Lexmark 840 Series Troubleshooting

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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Contents

Main Safety information Contents Page Page Page Finding information about the printer Page Page Setting up the printer Checking the box contents Learning about the printer Understanding the parts of the printer Page Learning about the software Using the printer software Using the Solution Center Using Print Properties Opening Print Properties Using the Save Settings menu Using the I Want To menu Using the Options menu Using Fast Pics Loading paper and various paper types Loading paper Loading various paper types Page Page Printing Printing a document Printing cards Printing envelopes Printing transparencies Printing collated copies Printing multiple pages on one sheet Printing the last page first (reverse page order) Working with photos Using Fast Pics to print borderless photos Using Print Properties to print borderless photos Maintaining the printer Changing the print cartridges Removing a used print cartridge Installing print cartridges Achieving better print quality Improving print quality Aligning the print cartridges Cleaning the print cartridge nozzles Wiping the print cartridge nozzles and contacts Preserving the print cartridges Ordering supplies Recycling Lexmark products Troubleshooting Setup troubleshooting Power light is not lit Software does not install Page does not print Page Print troubleshooting Improving print quality Poor text and graphic quality Poor quality at the edges of the page Print speed is slow Printer does not print or respond Jams and misfeeds troubleshooting Paper jam in the printer Paper jam in the paper support Paper or specialty media misfeeds Printer does not feed paper, envelopes, or specialty media Banner paper jams 5 6 7 8 Blinking power light troubleshooting Power light blinks slowly Power light blinks rapidly Error messages troubleshooting Cartridge Alert Removing and reinstalling the software Notices Edition notice UNITED STATES GOVERNMENT RIGHTS Trademarks Conventions Federal Communications Commission (FCC) compliance information statement Industry Canada compliance statement Avis de conformit aux normes de lindustrie du Canada European Community (EC) directives conformity Power consumption Product power consumption Power Saver Off mode Total energy usage End-user license agreement Index A B C D Q R S T U