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Lexmark 340, 342n manual How to clean the printhead lens, Troubleshooting, Print quality problems

Models: 342n 340

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Troubleshooting

How to clean the printhead lens

You can solve some print quality problems by cleaning the printhead lens.

1Turn the printer off.

2Open the front cover by pressing the button on the left side of the printer and lowering the cover.

Print quality problems

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Lexmark 340, 342n manual How to clean the printhead lens, Troubleshooting, Print quality problems

Contents

User’s Reference June E340, E342n2005 Lexmark International, Inc. All rights reserved 740 West New Circle Road Lexington, KentuckyEdition notice NoticesLicensing notice TrademarksThe United Kingdom Telecommunications Act Safety informationConventions Laser noticePower consumption Printer energy consumptionNotices Industry Canada compliance statementPower Saver Statement of Limited WarrantyLimited warranty Limited warranty serviceREMARKETERS MAKE ANY OTHER WARRANTY OR Statement of Limited WarrantyARE LIMITED IN DURATION TO THE WARRANTY PERIOD. NO THIS PERIOD. ALL INFORMATION, SPECIFICATIONS, PRICESChapter 2 Installing software for local printing ContentsChapter 3 Installing software for network printing Chapter 1 Printer overviewChapter 4 Print media tasks and tips ContentsChapter 5 Printing tasks Chapter 9 Understanding the printer configuration menus Chapter 6 How to install optionsChapter 7 Understanding the operator panel Chapter 8 Understanding the printer messagesChapter 13 Troubleshooting Chapter 12 AdministrationChapter 11 Supplies information IndexPrinter overview Printer overviewPrinter overview Printer overviewLCD Light Before installing printer software Installing software for local printingInstalling printer software using the drivers CD Installing printer software through the Add Printer WizardCreating a queue in Print Center / Printer Setup Utility Mac OS Installing optional printer softwareInstalling software for local printing Local Printer Settings Utility`Creating a desktop printer icon Mac OS UNIX/LinuxInstalling software for local printing UNIX/LinuxInstalling software for direct printing Installing software for network printingInstalling software for network printing Printing configurationInstalling software for network printing Setting up shared printingInstalling software on the computer attached to the printer Connecting other network computers to the printerAssigning a printer IP address Helpful tips for network printingInstalling optional printer software Installing software for network printingPrinting setup pages Verifying the IP settings Printing a network setup pageInstalling software for network printing MacintoshStep 2 Create a print queue in Print Center or Printer Setup Utility Step 1 Install a custom PPD fileMac OS Installing software for network printingInstalling software for network printing Step 2 Create a desktop printerStep 1 Install a custom PPD file Mac OSInstalling software for network printing NetWareLexmark provides a printer driver package for each supported UNIX and Linux platform. The User’s Guide in each package gives detailed instructions for installing and using Lexmark printers in UNIX and Linux environments UNIX/LinuxWhat types of print media can be loaded? Print media tasks and tipsWeight Print media tasks and tipsPrint media tasks and tips Where can print media be loaded in the printer?Where can print media be loaded in the printer? Paper Tips on choosing the right print mediaPreprinted forms and letterhead TransparenciesPrint media tasks and tips LabelsTips on choosing the right print media Card stock Tips on storing print media and suppliesStoring paper Storing suppliesPrint media tasks and tips Tips on preventing jamsTips on preventing jams How to load the 250-sheet and 550-sheet trays How to load the 250-sheet and 550-sheet traysPrint media tasks and tips Print media tasks and tips How to load the 250-sheet and 550-sheet trays3 Load the paper in the tray with the print side facing down Print media tasks and tips How to load the 250-sheet and 550-sheet trays5 Insert the tray 6 Extend the paper support on the output bin Attaching the dust cover Extending the tray for legal or folio size paperHow to load the 250-sheet and 550-sheet trays Print media tasks and tipsHow to use the rear exit How to load the manual feederHow to load the manual feeder Print media tasks and tipsPrint media tasks and tips How to use the rear exitHow to clear paper jams How to clear paper jamsPrint media tasks and tips 2 Open the front cover, and remove the print cartridge assembly How to clear paper jams3 Remove any jams in the area behind the print cartridge assembly Print media tasks and tipsPrint media tasks and tips How to clear paper jamsPrinting tasks How to manually feed a print jobPrinting tasks How to manually feed a print job Printing tasksHow to print on both sides of the paper manual duplex How to print on both sides of the paper manual duplexPrinting tasks PortraitPrinting tasks How to print on both sides of the paper manual duplex8 Click OK 9 Click OK on the Print window How to print multiple page images on one page N-up printing How to print multiple page images on one page N-up printingPrinting tasks AcrossHow to print a booklet How to print a bookletPrinting tasks How to print a poster How to print a posterPrinting tasks How to print using an overlay or a watermark How to print on letterheadUsing an overlay How to print on letterheadHow