Epson POWERLITE 8350 - Manual (Page 55)

Maintenance
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8. Gently insert the new lamp and tighten its screws.
Caution: Don’t touch the glass portion of the lamp assembly. Touching the glass could result
in premature lamp failure.
9. Replace the lamp cover. (The projector won’t work if the lamp cover is open or loose.)
10. Reset the lamp usage timer, as described on page 56.