Lexmark 840 Series instruction

3From the Maintenance tab, click Clean to fix horizontal streaks.

4Click Print.

A page prints, forcing ink through the print cartridge nozzles to clean them.

5Print the document again to verify that the print quality has improved.

6If print quality has not improved, try cleaning the nozzles up to two more times.

Wiping the print cartridge nozzles and contacts

1Remove the print cartridge.

2Dampen a clean, lint-free cloth with water.

3Gently hold the cloth against the print cartridge nozzles for about three seconds, and then wipe in the direction shown.

4Using another clean section of the cloth, gently hold the cloth against the contacts for about three seconds, and then wipe in the direction shown.

5With another clean section of the cloth, repeat step 3 and step 4.

6Let the nozzles and contacts dry completely.

7Reinsert the cartridge.

8Print the document again.

9If the print quality does not improve, clean the print nozzles. For more information, see “Cleaning the print cartridge nozzles” on page 25.

Maintaining the printer

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Lexmark 840 Series manual Wiping the print cartridge nozzles and contacts

Contents

Lexmark 840 Series Users Guide Safety information Contents Maintaining the printer Index Page Description Where to findFinding information about the printer Description Where to find Help Limited Warranty Description Where to find US Where to find rest of world Setting up the printer Checking the box contents Use Learning about the printerUnderstanding the parts of the printer Use Learning about the software Using the printer softwareUsing the Solution Center Use this Using the I Want To menu Using Print PropertiesUsing the Save Settings menu Using the Options menu Tab Options Using Fast PicsUsing the Print Properties tabs Method Loading various paper types Loading paper and various paper typesLoading paper Load up to Make sure Load up to Make sure Load up to Printing cards PrintingPrinting a document 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 Improving print quality Cleaning the print cartridge nozzlesAchieving better print quality Aligning the print cartridges Wiping the print cartridge nozzles and contacts Part number Average cartridge standard page yield is up to Preserving the print cartridgesOrdering supplies Paper Recycling Lexmark products Power light is not lit TroubleshootingSetup troubleshooting Software does not install Does not print Solution Print troubleshooting Poor text and graphic quality Poor quality at the edges Print speed is slow Paper jam in the printer Jams and misfeeds troubleshootingPrinter does not print or respond Paper jam in the paper support Printer does not feed paper, envelopes, or specialty media Banner paper jams Power light blinks slowly Blinking power light troubleshootingError messages troubleshooting Power light blinks rapidly Removing and reinstalling the software Black and Color cartridge replacement required Conventions European Community EC directives conformity Power consumption Product power consumption End-user license agreement Index Index Finding