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Lexmark 644, 640, 642 manual Installing a duplex unit

Models: 644 642 640

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Installing and removing options

Installing a duplex unit

The duplex unit attaches under the printer, below the standard tray and above any drawers.

Note: Two optional duplex units are available. The 250-sheet duplex unit only works with printers that have a 250-sheet standard tray, and the 500-sheet duplex unit only works with printers that have a 500- sheet standard tray. Make sure you have the appropriate duplex unit for the tray size installed in the printer.

1Place the duplex unit on top of any installed drawers or the table or printer cabinet where you plan to use the printer.

The tab, round peg, and square holes on top of any drawer help you position the duplex unit so the edges are aligned properly. Make sure it is securely in place.

Tab

Square hole

Round peg

Installing a duplex unit

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Lexmark 644, 640, 642 manual Installing a duplex unit

Contents

T640, T642, T644 Edition March Safety informationContents Contents Index 123 T640 T642 T644 Learning about the printerIdentifying printers ModelsConfigured models Standard network Fully configuredLearning about the printer Security SettingsPaper Menu ReportsMenu Indicator lightUnderstanding the printer operator panel BackDisplay panel Navigation buttonsUSB Direct interface Numeric padInstalling drivers for local printing WindowsOperating system Go to Serial printing Using Windows 95 and Windows 98 first editionInstalling drivers for local printing Click Install Printer and SoftwareSetting parameters in the printer Click Properties Setting parameters in the communications COM portDouble-clickPrint Center or Printer Setup Utility MacintoshCreating a desktop printer icon Mac OS UNIX/Linux Mac OS 9.0 Open Apple LaserWriterDouble-clickDesktop Printer Utility Installing drivers for network printing Printing a network setupAssigning a printer IP address Supported network printer ports Verifying the IP settingsInstalling drivers for network printing Supported printer driversClick Add Port Printing configuration Operating system Go toDirect SharedInstalling drivers for network printing Close Network Neighborhood Click Start Æ Settings Æ PrintersConfiguring Drag‘N’Print Install a custom PPD fileMac OS Using IP Printing Create a desktop printer NetWareInstalling and removing options Installing input optionsOrder of installation Installing and removing options Installing a 250-sheet or 500-sheet drawerInstalling a duplex unit Accessing the printer system board Installing memory or option cardsAccessing the printer system board Installation Installing or removing a memory cardRemoval Installing or removing a flash memory or firmware card Removal Installing an option card Replacing the shield Printing Sending a job to printPrinting from a USB flash memory device Mydocument01 Mydocument02 PrintingUSB drive CopiesCanceling a job from the taskbar Canceling a print jobCanceling a job from the printer operator panel Canceling a job from a computer running WindowsCanceling a job from a computer running Mac OS Printing the menu settingsCanceling a job from a Macintosh computer Canceling a print job from a computer running Mac OSPrinting a confidential job Printing a font sample listPrinting a directory list Printing confidential and held jobsAt the printer Entering a personal identification number PINCopies & Pages or General pop-up menu, select Job Routing Print Time FiltersRepeat Print Printing and deleting held jobsVerify Print Reserve PrintPrinting on specialty media Loading standard trays and optional trays Printing Simplex Duplex Without an optional finisher With an optional finisherSetting the Paper Type and Paper Size Loading the multipurpose feeder Paper Envelopes Transparencies Loading paper, transparencies, or envelopes Loading letterhead or preprinted paper Simplex single sided DuplexClosing the multipurpose feeder Loading the 2000-sheet drawer Duplex Simplex single sided Loading the envelope feeder Printing Linking trays Output bins available Identifying and linking output binsLinking output bins Supported print media Understanding paper and specialty media 6 guidelinesIndicates support Print media size DimensionsUnderstanding paper and specialty media guidelines Print media sizesUnderstanding paper and specialty media guidelines Finisher Print media typesPrint media weights Media weights supported in optional output bins Weight tableFinisher media Media sizes supported in the finisher Media weights supported in the finisher Understanding paper and specialty media guidelines Unacceptable paper Paper characteristicsSelecting print media PaperTransparencies EnvelopesSelecting transparencies Labels Card stock Storing print mediaAvoiding jams Storing supplies Maintaining the printerMaintaining the printer Supply Menu selection item What the setting doesDetermining the status of supplies Conserving suppliesFor Europe, the Middle East and Africa3 Ordering suppliesOrdering a print cartridge For the Americas2For the Asia Pacific Region4 Ordering a maintenance kitRecycling Lexmark products Moving the printer Moving the printer within the officePreparing the printer for shipment Identifying jams Clearing jamsAccess doors and trays Clearing jamsDoors and trays Path and locations After clearing the jam, press to resume printing Understanding jam messagesClearing printer jams Message What to doPaper Jam Check MP Feeder Clearing jams 23x and 24x jams Clearing jams 201 Paper Jam Remove Cartridge Clearing jams Paper Jam Open Rear Door 23x Paper Jam Open Duplex Rear Door 27x Paper Jam Check Bin 280 Paper jams28x Paper Jam Check Finisher Clearing staple jams Clearing jams Clearing jams Administrative support Adjusting operator panel brightness and contrastDisabling operator panel menus Restoring factory default settings Administrative supportEnabling operator panel menus Disabling Power Saver Adjusting Power SaverEncrypting the disk Setting security using the Embedded Web Server EWSSetting the system password Click ConfigurationSupporting IPSec Internet Protocol Security Using the secure Embedded Web ServerClick Certificate Management Using Secure modeUsing 802.1x Authenticating Click TCP/IP Port AccessConfidential Print Setup Locking the operator panel menusPrinting Lockout Message Action TroubleshootingUnderstanding printer messages Online technical support Checking an unresponsive printerCheck the Print as image box Solving printing problemsTroubleshooting Symptom Cause SolutionFinishing Menu Set Page Protect to Off from the Setup MenuSolving option problems Option ActionSee Supported print media See Solving 2000-sheet drawer problems Problem Solution Solving 2000-sheet drawer problemsSee the Card Stock & Label Guide available on our Solving paper feed problemsSolving print quality problems Problem ActionSpecialty media guidelines for more details 111 112 Driver option Purpose Values† Menu selection Purpose Values†114 Trademarks Licensing noticeLexmark International, Inc. All rights reserved 116 Japanese Vcci notice Industry Canada compliance statementAvis de conformité aux normes de l’industrie du Canada European Community EC directives conformityHinweis zum GS-Zeichen Noise emission levelsMeter average sound pressure, dBA T640 T642 T644 German GS mark noticeMailing address Physical addressLexmark International, Inc., Lexington, KY Statement of limited warrantyWarranty Laser noticeLimited warranty service Extent of limited warrantyLimitation of liability Additional rights Numerics IndexPIN Index125