Maintenance & Troubleshooting, Cleaning the Lens | InFocus LP280

MAINTENANCE & TROUBLESHOOTING

This section describes how to:

•clean the lens

•clean the air intake dust filters

•replace the projection lamp

•replace the batteries in the remote

•use the security lock feature

•troubleshoot the projector

Cleaning the Lens

Follow these steps to clean the projection lens:

1Apply a non-abrasive camera lens cleaner to a soft, dry cloth.

•Avoid using an excessive amount of cleaner, and don’t apply the cleaner directly to the lens.

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

2Lightly wipe the cleaning cloth over the lens in a circular motion.

3If you don’t intend to use the projector immediately, replace the lens cap.

Cleaning the Dust Filters

The dust filters catch dust and other particles in the air. If the fil- ters become clogged, the projector does not cool properly and may malfunction.

1Turn off the projector and unplug the power cord.

2Turn the projector upside down and remove the screws on the filter doors.

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InFocus LP280, LP290 manual Maintenance & Troubleshooting, Cleaning the Lens, Cleaning the Dust Filters

Contents

LP280/290 Page FCC Warning Canada Safety CertificationsEN 55022 Warning Australian Certification C-tick mark Trademarks Declaration of Conformity Table of Contents Index Appendix Safety Definitions Safety Symbols Safety InstructionsSafety Terms Important Operating Considerations Customer Service Introduction Image ResolutionLP280 LP290 Unpacking the Projector CompatibilityDiately if anything is missing Shipping box contents Rear view of projector If You Need Assistance Usage Guidelines Warranty F t Setting UP the Projector T t i n g O j e c t o r Do you want to play your computer’s audio on the projector? Connecting a Computer T t i n g O j e c t o r Connecting a Video Player T t i n g O j e c t o r Powering up the Projector Turning Off the Projector Basic Image Adjustment Using the ProjectorAdjusting the Projector I n g O j e c t o r Using the Remote Control Power Using the Keypad and Remote ButtonsMenu Source/Select keypad only or Computer and Video remote only Arrow buttons VolumeKeystone Effect remote only Black remote onlyContrast remote only Brightness remote only Using the On-Screen Menus Contrast Basic MenuBrightness Color Reset SetupAbout Picture menu Setup menu System menu Effect menu Language menu Service menu Userlogo menu Cleaning the Lens Maintenance & TroubleshootingCleaning the Dust Filters I n t e n a n c e Troubleshooting Replacing the Projection Lamp Replacing the Batteries in the Remote Control Using the Security Lock Problem The projector is not running TroubleshootingLEDs Problem Color or text not being projected Problem Only the start-up screen displaysProblem The screen resolution is not right Problem Image isn’t centered on the screen Problem Image is out of focus Problem Image is too wide or narrow for screenProblem Image and menus are reversed left to right Problem Projected image is distortedPage I n t e n a n c e Troubleshooting Appendix Specifications Standard Accessories Ship with the projector Part Number Accessories HW-RF-REMLSR Optional Accessories Key command to Computer Activate port De-activate port Portable and Laptop Activation Chart FN-F6 FN-F4 FN-F1 NCR Wyse Software driven Zenith FN-F10 Using SimulScan Using Video Mirroring with a PowerBook Computer Projected Image Size Numerics Index D e Page D e InFocus-Branded Products Limited Warranty Warranty Limitation and Exclusion