•Do not insert your hands into the projector after the lamp is removed. If you touch the optical components inside, it could cause color unevenness and distortion of the projected images.
6.Insert the new lamp. Ensure the handle is fully laid flat and locked in place. Reinsert and tighten the screw firmly.
• A Loose screw may cause a bad connection, which could result in malfunction.
•Do not over tighten the screw.
7.
8.Make connection to a signal source to be displayed. Start up the projector. (See "Connection" on page 22 and "Start up" on page 30 for turning the power on.)
•Do not turn the power on with the lamp cover removed. Whenever the lamp is replaced, reset the total lamp operation timer.
•Do not reset if the lamp is not replaced as this could cause damage.
9.Reset the lamp counter
i.Press and hold 
Exit on the projector for 3 seconds to display the total used lamp time.
ii.Press 
Menu on the projector or MENU on the remote control to access the lamp hour timer. An adjustment message will display.
iii.Press 
Left/ 
Right on the
projector or remote control to reset lamp hours and press 
Exit to leave.
Temperature information
When the Temperature warning light is on, it is warning you of the following possible problems.
1.The internal temperature is too high.
2.Dust filters are clogged.
3.The fans are not working.
Turn the projector off, check that the dust filters are clean. If the problem persists, contact qualified service personnel for further help.
For more information, refer to "Indicators" on page 53
52 Maintenance