Epson PowerLite 1781W 3200-Lumen WXGA 3LCD Projector - Manual (Page 143)

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6. Lift up the lamp handle and gently pull the lamp out of the projector.
Caution: Lift the lamp handle carefully to avoid damaging the handle as you pull out the lamp.
Note: The lamp(s) in this product contain mercury. Please consult your state and local
regulations regarding disposal or recycling. Do not put in the trash.