APPENDIX

AIR FILTER CARE AND CLEANING

Air Filter prevents dust from accumulating on surface of Projection Lens and Projection Mirror. Should Air Filter become clogged with dust particles, it will reduce Cooling Fans' effectiveness and may result in internal heat build up and adversely affect life of a projector.

Clean Air Filter following steps below:

1

2

Turn power off, and disconnect AC power cord from AC outlet.

Pull out air filter from a projector.

3

Pulling up center frame of air filter top, separate air filter top and

 

sheet from air filter base.

4

Clean each parts with brush or wash out dust and particles. Be

sure to dry them out.

5

AIR FILTER

Assemble sheet and air filter and replace air filter to a projector.

 

AIR FILTER

 

TOP

CAUTION

Do not operate a projector with Air Filter removed. Dust may accumulate on LCD Panel and Mirror degrading picture quality.

Do not put small parts into Air Intake Vents. It may result in malfunction of a projector.

AIR FILTER

SHEET

BASE

 

RECOMMENDATION

We recommend avoiding dusty/smoky environments when operating a projector. Usage in these environments may cause poor image quality.

When using under dusty or smoky conditions, dust may accumulate on liquid crystal panel, lens, or optical elements inside it. This condition may degrade quality of projected image.

When above symptoms are noticed, contact your authorized dealer or service station for proper cleaning.

CLEANING PROJECTION LENS

Follow these steps to clean projection lens:

1

Apply a non-abrasive camera lens cleaner to a soft, dry cleaning cloth. Avoid using an excessive amount of cleaner.

Abrasive cleaners, solvents or other harsh chemicals might scratch lens.

2

3

Lightly wipe cleaning cloth over lens.

When a projector is not in use, replace lens cap.

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IBM LC-UXT3 manual Appendix AIR Filter Care and Cleaning, Cleaning Projection Lens