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Lexmark 250dn manual Cleaning the printhead lens, Print quality problems

Models: 250dn

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Print quality problems

Cleaning the printhead lens

Some print quality problems can be solved by cleaning the printhead lens.

1Turn the printer off.

2Press the button on the left side of the printer to release and lower the front door.

3Remove the print cartridge assembly by pulling on the toner cartridge handle.

Note: Do not press the button on the print cartridge assembly.

Place the print cartridge assembly on a flat, clean surface.

Page 91

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Lexmark 250dn manual Cleaning the printhead lens, Print quality problems

Contents

2006 Lexmark International, Inc. All rights reserved E250d and E250dnUser’s Guide June2006 Lexmark International, Inc. All rights reserved Safety informationEdition June TrademarksChapter 1 Printer overview ContentsChapter 2 Using the control panel Chapter 3 Understanding the printer configuration menusChapter 7 Software tasks ContentsChapter 6 Installing options Chapter 9 Troubleshooting250-sheet tray 1 Printer overview150-sheet output bin Front doorRear exit Power buttonPower connect Printer overviewPress and release Cancel 2 Using the control panelError Cancel buttonUnderstanding the control panel lights Ready / Power SaverFlushing / Resolution Understanding the control panel lightsToner Low Common light sequences continuedError Understanding the control panel lightsPrinter error Network interface errorsHost interface disabled Service errorPrimary codes Ready / Power Saverfor a list of current printer settings to reset the printerbuffer to print the contents of the printUnderstanding the control panel lights Hex Trace Ready WaitingPress and hold Cancel Understanding the control panel lights Flushing / Resolution reducedNot ready Press and release CancelLight sequence Understanding the control panel lights Close doorInsufficient collation area / Insufficient memory Complex pageLight sequence Understanding the control panel lights Cancel job / Reset printerPress Cancel Load print mediaPress and hold Cancel Understanding the control panel lights Load manual feederToner low sequence and continue processing the print joband how do I order them? on page Note The Toner Alarm see Secondary errorToner cartridge region mismatch Photoconductor kit life warningLight sequence Replace photoconductor printer hard stopProgramming engine code / Programming system code Understanding the control panel lightsUnderstanding the control panel lights Network interface errors / Host interface disabledService error Invalid engine code / Invalid network codeto clear the secondary message Understanding the control panel lights Printer errorPaper jam printer error more informationWhat this light sequence means Understanding the control panel lights Short paperOutput bin full Light sequenceSecondary light sequences Secondary errorsWhen the Error and Continue When the Paper Jamunsupported size Font errorSecondary light sequences continued Paper jam duplexmismatch Invalid engine codeInvalid network code Toner cartridge regionWhat this light sequence means Understanding the control panel lights Secondary error codesPaper jam at the input sensor Light sequenceLight sequence Understanding the control panel lights Paper jam in the manual feederPaper jams between the input and exit sensors Paper jams as a printed job exits the printerUnderstanding the control panel lights Paper jam in the 250-sheet trayPaper jam in the 550-sheet drawer Paper jam duplex rearLight sequence Paper jam duplex - unknown locationPaper jam duplex - unsupported size Understanding the control panel lightsWhat you can do Understanding the control panel lights Complex pageLight sequence What this light sequence meansprinting the job. The job may not print correctly Network interface errorsto cancel the print job Understanding the control panel lights Insufficient collation areaPress and release Cancel Understanding the control panel lights Font errorInsufficient printer memory printingWhat this light sequence means Host interface disabledUnderstanding the control panel lights ENA connection lost Light sequencepage Understanding the control panel lights Memory fullShort paper printing the job the job may not print correctlyLight sequence Understanding the control panel lights Invalid engine codeInvalid network code Toner cartridge region mismatchUnderstanding the control panel lights Change toner cartridge/invalid refillMissing / Defective toner cartridge sequenceWhat you can do Understanding the control panel lights Unsupported toner cartridgeLight sequence What this light sequence meansPrinting the Printer Settings Configuration sheet 3 Understanding the printer configuration menusSetting Configuration menus