Using the security lock feature

The printer is equipped with a security lock feature. When a lock compatible with most laptop computers is attached, the printer is locked. Once locked, the metal plate and the system board cannot be removed. Attach a security lock to the printer in the location shown.

Additional printer setup

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Lexmark C790 manual Using the security lock feature

Contents

Users Guide January Contents Printing Loading paper and specialty mediaPaper and specialty media guide Understanding printer menus Maintaining the printer 150 Administrative support 160Troubleshooting 174 Clearing jams 163 212 Safety informatio n Safety information Finding information about the printer Learning about the printe rThank you for choosing this printer Http//support.lexmark.com Selecting a location for the printer Printer configurations Understanding the printer control panel Description USB port Understanding th e home s creen Understanding the home screen Using the touch-screen buttons Sample touch screen Other touch-screen buttons Features Showing or hiding icons on the home screen Accessing the Embedded Web ServerCusto miz in g the home s c reen Activating the home screen applications Eco-Settings Forms and Favorites Showroom Exporting a configurationClick Configure Export Remote Operator Panel Importing a configuration Click Configure Import Installing internal options Additional printer setupAvailable internal options Using the security lock feature Accessing the system board Hard disk connector Page Installing a memory card Notch Ridge Installing a flash memory or firmware card Installing an Internal Solutions Port Page Page Page Installing a printer hard disk Page Page Page Reattach the system board cover Additional printer setup Removing a printer hard disk Order of installation Installing optional trays Supported finishing features Standard bin Finisher bin Executive Folio Attaching cablesLegal Letter Statement Universal Envelopes any size Oficio Printing a menu settings Verifying printer setupReports Menu Settings Printing a network setup Setting up the printer softwareInstalling the printer software Double-clickPrinter Setup Utility or Print Center Setting up wireless printingUpdating available options in the printer driver Installing the printer on a wireless network Windows Insert the Software and Documentation CD Installing the printer on a wireless network Macintosh Prepare to configure the printer Configure the printer for wireless access Enter the printer information Configure your computer to use the printer wirelessly Click Default Browser tab More Printers For Macintosh users Installing the printer on a wired networkFor Windows users Select Ethernet connection, and then click Continue Mac OS X version 10.4 or earlier Mac OS X version 10.5 or laterMac OS X version Click Properties Ports tab Setting up serial printing Click the Default Browser tab More Printers Click Continue Click Advanced Options Custom InstallClick Properties Saving paper and toner Using recycled paperMinimiz in g you r printers env ironmental imp act Conserving supplies Reducing printer noise Using Eco-ModeSaving energy Avoid paper jams Using the Embedded Web Server Adjusting Sleep ModeUsing Hibernate Mode Using the printer control panel Click Settings General Settings Adjusting the brightness of the displayClick Settings General Settings Sleep Button Settings Recycling Recycling Lexmark packaging Recycling Lexmark productsReturning Lexmark cartridges for reuse or recycling Configuring Universal paper settings Setting the paper size and typeLoadin g pap er and specialt y m edia Loading the standard or optional 550-sheet tray Page Page Loading the 2000-sheet high-capacity feeder Page Loading the multipurpose feeder Paper Envelopes Transparencies Linking and unlinking trays Linking trays Unlinking trays Paper Menu Bin SetupClick Settings Paper Menu Custom Name type a name Submit Linking exit bins Assigning a custom paper type name Configuring a custom namePaper Menu Paper Size/Type Paper an d spe cialty med ia guide Paper characteristicsPaper guidelines Selecting preprinted forms and letterhead Using recycled paper and other office papers Storing paper Supported paper sizes Supported paper sizes, types, and weightsLetter