Why is the lamp is not as bright (or dimmed) after using for a period of time?

03-06-2017

Light bulbs (lamps) are a consumable item and naturally dim as they age. Sometimes resetting the lamp and projector can help with brightness. Unplug the projector for 15 minutes, remove lamp cover and lamp for 3 minutes, and then reinstall and plug everything back in. Using the ECO modes will also help extend brightness and lamp life.

Applicable Models

DX819ST, GP10, GP20, JOYBEE GP2, LW61ST, LX60ST, MS504, MS521, MS616ST, MW767, MW820ST, MW821ST, MW851UST, MW870UST, MX805ST, MX819ST, MX822ST, MX850UST, SH940, SH960, SX914, W1500, W7000+, MW523, MW663, MW721, MW817ST, MX600, MX522, MX661, MX618ST, MX720, MX703, MX766, MX722, MX816ST, MX815ST, S30, SH910, SP840, SP920P, W1070, W1080ST, 3D GLASSES - DP2, 3D GLASSES - DC4, 3D GLASSES, 3D GLASSES - DP3, MS502, MH680, MW519, MX503, MX505, MX518, MX520, MX522P, MX620ST, MX662, PW01, W750, W770ST, W1300, W1400, WDRT8192, MS517, MS521P, MS619ST, 0.3 WALL MOUNT-WM03G2, 0.3 WALL MOUNT-WM03G3, 0.4 WALL MOUNT-WM04G2, 0.4 WALL MOUNT-WM04G3, 0.6 WALL MOUNT-WM06G2, 0.6 WALL MOUNT-WM06G3, GP3, MW621ST, W7500, SX912, SP870, CEILING MOUNT-CM00G1, EP5920, MP525P, MP575, MP615P, MP776, MP780ST+, MS510, MS513, MS612ST, MS614, MW516, MW712, MW811ST, MW814ST, MW860USTI, MX501, MX511, MX514, MX613ST, MX615, MX660, MX660P, MX701, MX710, MX711, MX717, MX763, MX764, MX810ST, MX812ST, MX813ST, WIRELESS DONGLE, SP870, SP890, SP891, W1060, W1100, W1200, W6000, W7000, W710ST, MX716

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Why is the lamp is not as bright (or dimmed) after using for a period of time?