Hitachi 8755H User Manual

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WARNING  ►The projector uses a high-pressure mercury glass lamp. The 

lamp can break with a loud bang, or burn out, if jolted or scratched, handled 

while hot, or worn over time. Note that each lamp has a different lifetime, and 

some may burst or burn out soon after you start using them. In addition, when 

the bulb bursts, it is possible for shards of glass to fly into the lamp housing, 

and for gas containing mercury to escape from the projector’s vent holes.
►

About disposal of a lamp: This product contains a mercury lamp; do not put 

it in a trash. Dispose of it in accordance with environmental laws. 

•  For lamp recycling, go to www.lamprecycle.org (in the US).

•  For product disposal, contact your local government agency  

or www.eiae.org (in the US) or www.epsc.ca (in Canada).

For more information, contact to your dealer.

• If the lamp should break (it will make a loud bang when it does), 

unplug the power cord from the outlet, and make sure to request a 

replacement lamp from your local dealer. Note that shards of glass 

could damage the projector’s internals, or cause injury during handling, 

so please do not try to clean the projector or replace the lamp yourself.

• If the lamp should break (it will make a loud bang when it does), 

ventilate the room well, and make sure not to breathe the gas that 

comes out of the projector vents, or get it in your eyes or mouth.

• Before replacing the lamp, turn the projector off and unplug the power 

cord, then wait at least 45 minutes for the lamp to cool sufficiently. 

Handling the lamp while hot can cause burns, as well as damaging the lamp.
• Never unscrew except the appointed (marked by an arrow) screws.

• Do not open the lamp cover while the projector is suspended from 

a ceiling. This is dangerous, since if the lamp’s bulb has broken, the 

shards will fall out when the cover is opened. In addition, working in 

high places is dangerous, so ask your local dealer to have the lamp 

replaced even if the bulb is not broken.

• Do not use the projector with the lamp cover removed. At the lamp 

replacing, make sure that the screws are screwed in firmly. Loose 

screws could result in damage or injury.
• Use only the lamp of the specified type.

• If the lamp breaks soon after the first time it is used, it is possible 

that there are electrical problems elsewhere besides the lamp. If this 

happens, contact to your local dealer or a service representative.

• Handle with care: jolting or scratching could cause the lamp bulb to burst during use.

• Using the lamp for long periods of time, could cause it dark, not to light 

up or to burst. When the pictures appear dark, or when the color tone 

is poor, please replace the lamp as soon as possible. Do not use old 

(used) lamps; this is a cause of breakage. 

Disconnect 

the plug 

from the 

power 

outlet