Epson Powerlite 83c Multimedia Projector Users Guide

Maintenance and Transportation71
To clean the air filter and air vent, follow these steps:
1. Turn off the projector, allow it to cool down, and unplug the 
power cord.
2. Turn the projector upside-down and clean the filter and air intake 
vent on the base of the projector.
To clean the filter and air vent, Epson recommends using a small 
vacuum cleaner designed for computers and other office 
equipment. If you don’t have one, gently clean them using a very 
soft brush (such as an artist’s brush).
If the...

72Maintenance and Transportation4. Align the new filter and slide it in until it click into place.
Replacing the Lamp
The projection lamp typically lasts for about 3000 hours of use 
(in high brightness mode) or 4000 hours (in low brightness mode). It 
is time to replace the lamp when: 
■The projected image gets darker or starts to deteriorate.
■The   lamp light is flashing orange. 
■The message Replace the Lamp appears on the screen when the 
lamp comes on. To maintain projector brightness and image...

Maintenance and Transportation73
3. Use the screwdriver included with the replacement lamp or a #2 
Phillips-head screwdriver to loosen the screw holding the lamp 
cover (the lamp cover is located on top of the projector).
4. Slide the cover out, then lift it off.
5. Use the screwdriver to loosen the two screws holding the lamp in 
place. (You can’t remove the screws.) 
6. Hold the lamp as shown and pull it straight out. 
note
 The lamp(s) in this 
product contain mercury. 
Please consult your state and...

74Maintenance and Transportation7. Gently insert the new lamp along the guide rail. If it doesn’t fit 
easily, make sure it’s facing the correct way. Push the lamp down 
firmly where the label 
PUSH appears.
8. Once the lamp is fully inserted, tighten its screws.
9. Lower the lamp cover into place. (The opening should be almost 
covered, and the top of the cover should be flush with the top of 
the projector.) Then slide the cover closed and tighten the screw.
10. Reset the lamp timer as described in the...

Maintenance and Transportation75
Resetting the Lamp Timer
You must reset the lamp timer after replacing the lamp to clear the 
Replace the Lamp warning message. Follow these steps:
1. Connect the power cable and turn on the projector.
2. Press the 
Menu button on the remote control or projector and 
select the 
Reset menu. Then press Enter.
3. Select 
Reset Lamp Hours and press Enter. You see a 
confirmation screen.
4. Select 
Yes and press Enter.
5. Press 
Esc to return to the main menu or the Menu...

76Maintenance and Transportation
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...

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6
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 password problems
■Solving problems with the remote control
■Solving problems monitoring the projector over a network
■Contacting technical support 

78Solving 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 the projector or remote 
control. 
1. Press the 
? Help button on the remote control or projector. You 
see the Help menu.
2. Use the up and down arrow buttons on the projector or remote 
control to highlight the problem you want to solve. Then press 
the 
Enter button to view the solution(s). 
3. Press 
Esc to view another topic or press ? Help to...

Solving Problems79
Power
lightLamp
lightTemperature 
light Description
Green Off Off The projector is operating normally.
Flashing 
greenOff Off The projector is warming up. Wait for the image to appear.
Orange Off Off The projector is in standby or sleep mode. You can unplug 
it or press the 
P Power button to turn it on.
Flashing 
orangeOff Off The projector is shutting down. Wait for the light to stop 
flashing and remain orange before unplugging it.
Red Off Flashing 
orange The projector is too hot....

80Solving Problems
Solving Problems with the Image or 
Sound
No image appears on the screen.
■Check that the PPower light is green, not flashing, and the 
A/V Mute slide is open. Also press the A/V Mute button on the 
remote control to see if the picture was turned off temporarily.
■If the projector doesn’t turn on, the Operation Lock may be 
enabled. Press and hold the 
Enter button on the projector for 
7 seconds to release the lock.
■The projector may be in standby or sleep mode. If the projector 
has...