Replacing The Lamp - BenQ MH741 User Manual

Replacing the lamp

• If lamp replacement is performed while the projector is suspended upside-down from the
ceiling, make sure that no one is underneath the lamp socket to avoid any possible injury or
damage to the human eyes caused by fractured lamp.
• To reduce the risk of electrical shock, always turn the projector off and disconnect the power
cord before changing the lamp.
• To reduce the risk of severe burns, allow the projector to cool for at least 45 minutes before
replacing the lamp.
• To reduce the risk of injuries to fingers and damage to internal components, use caution
when removing lamp glass that has shattered into sharp pieces.
• To reduce the risk of injuries to fingers and/or compromising image quality by touching the
lens, do not touch the empty lamp compartment when the lamp is removed.
• This lamp contains mercury. Consult your local hazardous waste regulations to dispose of
this lamp in a proper manner.
• To assure optimal performance from the projector, it is recommended that you purchase a
BenQ projector lamp for lamp replacement.
• Ensure good ventilation when handling broken lamps. We recommend that you use
respirators, safety glasses, goggles or face shield and wear protective clothing such as gloves.
1. Turn the power off and disconnect the projector from the wall socket. If the lamp is
hot, avoid burns by waiting for approximately 45 minutes until the lamp has cooled.
2. Loosen the captive screws from the left
and rear side.
3. Remove the lamp compartment cover
as shown.
4. Disconnect the lamp connector from
the projector as illustrated.
60 Maintenance