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Lexmark 840 Series manual Troubleshooting, Setup troubleshooting, Power light is not lit

Models: 840 Series

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Troubleshooting

Setup troubleshooting

Power light is not lit

Make sure you have disconnected the power supply cord from the wall outlet and then from the printer.

1Plug the cord all the way into the power supply on the printer.

2Plug the cord into an electrical outlet that other electrical devices have been using.

3If the light is not on, press .

Software does not install

The following operating systems are supported:

•Windows 98/Me

•Windows 2000

•Windows XP

Solution 1

Check that your computer meets the minimum system requirements listed on the box.

Solution 2

1Check the USB cable for any obvious damage.

2Firmly plug the rectangular end of the USB cable into the USB port of the computer.

The USB port is marked with the USB symbol.

3Firmly plug the square end of the USB cable into the back of the printer.

Solution 3

1Turn off and then restart your computer.

2Click Cancel on all New Hardware Found screens.

3Insert the CD, and then follow the instructions on the computer screen to reinstall the software.

Troubleshooting

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Lexmark 840 Series manual Troubleshooting, Setup troubleshooting, Power light is not lit, Software does not install

Contents

Users Guide Lexmark 840 Series Safety information Contents Maintaining the printer Index Page Description Where to findFinding information about the printer Help Description Where to find Description Where to find US Where to find rest of world Limited Warranty Checking the box contents Setting up the printer Use Learning about the printerUnderstanding the parts of the printer Use Using the Solution Center Using the printer softwareLearning about the software Use this Using the Save Settings menu Using Print PropertiesUsing the I Want To menu Using the Options menu Using the Print Properties tabs Using Fast PicsTab Options Method Loading paper Loading paper and various paper typesLoading various paper types Load up to Make sure Load up to Make sure Load up to Printing a document PrintingPrinting cards Printing envelopes Printing multiple pages on one sheet Printing transparenciesPrinting collated copies Printing the last page first reverse page order Working with photos Using Fast Pics to print borderless photosUsing Print Properties to print borderless photos Removing a used print cartridge Maintaining the printerChanging the print cartridges Installing print cartridges Achieving better print quality Cleaning the print cartridge nozzlesImproving print quality Aligning the print cartridges Wiping the print cartridge nozzles and contacts Ordering supplies Preserving the print cartridgesPart number Average cartridge standard page yield is up to Paper Recycling Lexmark products Setup troubleshooting TroubleshootingPower light is not lit Software does not install Does not print Solution Poor text and graphic quality Print troubleshooting Poor quality at the edges Print speed is slow Printer does not print or respond Jams and misfeeds troubleshootingPaper jam in the printer Paper jam in the paper support Banner paper jams Printer does not feed paper, envelopes, or specialty media Error messages troubleshooting Blinking power light troubleshootingPower light blinks slowly Power light blinks rapidly Black and Color cartridge replacement required Removing and reinstalling the software Conventions European Community EC directives conformity Product power consumption Power consumption End-user license agreement Index Index Finding