Eiki Projector EK-800U User Manual

— 56 — 
DLP Projector — Owner’s Manual
Replacing the projection lens
Perform the following to replace the projection lens:
1. Center the lens. Use the lens h or lens V button (on the remote control) to adjust the lens at its center position.
Important: 
•	 Ensure that the lens is at or near its center position.
•	 Attempting to remove the lens when at a large offset may cause damage to\
 the lens assembly.
2. Turn the projector off. Allow the projector to cool down into standby mode.
3. Press and hold...

— 57 — 
DLP Projector — Owner’s Manual
Replacing the Filter (Filter is optional.)
The interval of the filter replacement is affected by the dustiness. Check the filters periodically for better 
performance.
Note: 
Dirty	filter	may	reduce	the	air	flowing	into	the	projector	and	the	temperature	in	the	projector	may	rise	
as the result. This may activate the protection mechanism or damage the \
components.
Important: 
Check,	clean,	and	replace	the	filter	periodically.
Perform the following to replace the...

— 58 — 
DLP Projector — Owner’s Manual
Replacing the Color Wheel
When the projected image appears black and white, this indicates your co\
lor wheel is broken or 
malfunctioning.
Perform the following to replace the color wheel:
1. Turn the projector off. Then flip the projector onto its back.
2. Loosen the screw on the color wheel cover.
3. Remove the color wheel cover.
4. Loosen the four screws on the color wheel.  

— 59 — 
DLP Projector — Owner’s Manual
5. Remove the color wheel.
6. Install the new color wheel by reversing the previous steps.  

— 60 — 
DLP Projector — Owner’s Manual
Cleaning the projector
Cleaning the projector to remove dust and grime will help ensure trouble\
-free operation.
Warning: 
•	Be sure to turn off and unplug the projector at least 30 minutes before \
cleaning. Failure to do so 
could result in a severe burn.
•	 Use only a dampened cloth when cleaning. Do not allow water to enter the\
 ventilation openings on 
the projector.
•	 If a little water gets into the projector interior while cleaning, leave\
 unplugged in a...

— 61 — 
DLP Projector — Owner’s Manual
Using the Kensington® lock
If you are concerned about security, attach the projector to a permanent object with the Kensington slot 
and a security cable.
Note: 
Contact your vendor for details on purchasing a suitable Kensington secu\
rity cable.
The security lock corresponds to Kensington’s MicroSaver Security System. If you have any comment, 
contact: Kensington, 2853 Campus Drive, San Mateo, CA 94403, U.S.A. Tel: 800-535-4242,  
http://www.Kensington.com .  

— 62 — 
DLP Projector — Owner’s Manual
trOubleShOOtinG 
Common problems and Solutions
These guidelines provide tips to deal with problems you may encounter wh\
ile using the projector. If
the problem remains unsolved, contact your dealer for assistance.
Often after time spent troubleshooting, the problem is traced to somethi\
ng as simple as a loose
connection. Check the following before proceeding to the problem-specific solutions. 
¾ Use some other electrical device to confirm that the electrical...

— 63 — 
DLP Projector — Owner’s Manual
lED Error Messages
The LED status indicators are located on the rear of the projector. Each LED is defined below.
•	 lamp 1 lED
LeD statusprojector stategreenreD
Flashing FlashingColor wheel unexpectedly stopped.
Steady Light Steady LightLamp1 time has expired and lamp should be replaced.
Steady Light OffLamp1 is on and operating correctly.
Flashing OffLamp1 is switching on.
Off FlashingFailed to strike lamp1 after 5 attempts (strike attempts will stop).
Off...

— 64 — 
DLP Projector — Owner’s Manual
Image problems
Problem: No image appears on the screen
1. Verify the settings on your notebook or desktop PC.
2. Turn off all equipment and power on again in the correct order.
Problem: The image is blurred
1. Press the Focus button to adjust the focus on the projector.
2. Press the Auto button to automatically optimize image.
3. Ensure the projector-to-screen distance is within the specified range.
4. Check that the projector lens is clean.
Problem: The image is...

— 65 — 
DLP Projector — Owner’s Manual
5. Replace the lamp module.
6. Put the old lamp back in the projector and have the projector serviced.
Problem: The lamp goes off
1. Power surges can cause the lamp to turn off. Re-plug power cord. When the Lamp 1/Lamp2 LED is flashing red, press “
” on the built-in keypad or press “” on the remote control to turn off the 
projector. 
2. Replace the lamp module.
3. Put the old lamp back in the projector and have the projector serviced.
Remote Control problems...