How to clean the printhead lens | Lexmark 240n manual

Print quality problems

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.

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Lexmark 240n manual How to clean the printhead lens

Contents

E240, E240n Edition notice TrademarksLicensing notice Safety information Conventions Safety informationUnited Kingdom Telecommunications Act Laser notice Printer energy consumption Printer energy consumption Statement of Limited Warranty Statement of Limited Warranty Limitation of liability Contents Print media tasks and tips Contents How to install options 108 Printer overview Press and release Continue Printer overview Before installing printer software Installing software for local printingInstalling printer software using the drivers CD Installing printer software through the Add Printer Wizard Local Printer Settings Utility Installing optional printer softwareMacintosh Macintosh UNIX/Linux UNIX/Linux`Creating a desktop printer icon Mac OS For Mac OS 9.0 Open Apple LaserWriter Installing software for direct printing Installing software for network printingDirect IP printing Shared printing Installing software on the computer attached to the printer Setting up shared printingConnecting other network computers to the printer Windows Helpful tips for network printing Go to Verifying the IP settings onAssigning a printer IP address Close Network Neighborhood or My Network Places Verifying the IP settings Macintosh Printing a network setupInstall a custom PPD file Mac OS Using IP Printing NetWare NetWare What types of print media can be loaded? Print 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 Transparencies Labels Card stock Tips on storing print media and suppliesStoring paper Storing supplies Tips on preventing jams Tips on preventing jams How to load the 250-sheet and 550-sheet trays How to load the 250-sheet and 550-sheet trays How to load the 250-sheet and 550-sheet trays Extending the tray for legal or folio size paper Page How to load the manual feeder How to use the rear exitHow to load the manual feeder How to use the rear exit How to clear paper jams How to clear paper jams How to clear paper jams How to clear paper jams Printing tasks How to manually feed a print job How to manually feed a print job How to print on both sides of the paper manual duplex How to print on both sides of the paper manual duplex How to print on both sides of the paper manual duplex How to print multiple page images on one page N-up printing How to print multiple page images on one page N-up printing How to print a booklet How to print a booklet How to print a poster How to print a poster How to print using an overlay or a watermark How to print on letterheadUsing an overlay How to print on letterhead Using a watermark How to print using an overlay or a watermarkClick Watermark Canceling a job from a Macintosh computer How to cancel a print jobFrom the printer operator panel From a Windows computer How to access the system board How to install options How to access the system board How to add a memory card How to add a memory cardSee Recognizing installed options How to install a 550-sheet drawer Recognizing installed optionsHow to install a 550-sheet drawer Click File Æ Properties Click the Install Options tab Recognizing installed options Using the operator panel Press and hold CancelOverview of the operator panel Understanding the operator panel lights Understanding the operator panel lights= On = Blinking Close door Load media See Secondary errors on page 55 for more information Secondary errors Paper jam codes Operator panel codes Operator panel codes Ready / Power Saver Printer Setup Utility onPrimary codes Press and hold Cancel To reset the printer Press and release CancelOperator panel codes Busy Hex Trace Ready Operator panel codes Waiting Flushing / Resolution reduced Close door Operator panel codes Not ready Load manual feeder Operator panel codes Load media Toner low Operator panel codes Print side two of a duplex job Replace photoconductor Operator panel codes Photoconductor kit life warning Continue-On Toner Low/Replace PC Kit-Blink Error-Blink Cartridge region mismatch Operator panel codes Change invalid toner cartridge Cancel job / Reset printer Operator panel codes Service error Printer errorPress Continue Operator panel codes Paper jam printer error Secondary error codes on page 70 for more informationCleared from the paper path Errors on Secondary error codes Paper jam in the manual feeder Operator panel codes Paper jam at the input sensor Paper jams as a printed job exits the printer Operator panel codes Paper jam in Tray Press Cancel To cancel the print job Operator panel codes ComplexInsufficient printer memory Operator panel codes Insufficient collation area Network interface errors Operator panel codes Font error Host interface disabled Short paper Operator panel codes Memory full Invalid network code Operator panel codes Invalid engine code Printing the Printer Settings Configuration sheet Understanding the printer configuration menus Configuration menus overview Configuration menus overviewToner Low/Replace PC Kit Load Paper Continue Parallel menu Network menu Setup menu Parallel ModeUSB menu Utilities menu How to print a test How to print the menu settings and network setup pagesSoftware and network tasks Windows Verifying the IP settings How to configure for TCP/IPHow to configure for TCP/IP Assigning a printer IP address Using the printer resident Web Using the Local Printer Setup UtilityUsing the printer resident Web What supplies do I need and how do I order them? Supplies information How to conserve supplies How to conserve supplies How to know when you need new supplies How to know when you need new suppliesChecking the toner and photoconductor levels Recognizing the operator panel light sequences How to change a toner cartridge How to change a toner cartridge How to change a toner cartridge How to change a toner cartridge Recycling Lexmark products Recycling Lexmark products How to change a photoconductor kit How to change a photoconductor kit How to change a photoconductor kit How to change a photoconductor kit Troubleshooting General problemsClick Printer Software Have another cartridge to General problems Print quality problems Print quality problems Print irregularities When you handle the sheetsPrint too light Print too dark Uneven printing Ghost ImagesIncorrect margins Skewed print Solid black pages Paper curls badly once it printsExits to the bin How to clean the printhead lens 106 107 Numerics Index Index TCP/IP