Epson PowerLite 1781W User Manual page 144

7. Gently insert the new lamp into the projector. If it does not fit easily, make sure it is facing the right
way. Press down on the area shown to secure the lamp in place.
Caution: Do not touch any glass on the lamp assembly to avoid premature lamp failure.
8. Press the metal bar down over the lamp until it clicks into place on both sides.
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