Legal Executive Oficio México Folio Statement 215.9 x 355.6 mm 3.375 x 6.50 in. to Card stock Transparencies1 Labels3 Supported paper types and weightsPaper Envelopes4 Printing a document Adjusting toner darknessPrintin g Printing a document Printing from a flash drive Click Settings Print Settings Quality Menu Toner DarknessPrinting from a flash drive Supported flash drives and file types Flash drive Tips on using envelopes Tips on using letterheadTips on using transparencies Printing specialty documentsPage Printing confidential and other held jobs Tips on using card stockStoring print jobs in the printer Printing a font sample list Printing information pagesPrinting confidential and other held jobs Print Canceling a print job from the computer Canceling a print jobCanceling a print job from the printer control panel Printing a directory listPage Understanding printer me nus Menus list Supplies menu Default Source menu Paper menu Tray x Size Paper Size/Type menuTray x Type MP Feeder Size MP Feeder Type Manual Envelope Size Manual Paper SizeManual Paper Type Manual Envelope Type Substitute Size menu Configure MP menuPaper Texture menu Labels Texture Glossy TextureHeavy Glossy Texture Vinyl Labels Texture Paper Weight menu Envelope Weight Vinyl Labels WeightBond Weight Rough Envelope Weight Paper Loading menu Custom Types menu Custom Names menu Universal Setup menuCustom Bin Names menu Bin Setup menu 100 101 Reports menuReports menu Print Directory Asset Report Standard Network or Network x menus Network/Ports menuActive NIC menu 102 Network Reports menu 103 TCP/IP menu Network Card menu104 IPv6 menu 105 Wireless menu 106 Standard USB menu AppleTalk menu107 108 USB Buffer ENA Address Parallel x menu109 ENA Netmask 110 Serial x menu 111 112 Serial Buffer Smtp Setup menu 113 114 Confidential Print menu Miscellaneous Security Settings menuSecurity menu 115 Disk Wiping menu 116 Security Audit Log menu 117 Set Date and Time menu 118 119 Settings menuGeneral Settings menu Display Language 120 Quiet ModeRun Initial setup Keyboard Paper Sizes 121Displayed Information Date Format 122Home screen customization Time Format 123 Timeouts Alarms124 Print Recovery 125 Flash Drive menu 126 127 128 Setup menu 129 Job Accounting menu 130 131 132 Finishing menuSeparator Source Staple Job 133Offset Pages Quality menu 134 RGB Brightness RGB Contrast RGB Saturation Color Balance 135Color Samples 136 Spot Color Replacement Color AdjustManual Color XPS menu Utilities menu137 PostScript menu 138 PCL Emul menu 139 140 Tray Renumber 141 Font Size Html menu142 Scale Image menu Help menu143 144 Disposing of a hard drive Statement of Volatility145 Erasing non-volatile memory Using the printer control panelErasing volatile memory 146 Erasing printer hard disk memory Using the Embedded Web Server147 Touch Disk Encryption Enable Configuring printer hard disk encryption148 149 Maintainin g the printer Cleaning the exterior of the printerCleaning the printhead lenses 150 Storing supplies 151 Checking the status of supplies from a network computer Checking the status of suppliesOrdering supplies Ordering a print cartridge Ordering staple cartridges Ordering a fuser or a transfer moduleOrdering a waste toner bottle 153 Replacing a print cartridge Ordering a cleaning kitReplacing supplies 154 155 156 Replacing the waste toner bottle 157 Before moving the printer Moving the printer158 Shipping the printer Moving the printer to another location159 Using the Embedded Web Server Adminis tra tive supportFinding advanced networking and administrator information Checking the virtual display Viewing reports Setting up e-mail alertsClick Settings 161 Settings General Settings Factory Defaults Restore Now Restoring factory default settings162 Understanding jam numbers and locations Cleari ng jamsAvoiding jams Paper tray recommendations 164 200-239 24x 250 400-403 431-458 455 Paper jam 165 Paper jam under the fuser Paper jamsPaper jam in the fuser 166 167 Paper jam in Tray 24x paper jam168 Paper jam in the optional trays 169 460-461 paper jams 170 Staple jam 431-454, and 456-458 paper jams171 172 173 Checking an unresponsive printer Trou blesh ootingUnderstanding printer messages Change paper source to paper size paper type Change paper source to custom stringChange paper source to custom string load orientation