Dell 1720/1720DN specifications Cleaning the Printhead Lens

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7.Install the toner cartridge assembly into the printer by aligning the blue arrows on the guides of the toner cartridge with the blue arrows in the printer and pushing the toner cartridge assembly as far as it will go.

8.After you replace the imaging drum, you should reset the imaging drum's counter. To reset the counter, press and hold the Cancel button until all lights flash in sequence.

NOTICE: Resetting the imaging drum's counter without replacing the imaging drum may damage your printer and void your warranty.

9. Close the front cover.

Cleaning the Printhead Lens

1.Turn off the printer.

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

3.Remove the toner cartridge assembly from the printer by pulling on the toner cartridge handle.

NOTE: Do not press the button on the toner cartridge assembly.

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Contents Dell Laser Printer 1720/1720dn Users Guide United States Government Restricted RightsNovember 2006 SRV PY972 Rev. A00 Finding Information What are you Find it here Looking for?Click Start Help and Support Click → Help and SupportPrinting Status Window Software OverviewDell Toner Management System Dell Printer Supplies Reorder ApplicationDell Local Printer Settings Utility Status Monitor CenterQuality Menu Dell Printer Software Uninstall Utility Set IP Address UtilityDriver Profiler Dell Printer Configuration Web Tool Dell Printer Alert Utility About Your Printer Understanding Your PrinterPrinting the Printer Settings Configuration Sheet Understanding the Operator PanelChoosing the Right Cable Connection Cable certificationPrinting Manually Feeding a Print JobPrinting on Both Sides of the Paper Dell Laser Printer 1720dn Automatic Duplex Printing Multiple Page Images on One Page N-Up PrintingDell Laser Printer 1720 Manual Duplex Select either 2-sided long edge or 2-sided short edgePrinting a Booklet Printing a PosterClick More Page Layout Options Printing on Letterhead Canceling a Print Job From the Printer Operator PanelFrom Your Computer For Windows Vista default Start menu Network Menu Factory default settingOperator Panel Menus From this You can MenuFrom You can This Menu Setup MenuParallel Menu From this You can Menu Ppds EmulationUSB Menu Utilities MenuTo exit Hex Trace, turn off the printer Maintaining Your Printer Ordering SuppliesStoring Supplies Replacing the Toner Cartridge Storing the Toner CartridgePage Replacing the Imaging Drum Page Cleaning the Printhead Lens Page Operator Panel Lights Common Light SequencesOff Slow blink Fast Blink Secondary Error Light Sequences When the Error and ContinuePaper Jam Secondary Light Sequences Busy Ready/Power SaverPrinter Status Hex Trace ReadyFlushing/Resolution Reduced Not ReadyTroubleshooting Basic ProblemsYou cannot close the front cover Print Quality Problems Print is too light Streaked vertical lines appear on Print density is uneven Load Manual type size Error RecoveryLoad input source type size Output Bin Full Remove PaperUnsupported Print Cartridge Invalid Refilled CartridgeMissing or Defective Cartridge Paper Too ShortInsufficient Defrag Memory Standard Network Software ErrorStandard Parallel/USB Port Disabled Memory FullToner Low Imaging Drum Life WarningReplace Imaging Drum Paper Jam Remove CartridgePaper Jam Remove Cartridge Paper Jam Open Rear Door Duplex Paper Jam Open Rear DoorDuplex Paper Jam Remove Tray Paper Jam Check Duplex Duplex Paper Jam Unsupported SizePaper Jam Check Tray Paper Jam Check Manual FeederCalling for Service Installing Optional Hardware Installing the 550-Sheet Optional DrawerConfiguring the Paper Trays Click Actions Apply Settings Operating SystemAvailable Options list, click 550-sheet tray Installing an Optional Memory CardDell Laser Printer 1720dn Attached to a Network Select Paper SizePage Click the Install Options tab Overview SpecificationsEnvironmental Specifications Noise Emissions LevelsOperating System Support Emulation, Compatibility, and ConnectivityMIB Compatibility PostScript support limited to Macintosh onlyPrint Media Guidelines Media Types and Sizes CablesCertifications Loading Paper Loading the 250-Sheet and 550-Sheet Paper TraysPage Loading the Manual Feeder Using the Rear Exit Appendix Dell Technical Support PolicyContacting Dell Warranty and Return Policy Installing Additional Printer Drivers Setting up for Local PrintingInstalling the Printer Drivers WindowsSelect Have Disk Installing Additional Printer SoftwareAdd Printer Wizard opens Operating System Software PathClick Install on the Easy Install screen MacintoshLinux USB Printer Selection section, click ChangeBSD License and Warranty statements Licensing NoticeGNU License Preamble Page GNU Lesser General Public License Page Page Page Page Supported Printer Drivers Setting up for Network PrintingPrint and Check the Network Setup Supported Network Printer PortsDirect Attachment With a Network Cable Using a Print Server Direct Attachment With a Network Cable No Print ServerClick Print Test Remotely Installing Network Printer Drivers Shared Printing Share the PrinterInstall the Shared Printer on Client Computers Point and PrintPeer-to-Peer Click Properties Click Print TestClick Network Print Server Macintosh If you want to print using IP Printing Open TextEdit in /ApplicationsLPR Printer Selection section, click Change AppleTalk Printer Selection section, click ChangeLinux