InFocus 620 - Manual (Page 5)

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Lamp compartment
To avoid burns or an explosion hazard, do not open the lamp
module door until the projector is turned off and the lamp has
cooled. The hot lamp contains high pressure and can explode if
damaged or old. Follow the instructions in this manual for lamp
replacement carefully.
Hot surfaces
Allow the projector to cool at least 45 minutes before replacing a
lamp. When you open the lamp housing, be very careful not to
touch the hot surfaces inside.
Ventilation and overheating
Openings in the projector case provide ventilation to protect it
from overheating. Keep loose papers and other objects well away
from the bottom, top and side grills. Do not place the projector on
top of or close to a computer or other heat-producing equipment.
Liquid spills
Do not set drinks on top of the projector. Spilled liquids can flow
inside and cause damage.
NOTE: If you open the projector,
you will void the warranty.
Do not disassemble
All service must be performed by an In Focus Authorized Service
Provider. The only user-serviceable part in the projector is the
projection lamp, which you can replace by opening the lamp
cover in the front of the projector as described on page 41. Do not
open any other part of the projector. If your LitePro needs repair,
call In Focus Customer Service as described on page 4. Before
you call Customer Service, you may want to refer to “Trouble-
shooting” starting on page 45 to see if you can resolve the prob-
lem yourself.