overviewConfiguration menus overview and ErrorStandard Setup menuParallel menu ProtocolReset Reset FactoryDefaults Reset Maint CntSource Weight4 Print media tasks and tips What types of print media can be loaded?Where can print media be loaded in the printer? Where can print media be loaded in the printer?Selecting print media Power cord connectSelecting print media PaperCurl Paper characteristicsWeight Moisture contentRecycled paper Fiber contentPreprinted forms and letterhead Unacceptable paperSelecting print media TransparenciesEnvelopes LabelsStoring supplies Tips on storing print media and suppliesCard stock Storing paperTips on preventing jams Tips on preventing jamsLoading the 250-sheet tray Loading the 250-sheet tray4 Insert the paper stack with the print side facing down Loading the 250-sheet trayLoading the 250-sheet tray 5 Adjust the side paper guides to fit lightly against the paper stack6 Insert the 250-sheet paper tray Loading the 250-sheet tray Extending the tray for legal- or folio-size paperLoading the 250-sheet tray Attaching the dust cover Loading the manual feeder Loading the manual feederUsing the rear exit Using the rear exitand Continue Secondary error codes on page 25 for more informationClearing jams Clearing jamsClearing jams 5 Install the 250-sheet paper trayClearing jams 6 Open the front door, and remove the print cartridge assembly8 Open the rear exit door, and remove the jammed pages Clearing jamsManually feeding a print job 5 Printing tasksManually feeding a print job Landscape Printing on both sides of the paper duplex printingPrinting on both sides of the paper duplex printing PortraitLandscape 4 Select either Long Edge or Short Edge 5 Select 2-sided printingPrinting on both sides of the paper duplex printing PortraitDown Printing multiple page images on one page N-up printingPrinting multiple page images on one page N-up printing AcrossPage Printing on letterhead Printing using an overlay or a watermarkUsing an overlay Printing on letterhead1 Click Start Æ Settings Æ Printers Canceling a print jobUsing a watermark Canceling a print jobCanceling a print job Canceling a job from a Macintosh computerCanceling a print job from a computer running Mac OS Canceling a job from a computer running Mac OSAccessing the system board 6 Installing options3 Open the rear exit door Accessing the system board7 Remove the cover and set it aside Accessing the system boardAdding a memory card 1 Access the system board see Accessing the system board on page10 See Recognizing installed options on page Adding a memory card3 Click File Æ Properties 4 Click the Install Options tab Installing an optional 550-sheet drawerRecognizing installed options Installing an optional 550-sheet drawer3 Click File Æ Properties 4 Click Print Test Page Printing the menu settings and network setup pages7 Software tasks Printing a test page from the computerPaper Settings Using the Local Printer Settings UtilityUsing the Local Printer Settings Utility Finishing SettingsDescription 8 Supplies informationWhat supplies do I need and how do I order them? Part numberWhat supplies do I need and how do I order them? Conserving suppliesStoring supplies Checking the toner and photoconductor levels Knowing when you need new suppliesOrdering a maintenance kit Knowing when you need new supplieslife warning Recognizing the control panel light sequencesToner low Photoconductor kitChanging the toner cartridge Changing the toner cartridge4 Unpack the new toner cartridge Changing the toner cartridgeChanging the photoconductor kit Changing the photoconductor kitChanging the photoconductor kit Lexmark products Solution / Answer 9 TroubleshootingGeneral problems Problem / QuestionTurning on Reduced Curl mode General problemsSettings Utility on page Selecting printer operating modePrint quality problems Print quality problemsTransparency print quality is poor when sheets are handledA BCD E Print is too light or too darkSkewed print Ghost ImagesUneven printing Incorrect marginsPrint quality problems Solid black pagesPrint media curls badly once it prints and exits to the output binPrint quality problems Cleaning the printhead lens5 Gently wipe the printhead lens with a clean, dry, lint-free cloth Print quality problemsIndustry Canada compliance statement NoticesConventions Electronic emission noticesElectronic emission notices Hot surface notice Power regulation noticeNotices Japanese VCCI notice Korean MIC statementTotal energy usage Noise emission levelsProduct energy consumption Off modeLaser advisory label Statement of Limited Warranty for Lexmark E250d and E250dnWaste from Electrical and Electronic Equipment WEEE directive Laser noticeLimitation of liability Limited warranty serviceExtent of limited warranty Statement of Limited Warranty for Lexmark E250d and E250dnStatement of Limited Warranty for Lexmark E250d and E250dn Additional rightsNotices Index Index Index