83
Maintenance
82
WARNING
• Request cleaning and maintenance of a ceiling-mounted unit from your projector dealership.
Attempting to clean/replace the lamp at a high site by yourself may cause you to fall
down, thus resulting in injury.
■
Lens cleaning
• Clean the lens with a commercially available blower and/or
lens cleaner.
• The lens is easily scratched, so do not rub it with hard objects,
or strike it.
■
Main unit cleaning
• Clean the main unit after unplugging the power cord.
• Wipe dirt off the main unit gently with a soft cloth.
• Do not wipe the main unit with a damp cloth. Doing
so may allow water to get inside, resulting in an
electric shock or failure.
• Do not use benzene, thinner and the like as they may
deform or discolor the unit or damage the paint
surface.
• When using a chemically treated cloth, follow the
precautions included with the cloth.
Lens and main unit cleaning
7
Replace the inner lamp cover.
Tighten the screw loosened in step
4
until the
inner lamp cover is no longer loose.
8
Replace the outer lamp cover.
Align the cover, and press it in, then tighten the
screws loosened in step
3
until the outer lamp
cover is no longer loose. (Be sure to replace the
outer lamp cover.)
9
Reset the lamp timer.
See the lamp’s manual for instructions on resetting
the lamp timer.
Notes and Precautions
• The
Lamp time
item in the
Status display
menu indicates the time of lamp use (as a
• It is recommended that the lamp be replaced after 2,000 hours of use. When [
Lamp time
]
reaches 2,000 hours, the
icon and a message will appear with a beep sound. (After
2,000 hours, they will appear when the power is on at the first time every 100 hours.) This
display disappears when you press the
button.
• Attach the outer lamp cover correctly so that it is not loose. If it is not attached correctly,
the projector may fail to be powered on or the lamp may fail to come on.
• Always replace the lamp with a new one.
• The lamp is made out of glass. Do not touch the glass surface with your bare hands,
bang it, or scratch it. (Dirt, jolts, scratches and the like could break the lamp.)
Used Lamps
This projector’s lamps contain trace amounts of environmentally harmful inorganic
mercury. Be careful not to break used lamps, and dispose of them in accordance with
local regulations.
Lamp replacement (Continued)
