Epson Projector 5020UB User Manual

							Maintenance71
3. Press in on the inner edge of the air filter cover to release the latch, then pull to remove 
the cover.
4. Remove the air filter as shown.
5. Gently tap both sides of the air filter against a hard surface four 
or five times to remove loose dust from the air filter.
Note: Do not use excessive force when tapping the air filter, or it 
may crack and become unusable. Do not rinse the air filter in water, 
or use any detergent or solvent to clean it. Do not used canned air, 
or the gases may leave a residue. 
6. Use a small vacuum cleaner that is designed for computers and 
other office equipment to remove any remaining dust from the 
surface of the filter. If you don’t have one, gently clean the 
filter using a very soft brush (such as a clean artist’s 
paintbrush). 
						

							72Maintenance
If the dirt is difficult to remove or the filter is broken, replace it. You can purchase air 
filter part number V13H134A39 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).
7. Insert the air filter as shown.
8. Insert the outer edge of the air filter cover into the notches on the projector, then press in 
on the inner edge of the cover to lock it into place, as shown below.
Replacing the Lamp
The projection lamp lasts for up to 4000 hours in Normal mode. You can use the Info menu 
to check how long it’s been in use (see page76). It’s time to replace the lamp when:
■The projected image gets darker or starts to deteriorate.
■The projector’s lamp light flashes orange or red at half-second intervals.
■The message Replace the lamp appears on the screen when you start projecting.
Note: Lamp life results will vary depending on mode selected, environmental conditions, and 
usage. 
Turn off this product when not in use to prolong the life of the projector. 
						

							Maintenance73
You can purchase lamp part number V13H010L69 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).
Be sure to read the “Important Safety Information” on page 92 before replacing the lamp. 
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 on the projector twice or the 
Standby 
button on the remote control and wait for the power light to stop flashing. 
2. Turn off the power switch on the back of the projector and unplug the power cord and 
any cables.
3. Wait about an hour to make sure the lamp is no longer hot.
4. Loosen the screw securing the lamp cover.
5. Remove the lamp cover as shown. 
						

							74Maintenance
6. Loosen the screws securing the lamp (they don’t come all the way out).
7. Lift up the lamp handle and gently pull the lamp out of the projector. 
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 into the projector and press the handle down. Tighten the 
screws.
Caution: Don’t touch the glass portion of the lamp assembly. Touching the glass could result 
in premature lamp failure. 
						

							Maintenance75
9. Replace the lamp cover. (The projector won’t work if the lamp cover is open or loose.)
10. Tighten the lamp cover screw.
11. Reset the lamp usage timer, as described on page 75.
Resetting the Lamp Usage Timer
After replacing the lamp, plug the projector back in, turn on the power switch on the back of 
the projector, and press the Ppower button on the projector or the 
On button on the remote 
control. 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. 
						

							76Maintenance
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 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 settings (see page 89).
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).
■Retract the adjustable front feet.
■Remove the batteries from the remote control.
■Pack the projector in its original packaging or equivalent.
■Lamp Hours■3D Format
■Source■Sync Info
■Input Signal■Video Signal
■Resolution■Deep Color (color depth)
■Scan Mode■Status (error information)
■Refresh Rate■Serial Number 
						

							Maintenance77
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 used 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. 
						

							78Problem Solving
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 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.
Note: If the  power button and light don’t come on, they may have been turned off using the 
Illumination setting (see page 56).
Lights indicating normal operation
Light state Cause and solution
All lights are off The projector is turned off.
Power light is off, 
power button is onThe projector is in standby mode. Press the 
Ppower button on 
the projector or the
 On button on the remote control to turn it on. 
						

							Problem Solving79
Power light flashes 
blue, power button 
is onThe projector is warming up. Wait for the picture to appear.
The projector is cooling down. Wait until the power light stops 
flashing and remains off. Then press the 
Ppower button on the 
projector or the On button on the remote control to turn it back 
on.
Power light and 
power button are 
onProjection 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.
The temperature 
light flashes 
orangeHigh-speed cooling is in progress. If the temperature rises 
further, projection will stop automatically. Clean or replace the 
filter (see page 70). Also, make sure there is plenty of space 
around the projector for ventilation.
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 57).
The temperature 
light is redThe projector is too hot, which turns off the lamp automatically. 
Clean or replace the filter (see page 70). Also, make sure there is 
plenty of space around the projector for ventilation.
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 57).
The lamp light 
flashes orangeThe lamp needs to be replaced.
The lamp light 
flashes redThere is a problem with the lamp. If you just replaced the lamp, 
make sure the lamp and its cover are securely installed (see 
page 72). Turn off the projector and unplug it from the electrical 
outlet. Wait for the lamp to cool, then remove the lamp and check 
it for cracks. If the lamp isn’t cracked, reinstall it, plug the 
projector into an outlet, and turn the power on. If this doesn’t fix 
the problem, or if the lamp is cracked, contact Epson for 
assistance (see page 86).
Lights indicating normal operation
Light state Cause and solution 
						

							80Problem Solving
Solving Picture Problems
You cannot turn on the projector.
■Make sure the power cord is connected and the power switch on the back of the projector 
is turned on. Then wait a moment for the Ppower button to light up before pressing the 
Ppower button on the projector or the 
On button on the remote control.
■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 37).
■If you’ve set the Child Lock, you have to press the Ppower button on the projector for 3 
seconds to turn on the projector, or use the remote control (see page 37).
No picture appears on the screen or you see the 
No Signal message displayed.
■Press one of the Source buttons on the remote control, or press the  source button 
on the projector, 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 power light is on and not flashing, and the lens cover is open.
■The projector may be in standby (or sleep) mode. If the Ppower button is lit and the 
power light is off, press the Ppower button to turn the projector back on. 
■Make sure your video equipment is turned on.
■Make sure your cable(s) are connected correctly (see page 18).
The temperature 
light flashes redThere is a fan or sensor problem. Turn off the projector and 
unplug it from the electrical outlet. Then contact Epson for 
assistance (see page 86).
Both warning 
lights are 
flashing redThere is an internal problem.
 Turn off the projector and unplug it 
from the electrical outlet. Then contact Epson for assistance (see 
page 86).
Lights indicating a problem
Light state Cause and solution