Epson 61p - Manual (Page 75)

Maintaining and Transporting the Projector 75
8. Once the lamp is fully inserted, tighten its screws.
9. Lower the lamp cover into place. (The opening should be almost
covered, and the top of the cover should be flush with the top of
the projector.) Then slide the cover closed and tighten the screws.
10. Reset the lamp timer as described in the next section.
note
Be sure to seat the lamp fully
and secure the lamp cover. If
the lamp is not properly
installed or the cover is loose,
the lamp will not turn on.