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Certain Mitsubishi projectors have a built in bulb life timer, and are programmed to not allow a projector to power on unless the bulb is replaced and the bulb life timer is reset. Its a simple process:
1) Make sure your projector is plugged in. 2) Make sure the main power switch is on. 3) Hold the left arrow, right arrow, and power button on the control panel of the projector (not remote) for 3-5 seconds. 4) Release...
This will reset the bulb life timer to 0000 and allow for normal power up barring any other unforeseen issues.
1) Press the RESET button on projector for 3 seconds or remote control TIMER button for 3 seconds and display the total lamp used time. 2) Press the RESET button on projector or remote control MENU ON button during displaying the lamp used time. 3) Select the ?0? on the screen using the MENU ( ) button or DISK PAD.
This works on a couple different Toshiba models -- might work on yours...
Make sure the main power switch is OFF. Hold the "ON", "MENU", and "INPUT" buttons at the same time and turn the main power switch on. Keep them held until the yellow power standby light comes on, then let go. It is done.
With most projectors you have to press the power button twice to confirm that you want to turn it off. When you press it the first time it waits for a bit and then turns itself back on assuming you hit the power button on accident.
1) Check that the power cable is plugged in and that the power button on the projector cabinet or the remote control is on. See pages E-16 and 17 in the manual
2) Ensure that the lamp cover or lamp housing is installed correctly. See page E-30.
3) Check to see if the projector has overheated or the lamp has reached the end of its usable life. If there is insufficient ventilation around the projector or if the room where you?re presenting is particularly warm, move the projector to a cooler location
4) You have pressed control panel key when Control Key Lock is enabled