this product when not in use to prolong the life of 
the projector.
You can purchase lamp part number V13H010L67 from an authorized Epson reseller. To 
find the nearest reseller, please call 800-GO-EPSON (800-463-7766). To purchase online, 
visit www.epsonstore.com (U.S. sales) or www.epson.ca (Canadian sales).
Warning: Let the lamp cool fully (about 1 hour) before replacing it. In the unlikely event that the 
lamp has broken, small glass fragments may be present and should be removed carefully to avoid 
injury. 
Caution: Never touch the glass portion of the lamp with your bare hands; the invisible residue left 
by the oil on your hands may shorten the lamp life. Use a cloth or glove to handle the new lamp.
Follow these steps to replace the lamp:
1. If the projector is on, press the P power button and wait for the light to stop flashing and 
the projector to beep twice.
2. Unplug the power cord and any cables.
3. If using an iPod, remove the iPod and close the dock.
4. Wait about an hour to make sure the lamp is no longer hot.
Lamp 
light 
						

							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 the 
screws.
Caution: Don’t touch the glass portion of the lamp assembly. Touching the glass could result 
in premature lamp failure. 
						

							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
. 
3. When you see a confirmation prompt, highlight 
Yes and press the enter button.
4. When you’re finished, press the 
Menu button to exit.
The lamp usage timer shows 0H until you’ve used the lamp for at least 10 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 indicates the total number of scan lines in the source signal. The number of visible 
scan lines depends on the signal format standard and selected display (see page 75).
Storing the Projector
If you need to store the projector for an extended time, do the following:
■Make sure the temperature of the storage area is within 14 to 140 °F (–10 to 60 °C).
■Close the lens cover and retract the feet.
■Close the dock.
■Remove the batteries from the remote control.
■Pack the projector in its original packaging or equivalent.
■Lamp Hours■Refresh Rate
■Source■Sync Info
■Input Signal■Serial Number
■Resolution■Status (error information) 
						

							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 projector is fragile. 
						

							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 on the projector. If this doesn’t solve the 
problem, check the status lights on top of the projector.
Light status during normal operation
Light status Cause and solution
All lights are off. The projector is turned off. If necessary, connect the power 
cord. Also check to see if the
 Illumination setting is to Off. 
See page 50.
Power button is on. The projector is in standby mode. Unplug the projector to turn 
it off, or press the 
Ppower button to turn it on.
Power button is on and 
power light flashes. The projector is warming up. Wait for the picture to appear.
or the projector is cooling down. Wait until the light stops 
flashing and turns off. The projector is now in standby mode.
Do not unplug the power cable while the projector is cooling 
down. This may reduce the life span of the lamp.
Status 
lights Status lights 
						

							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 
projector’s 
status.The projector is too hot. High-speed cooling is in progress. If 
the temperature rises further, projection will stop 
automatically. Make sure there is plenty of space around the 
projector for ventilation. Clean or replace the air filter if 
necessary (see page 59).
If you are using the projector at an altitude above 4921 feet 
(1500 meters), turn on High Altitude Mode so the fan can 
cool the projector properly (see page 50).
The temperature 
light is red.The projector is too hot, which turns off the lamp 
automatically. Let the projector cool for five minutes, then turn 
it back on. Make sure there is plenty of space around the 
projector for ventilation. Also, clean or replace the filter if 
necessary (see page 59). 
If you are using the projector at an altitude above 4921 feet 
(1500 meters), turn on High Altitude Mode so the fan can 
cool the projector properly (see page 50).
The lamp light 
flashes orange 
and the  power 
button and light 
are flashing.
The temperature 
light state will 
vary according to 
the projector’s 
status.The lamp needs to be replaced (see page 61). Make sure you 
have a spare lamp handy. If you just replaced the lamp, you 
may need to reset the lamp usage timer (see page 63).
Light status during normal operation
Light status Cause and solution 
						

							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 have to press the Ppower button for 3 seconds to turn 
on the projector, or use the remote control (see page 47).
No picture appears on the screen or you see the 
No Signal message displayed.
■Press the Source buttons on the remote control or on the projector to select the correct 
input source. Allow a few seconds for the projector to sync up after pressing the button.
The lamp light 
flashes red.The lamp may be incorrectly installed, or the lamp may be 
broken. Turn off the power, wait for the lamp to cool off, and 
check the lamp (see page 61). If the lamp is broken, or the 
lamp light continues to flash after you turn the power back on, 
turn off the projector and contact Epson.
If you are using the projector at an altitude above 4921 feet 
(1500 meters), turn on High Altitude Mode so the fan can 
cool the projector properly (see page 50).
Clean or replace the filter if necessary (see page 59).
Lamp and 
temperature 
lights are 
flashing red.There is an internal problem.
 Turn off the projector, and unplug 
it from the electrical outlet. Then contact Epson for assistance 
(see page 72).
The 
temperature 
light flashes 
red.There is a fan or sensor problem. Turn off the projector, and 
unplug it from the electrical outlet. Then contact Epson for 
assistance (see page 72).
Lights indicating a problem (continued)
Light state Cause and solution 
						

							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 properly seated on the dock and that the Dock 
light is on (see page 21).
■Make sure your cable(s) are connected correctly (see page 27).
Only part of the picture is displayed, or the picture is distorted.
■Press the Aspect button to select a different aspect ratio (see page 38).
■Check the Overscan to make sure it’s adjusted correctly (see page 46).
You’re using a computer and no picture appears on the screen.
If you’re using a Windows
® laptop:
1. Hold down the laptop’s 
Fn key and press the key labelled with a monitor icon or 
CRT/LCD. (See your laptop manual for details.) Wait a few seconds for an image to 
appear.
2. To display both on the laptop’s monitor and projector, try pressing the same keys again.
3. If the same image is not displayed by the laptop and projector, check the Windows 
Display utility to make sure the external monitor port is enabled. (See your computer or 
Windows manual for instructions.)
4. If necessary, check your video card settings and set the multiple display option to 
Clone.
If you’re using Mac OS X:
1. Open the 
System Preferences utility and select Displays.
2. Select the 
VGA Display or Color LCD option, if necessary.
3. Click the 
Arrange or Arrangement tab.
4. Check the 
Mirror Displays checkbox.  
						

							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 horizontal keystone slider to adjust the image shape (see page 34). 
■If the image looks like  or  , make sure the Auto-V keystone is turned on. 
The picture contains static or noise.
■If you’re viewing still images and you notice flickering or horizontal lines, turn on the 
Progressive setting (see page 46).
■Make sure your cables are securely connected at both ends.
■If you’re using an extension cable, you may pick up interference if the cable is not 
adequately shielded. You may need to use a signal amplifier for longer cables.
■If you’re displaying the same image on your computer and projector screen, try turning 
off your laptop’s LCD screen (see page 69).
The picture is blurry.
■There may be dirt on the lens. Clean the lens as described on page 58.
■Adjust the focus (see page 34).
■Make sure the lens is not fogged by condensation. If you’ve just moved the projector from 
a cold environment, wait a couple of minutes before using it.
■Adjust the Sharpness setting (see page 44). 
■If you’re projecting an image or video from an iPod at high resolution and the image is 
not clear, check your iPod or application user’s guide for image/video resolution. Not all 
devices support HD media.
The colors on the screen don’t look right.
■Press the Color Mode button on the remote control to select a different color mode (see 
page 39).
■Check the brightness and contrast (see page 43).