Close paper transport cover Close finisher side door Disk problemError reading USB drive. Remove USB Close finisher top cover Install Tray Install binInstall envelope feeder Insert staple cartridge Load src with size Load src with custom type nameLoad src with custom string Load src with type size Load Manual Feeder with paper type paper size Load Manual Feeder with custom type nameLoad Manual Feeder with custom string Load staples Remove paper from standard output bin Reattach binReattach bin x y 180 Remove paper from bin Restore held jobs?Some held jobs were not restored Remove paper from all bins Xx Missing or defective color cartridge Insufficient memory to support Resource Save featurePrinter service required Xx color cartridge part number unsupported by device Insufficient memory for Flash Memory Defragment operation Insufficient memory, some held jobs will not be restoredInsufficient memory to collate job Insufficient memory, some Held Jobs were deleted Network x software error Serial option x errorStandard network software error Defective flash detected Standard USB port disabled Parallel port x disabledSerial port x disabled Standard parallel port disabled Too many disks installed Configuration change, some held jobs were not restoredInput config error Too many flash options installed Remove defective disk Too many trays attachedIncompatible output bin Disk full Xx Waste toner bottle nearly full Xx Replace fuserXx Fuser missing Xx Replace waste toner bottle Xx color cartridge low Solving printing problemsEmulation error, load emulation option Xx Color cartridge very low Print jobs do not print Error message about reading USB drive appears190 Print job takes longer than expected Confidential and other held jobs do not print191 Tray linking does not work Job prints from the wrong tray or on the wrong paperIncorrect characters print Large jobs do not collate An application error has occurred Solving home screen applications problemsSolving option problems Unexpected page breaks Sheet drawer problems Paper tray problems194 Cannot detect printer hard disk Internal Solutions Port does not operate correctlyCannot detect flash memory card 195 Memory card Solving paper feed problemsInternal print server does not operate correctly USB/parallel interface card does not operate correctly Jammed pages are not reprinted Solving print quality problemsPaper jam message remains after jam is cleared Printer is printing blank pages Fine horizontal lines appear on color pages Characters have jagged or uneven edgesClipped images 198 Gray background on prints Shadow images appear on prints199 Make Sure There is no Defective Print Cartridge Incorrect margins200 Make Sure the Transfer Belt is not Defective 201 Paper curlPrint irregularities Load Paper from a Fresh Package 202 Print is too darkPrint is too light Make Sure the Fuser is not Defective Repeating defects appear on prints 203 204 Skewed printSolid color or black pages appear on prints Replace the Print Cartridge 205 Black or white streaks appear on transparencies or paperStreaked horizontal lines appear on prints Ensure That the Fill Pattern is Correct Toner rubs off Toner fog or background shading appears on a206 Uneven print density Check the Paper Texture SettingTransparency print quality is poor 207 208 Solving color quality problemsFAQ about color printing Make Sure There is no Defective or Worn Print Cartridge What is manual color correction? 209 Click Configuration Color Samples Detailed Options What are detailed Color Samples and how do I access them?210 Contacting customer support Embedded Web Server does not open211 212 Product informationEdition notice Lexmark International, Inc All rights reserved Trademarks 213 Licensing notices Modular component notice214 Noise emission levels 215 Laser notice Temperature informationPower consumption Laser advisory label European Community EC directives conformity Industry Canada compliance statementAvis de conformité aux normes de l’industrie du Canada 217 Exposure to radio frequency radiation Regulatory notices for wireless productsRadio interference notice Industry Canada Canada 219 220 Statement of Limited Warranty 221 Extent of limited warranty 222 223 Additional rights 224 225 Adobe Systems Incorporated Notice 226 Numerics Index227 228 229 230 231 232 233 234