to print using an overlay or a watermark Using a watermarkPrinting tasks Canceling a job from a Macintosh computer How to cancel a print jobCanceling a print job from a computer running Mac OS Canceling a job from a computer running Mac OSHow to access the system board How to install optionsHow to install options How to access the system board How to install optionsHow to install options How to add a memory cardHow to add a memory card How to install options How to add a flash cardHow to add a flash card How to install options How to install a 550-sheet drawerHow to install a 550-sheet drawer How to install options Recognizing installed optionsRecognizing installed options Indicator light Using the operator panelUnderstanding the operator panel Understanding the operator panelUnderstanding the operator panel ButtonsUsing the operator panel If the light isMenus Disabled Using the operator panel to change printer settingsUsing the operator panel to change printer settings Understanding the operator panelUnderstanding the operator panel Menus DisabledUsing the printer menus Using the printer menusUnderstanding the operator panel Using the printer menus Paper MenuUnderstanding the operator panel Custom TypesUnderstanding the operator panel Using the printer menusPaper Source Paper TextureUnderstanding the operator panel Using the printer menusPaper Type Menu itemSetup Paper WeightUsing the printer menus Custom x Weight. The name isUsing the printer menus Finishing MenuUnderstanding the operator panel Blank PagesUnderstanding the operator panel Using the printer menusMultipage Print Multipage ViewJob Menu Utilities MenuDefaults Print Net SetupUsing the printer menus Reset PrinterUnderstanding the operator panel Print BufferPrint Resolution Quality MenuUsing the printer menus Understanding the operator panelJam Recovery Setup MenuUsing the printer menus Understanding the operator panelUsing the printer menus Power SaverUnderstanding the operator panel Page ProtectToner Alarm Print TimeoutWait Timeout Using the printer menusUsing the printer menus PCL Emul MenuUnderstanding the operator panel A4 WidthUsing the printer menus Symbol SetUnderstanding the operator panel PitchPPDS Menu PostScript MenuPrint PS Error Using the printer menusUnderstanding the operator panel Using the printer menusCharacter Set Lines per InchUsing the printer menus Parallel MenuUnderstanding the operator panel AdvancedSmartSwitch Network MenuSmartSwitch Using the printer menusSmartSwitch SmartSwitchStd Net Setup Using the printer menusSmartSwitch USB MenuSmartSwitch Using the printer menusUnderstanding the operator panel Using the printer menusUSB Buffer Menu itemUnderstanding the printer messages Understanding the printer messagesMessage What this message meansUnderstanding the printer messages Understanding the printer messagesMessage What this message meansUnderstanding the printer messages 38 Memory Full error. Res ReducedUnderstanding the printer messages MessageUnderstanding the printer messages Understanding the printer messagesMessage What this message meansUnderstanding the printer messages Understanding the printer messagesMessage What this message meansUnderstanding the printer messages See also Setup SheetUnderstanding the printer messages MessageNetwork menu Understanding the printer configuration menusUnderstanding the printer configuration menus SettingUnderstanding the printer configuration menus Setup menuParallel menu Understanding the printer configuration menusUtilities menu USB menuUnderstanding the printer configuration menus Understanding the printer configuration menus10 Software and network tasks Printing the menu settings and network setup pagesSoftware and network tasks Verifying the IP settings How to configure for TCP/IPPrinting the Print Quality Test Pages Assigning a printer IP addressUsing the printer resident Web page Using the printer resident Web pageSoftware and network tasks What supplies do I need and how do I order them? 11 Supplies informationSupplies information Part numberSupplies information How to conserve suppliesHow to conserve supplies Storing suppliesChecking the toner and photoconductor levels How to know when you need new suppliesHow to know when you need new supplies Supplies informationHow to change a toner cartridge How to change a toner cartridgeSupplies information Supplies information How to change a toner cartridgeSupplies information How to change a toner cartridge6 Close the front cover Supplies information Recycling Lexmark productsRecycling Lexmark products How to change a photoconductor kit How to change a photoconductor kitSupplies information Supplies information How to change a photoconductor kitSupplies information How to change a photoconductor kitDisabling the operator panel menus 12 AdministrationEnabling the menus AdministrationAdministration Restoring factory default settingsRestoring factory default settings General problems 13 TroubleshootingTroubleshooting Problem / QuestionGeneral problems TroubleshootingProblem / Question Solution / AnswerPrint quality problems Print quality problemsTroubleshooting A BCD EPrint quality problems SymptomPrint quality problems TroubleshootingSymptom SolutionTroubleshooting How to clean the printhead lensPrint quality problems Print quality problems TroubleshootingPrint quality problems TroubleshootingNumerics IndexIndex Index Index Index Index Factory Defaults Hex Trace Print Directory Print Fonts Print Menus NPA mode PCL SmartSwitch PS SmartSwitch Utilities MenuPrint Netx Setup Utilities menu Wait Timeout Setup Menu 70 wait timeout, configuring 70 watermarks