Toshiba TDP-T420 owner manual Lens and main unit cleaning, Trouble indications,  Lens cleaning

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.

Others

Trouble indications

The indicator illuminates and a beep sound inform you of internal abnormalities.

	No power
(Off)	⇒ Problem with projector
	• 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 difficult to turn on, the
(Red lit)	lifetime of the lamp has ended or the projector is malfunctioning.
(Red flashing)	• 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.
(Red lit)	• Place the projector so that the air intake and exhaust are not
(Red	blocked.
flashing)

•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.
flashing)
	Power went out during use, or power won’t come on
(Red lit)	⇒ The lamp cover is not properly attached.
	• Unplug the power cord, and reattach the lamp cover. p.45
(Orange
flashing)
	Power went out during use
(Red lit)	⇒ Problem inside the projector.
	• 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.
flashing)

Note

• After there is an abnormal indication, the abnormal status remains until the main power	Others
switch is turned off.

48 49