Lens And Main Unit Cleaning - Toshiba TDP-T420 Owner's Manual

Lens and main unit cleaning

WARNING
• Request cleaning and maintenance of a ceiling-mounted unit from your
projector dealership. Attempting to clean or replace the lamp in a high location by
yourself may cause you to fall, 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
• Unplug the power cord before cleaning the main unit.
• 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 unit failure.
• Do not use benzene, thinner and the like as they
may deform or discolor the unit or damage the paint
surface.
• Do not use a chemically saturated cloth.
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Trouble indications
The indicator illuminates and a beep sound informs you of internal abnormalities.
No power
⇒
Problem with projector
(Off)
• Unplug the power cord, and contact your dealer.
Lamp went out during use, or won't come on
⇒ Lamp temperature is high so that it is diffi cult to turn on, the
(Red lit)
lifetime of the lamp has ended or the projector is malfunctioning.
(Red fl ashing)
• Unplug the power cord and wait for a short while, then turn the
Or
power back on.
• If a lamp burns out, replace it with a new one.
(Red lit)
(Red lit)
Power went out during use
⇒ Internal overheating, or the outside temperature is too high.
• Place the projector so that the air intake and exhaust are not
(Red lit)
(Red
blocked.
fl ashing)
• Unplug the power cord and wait for a short while, then turn the
power back on.
❈ The
icon will appear before the power goes out.
Power went out during use
⇒ Problem with internal cooling fan.
(Red lit)
• Unplug the power cord, and contact your dealer.
(Green
❈ The
icon will appear before the power goes out.
fl ashing)
Power went out during use, or power won't come on
⇒ The lamp cover is not properly attached.
(Red lit)
• Unplug the power cord, and reattach the lamp cover.
(Orange
fl ashing)
Power went out during use
⇒ Problem inside the projector.
(Red lit)
• Unplug the power cord and wait for a short while, then turn the
(Orange lit)
power back on.
Or
• If the above action will not clear the problem, unplug the power
cord, and contact your dealer.
(Orange ❈ The
icon will appear before the power goes out.
fl ashing)
Note
• After there is an abnormal indication, the abnormal status remains until the main power
switch is turned off.
Others
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