Optoma HD71 User Manual page 45

Lamp Replacement Procedure:
1. Switch off the power to the projector by pressing the "Power/Standby"
button.
2. Allow the projector to cool down for at least 30 minutes.
3. Disconnect the power cord.
4. Pull the cover carefully.
5. Open the top cover.
6. Use a screwdriver to unscrew the 2 screws from the lamp module. 
7. Pull up the lamp handle carefully. 
8. Pull out and remove the lamp module. 
To replace the lamp module, reverse the previous steps.
9. Turn on the projector and use "Lamp Reset" after the lamp module is
replaced.
Lamp Reset: (i) Press "Menu"  (ii) Select "Options"  (iii) Select
"Lamp settings"  (iv) Select "Lamp Reset  (v) Select "Yes".
Appendices
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4
5
2
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