Optoma Technology EP727 Appendices, Troubleshooting, Image Problems, See pages 54-55 for details

Models: EP721 EP723 EP727 EP728

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Appendices

Appendices

Troubleshooting

If you experience a problem with your projector, please refer to the following information. If a problem persists, please contact your local reseller or service center.

(See pages 54-55 for details)

Image Problems

Troubleshooting No image appears on-screen

Ensure all the cables and power connections are correctly and securely connected as described in the “Installation” section.

Ensure all the pins of connectors are not bent or broken.

Check if the projection lamp has been securely installed. Please refer to the “Replacing the lamp” section.

Make sure you have removed the lens cap and the projector is switched on.

(See pages 54-55 for details) Partial, scrolling or incorrectly displayed image

Press “Re-Sync” on the remote.

If you are using a PC:

For Windows 95, 98, 2000, XP:

1.Open the “My Computer” icon, the “Control Panel” folder, and then double click on the “Display” icon.

2.Select the “Settings” tab.

3.Verify that your display resolution setting is lower than or equal to UXGA (1600 x 1200).

4.Click on the “Advanced Properties” button.

If the projector is still not projecting the whole image, you will also need to change the monitor display you are using. Refer to the fol- lowing steps.

5.Verify the resolution setting is lower than or equal to UXGA (1600 x 1200).

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Optoma Technology EP727, EP728, EP723 Appendices, Troubleshooting, Image Problems, See pages 54-55 for details, English