BenQ MX723 User Manual page 71

7. Tighten the screws that secure the
lamp.
• Loose screw may cause a bad
connection, which could result in
malfunction.
• Do not over tighten the screws.
8. Ensure the handle is fully laid flat and
locked in place.
9. Replace the lamp cover by sliding it
into place.
10. Tighten the screw that secures the
lamp cover.
• Loose screw may cause a bad
connection, which could result in
malfunction.
• Do not over tighten the screw.
11. Restart the projector.
Do not turn the power on with the lamp cover removed.
Resetting the lamp timer
12. After the startup logo, open the On-Screen
Display (OSD) menu. Go to the SYSTEM
SETUP: Advanced > Lamp Settings menu.
Press Mode/Enter. The Lamp Settings page
displays. Press
and press Mode/Enter. A warning message
displays asking if you want to reset the lamp timer. Select Yes and press Mode/
Enter. The lamp time will be reset to '0'.
Do not reset if the lamp is not new or replaced as this could cause damage.
to select Reset lamp timer
(b)
(a)
Maintenance 71