Epson Powerlite 73c Multimedia Projector Users Guide

							Maintaining and Transporting the Projector55
Replacing the Lamp 
The projection lamp typically lasts for about 1500 hours of use. It is 
time to replace the lamp when:
■The projected image gets darker or starts to deteriorate.
■The   warning light is red, flashing red, or flashing orange. 
■The message LAMP REPLACE appears on the screen when the 
lamp comes on (after about 1400 hours of use). To maintain 
projector brightness and image quality, replace the lamp as soon 
as possible.
Contact your dealer or call EPSON at (800) 873-7766 in the United 
States for a replacement lamp. Request part number 
V13H010L21.
In Canada, please call (800) 463-7766 to locate a dealer. 
Follow these steps to replace the lamp:
1. Turn off the projector, wait for the cool down period to end, then 
unplug the power cord.
2. Allow the projector to cool down for at least one hour (if it has 
been on).
3. Turn the projector upside-down to access the lamp compartment.
note
You can check to see how 
many hours the lamp has 
been used. See page 48.
warning
Let the lamp cool before 
replacing it. If the lamp 
breaks, handle the shards 
carefully to avoid injury. 
						

							56Maintaining and Transporting the Projector 4. Use the screwdriver included with the replacement lamp to slide 
the edge of the lamp cover towards the side of the projector. Then 
lift off the cover.
)
5. Use the screwdriver to loosen the two screws holding the lamp in 
place. The screws are deep inside the projector on the sides of the 
lamp. (You can’t remove the screws.) 
6. Hold the lamp by the top, as shown, and pull the lamp straight 
out. 
1
2
Don’t remove these screws
warning
This product includes a lamp 
component that contains 
mercury. Please consult your 
state and local regulations 
regarding disposal or 
recycling. Do not put it in the 
trash. 
						

							Maintaining and Transporting the Projector57
7. Gently insert the new lamp as shown below.
8. Once the lamp is fully inserted, tighten its screws.
9. Position the lamp cover so the arrows on the lamp cover align 
with the arrows on the projector. Then slide in the cover until it 
clicks into place.
10. Now reset the lamp timer as described on page 58.caution
Do not touch the glass 
portion of the lamp assembly. 
Touching the glass could 
result in premature lamp 
failure.
1
2 
						

							58Maintaining and Transporting the Projector
Resetting the Lamp Timer
You must reset the lamp timer after replacing the lamp to clear the 
LAMP REPLACE warning message. Follow the directions below to 
reset the lamp timer:
1. Turn on the projector.
2. Press the 
Menu button on the remote control. You see the main 
menu.
3. Use the directional buttons to highlight 
About, then press the 
Enter button. You see the following:
4. Press 
Enter to select the Reset Lamp Timer option. You see the 
following:
5. Use the directional buttons to select 
YES and press Enter.
6. Press 
Esc to return to the main menu.
7. Press 
Esc again (or the Menu button) to exit the menu system.
Frequency Video Source
V ---.--Hz
V ---.--Hz
Reset Lamp Timer
H ---.--kHz Lamp1400H
SYNC Mode SYNC Polarity
------H ------
Resolution
Refresh Rate0.0 Hz
0.0 Hz
0x   0 Computer
Input SignalRGB
Execute
:
:
:
: :
:
V ------:
: :
: :
Reset Lamp Timer
Execute?
YESNONO
Reset Lamp Timer
Execute?
YESNONO 
						

							Maintaining and Transporting the Projector59
Transporting the Projector
The projector contains many glass and precision parts. If you need to 
transport it, please follow these packing guidelines to prevent damage 
to the projector: 
■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 projector.
■When transporting the projector as freight or checked luggage, 
first put it in the supplied carrying case, then pack it in a firm box, 
using cushioning around the case. 
■When you are hand-carrying the projector, be sure to use the 
supplied carrying case.
note
EPSON shall not be liable 
for any damages incurred 
during transportation. 
						

							60Maintaining and Transporting the Projector 
						

							Solving Problems61
1
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. This chapter explains the following:
■Using the projector’s on-screen help system
■What to do when the projector’s status lights flash
■Solving problems with the image or sound 
■Solving problems with the remote control
■Contacting technical support 
						

							62Solving 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 top of the projector. The 
following choices are available:
■Help for the image
■Help for the sound
■Language selection
Follow these steps to get help:
1. Press the 
? Help button on the projector. You see the help menu.
2. Press the left side of the 
Select (Keystone) button on the 
projector to highlight one of the options. Then press the 
Enter 
(
Source) button on the projector to select it.
3. Press the left side of the 
Select (Keystone) button on the 
projector to highlight the problem you want to solve. Then press 
the 
Enter (Source) button to view the solution(s). 
4. Highlight a solution (if this choice is available). Then press the 
Enter (Source) button to select the solution. 
Highlight 
Return and press the Enter (Source) button if you 
need to back up.
If the solution is to adjust one of the settings, press the left side of 
the 
Select (Keystone) button on the projector to adjust it.
5. To exit the Help system, press the 
? Help button.
If none of the suggestions solves your problem, see additional 
solutions to problems in the following sections. 
						

							Solving Problems63
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status and 
let you know when a problem occurs.
If the projector is not working correctly, first turn it off and unplug it. 
Then plug the power cord back in and turn on the projector. If this 
does not solve the problem, check the status lights on top of the 
projector and try the solutions recommended below.
Power light Warning light
Status lights
Power
lightWarning
light Status Description
— Flashing red Internal error There is an internal error in the projector. Turn 
the projector off and unplug it. Contact EPSON 
for help.
— Flashing red 
(quickly)Lamp failure The lamp is burned out or not installed 
correctly, or the lamp cover is open. Close the 
cover or replace or reseat the lamp, if 
necessary, as described on page 55.
— Red Overheating The projector has overheated and turned itself 
off. Let it cool for a few minutes, then turn it 
back on. Make sure there is plenty of space 
around and under the projector for ventilation. 
Also clean the air filter (see page 53). If it 
continues to overheat, you may need to 
replace the air filter. 
						

							64Solving Problems
— Flashing orange 
(quickly)High 
temperature 
warningThe projector is too hot. Make sure the 
temperature surrounding the projector does 
not exceed 95
 °F and there is plenty of space 
around and under the projector for ventilation. 
Clean the air filter, if necessary. See page 53 
for instructions.
Orange Off Sleep  mode The projector is in sleep mode. You can unplug 
it or press the 
P Power button to turn it on.
Flashing green Off Warming up The projector is warming up. Wait for the 
image to appear.
Green Off Operating  The projector is operating normally.
Flashing orange Off Cooling down The projector is cooling down. Wait for the 
light to stay lit orange without flashing before 
unplugging it.
Status lights
Power
lightWarning
light Status Description