Epson Projector 1705cuser Manual

Maintaining the Projector141
Cleaning the Air Filter and Vent
Clean the air filter and air intake vent after every 100 hours of use. If 
they are not cleaned periodically, they can become clogged with dust, 
preventing proper ventilation. This can cause overheating and damage 
the projector. 
Follow these steps:
1. Turn off the projector. Wait for the 
Power light to stop flashing, 
then unplug the power cord.
2. Turn the projector upside down.
3. To clean the intake vent and filter, use a small vacuum...

142Maintaining the Projector
Replacing the Lamp and Air Filter
The life span of the projection lamp is about 2000 hours if 
Brightness Control in the Setting menu is set to High (default), and 
3000 hours if 
Brightness Control is set to Low. 
It is time to replace the lamp when: 
■The projected image gets darker or starts to deteriorate.
■The message Replace the lamp appears on the screen when the 
lamp comes on and the lamp warning light   flashes orange. To 
maintain projector brightness and image...

Maintaining the Projector143
4. Loosen the lamp cover screw (you don’t need to remove it). Then 
slide the lamp cover to the side and lift it off of the projector. 
5. Loosen the two screws holding the lamp in place (you can’t 
remove them).
6. Hold the lamp as shown and pull it straight out.
 
7. Gently insert the new lamp. (If it doesn’t fit easily, make sure it is 
facing the right way.) 
Loosen, but don’t 
remove these screws
note
The lamp(s) in this 
product contain mercury. 
Please consult your...

144Maintaining the Projector8. Push down the corner marked 
PUSH until it snaps in. 
9. Once the lamp is fully inserted, tighten its screws. 
10. Replace the lamp cover, then tighten its screw. 
11. Turn the projector over. 
12. Slide the air filter out and remove it.
13. Slide in the new air filter until it clicks in place.
14. Reset the lamp timer as described in the next section.  

Maintaining the Projector145
Resetting the Lamp Timer
After you replace the lamp, you need to reset the lamp timer using the 
projector’s menus. 
1. Press the 
Menu button on the remote control or on the 
projector’s control panel. You see the main menu.
2. Use the  pointer button on the remote control (or the arrow 
buttons on the projector) to highlight 
Reset, then press Enter. 
You see this screen: 
3. Select 
Reset Lamp Hours and press Enter. 
4. When you see the prompt, select
 Yes and press...

146Maintaining the Projector
Transporting the Projector
The projector contains many glass and precision parts. Follow these 
guidelines to prevent damage:
■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 a long distance, first place it in a 
hard-shell shipping case, then pack it in a firm box with 
cushioning...

147
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. The following information is included:
■Using the projector’s on-screen help system
■What to do when the projector’s status lights flash
■Solving projector operation problems
■Solving problems with the image or sound
■Solving network problems
■Solving EasyMP problems
■Solving problems with the remote control
■Contacting technical support 

148Solving 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 blue 
? Help button on top of the projector or 
on the remote control. The following choices are available:
■Problems with image
■There is no sound
■Select a different language 
Follow these steps to get help:
1. Press the blue 
? Help button on the remote control or on the 
projector. 
You see the Help Menu.
2. Use the   pointer button on the remote control or the...

Solving Problems149
Checking Projector Status
If your projector isn’t working correctly, first turn it off, wait for it to 
cool (the 
Power light stops flashing orange), and unplug it. Then 
plug the power cord back in and turn on the projector. If this doesn’t 
solve the problem, check the lights on top of the projector.
What To Do When the Lights Flash
The lights on top of the projector indicate the projector’s status.
Refer to the following table for a complete description of the 
projector’s status...

150Solving Problems
Flashing red  There is a problem with the fan or temperature sensor. Stop using the 
projector, disconnect the power cable, and contact Epson as described 
on page 162.
Flashing orange Rapid cooling is in progress. Although this is not an abnormal condition, 
projection will stop automatically if the temperature rises higher. Make 
sure there is plenty of space around and under the projector for 
ventilation, and that the air filters and vents are clear.
Red The projector is...