Mitsubishi LVP-XD10U Operating Manual page 18

Figure 18 Lamp replacement: Step 1, Step 2, Step 3
14 English
4. Replace the lamp with a new one and fix it using the same
screw.
Firmly tighten the lamp screw. Loose screws could result
in a poor connection, which could cause the unit to
malfunction.
5. Install the lamp cover and fix it using a screw.
To prevent burns, install the lamp cover and secure it
using the screw.
Do not turn on the power with the lamp cover removed.
Whenever the lamp is replaced, reset the total operation
time of the lamp. Do not reset if the lamp has not been
replaced.
Do not reset the timer without changing the lamp, as
this can cause the lamp to break.
Press the lamp cover back with a few strength to
make sure the cover fits to the projector without leaks.