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Lexmark 450dn manual Administrative support, Adjusting control panel brightness and contrast

Models: 450dn

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8 Administrative support

8 Administrative support

Adjusting control panel brightness and contrast

The LCD control panel contrast and brightness can be adjusted through the Utilities menu. For more information, see the Menus and Messages Guide.

The LCD Brightness and LCD Contrast settings are adjusted separately. To change the LCD Brightness or LCD Contrast settings:

1Make sure your printer is on.

2Press on the control panel.

3Press until Settings appears, and then press .

4Press until Utilities Menu appears, and then press .

5Press until appears next to the LCD setting you want to change, and then press .

6Press to increase the brightness or contrast, or press to decrease the brightness or contrast.

7When the adjustment is complete, press .

This saves this setting as the new user default, and the printer returns to Ready.

Disabling control panel menus

Since many people could be using the printer, an administrator may choose to lock the control panel menus to keep others from changing menu settings from the control panel.

Note: Disabling the control panel menus does not prevent access to Print and Hold functionality.

To disable the control panel menus so that changes cannot be made to the printer default settings:

1Turn the printer off.

2Press and hold and while turning the printer on.

3Release both buttons when Performing Self Test appears on the display.

The printer performs its power-on sequence, and then Config Menu appears on the first line of the display.

4Press until Panel Menus appears, and then press .

5Press until Disable appears, and then press .

The following messages appear briefly: Submitting Selection and Disabling Menus. The control panel returns to Panel Menus.

6Press until Exit Config Menus appears, and then press .

Activating Menu Changes appears. The menus are disabled.

Resetting the Printer appears briefly followed by a clock. The control panel then returns to Ready.

Administrative support

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Lexmark 450dn manual Administrative support, Adjusting control panel brightness and contrast, Disabling control panel menus

Contents

E450dn User’s GuideJune Safety information Edition JuneTrademarks 2006 Lexmark International, Inc. All rights reservedContents Chapter 4 Installing optionsChapter 1 Learning about the printer Chapter 2 Understanding print media guidelinesContents Chapter 7 TroubleshootingChapter 8 Administrative support Notices1 Learning about the printer Printer overviewBasic model Learning about the printerPower button Power connectLearning about the printer Printer overviewConfigured model Learning about the printerPrinter overview 150-sheet output binPaper Menu Reports Settings MenuSettings Learning about the printerUnderstanding the control panel Understanding the control panelLearning about the printer 4 Indicator light 2 Menu3 Stop Learning about the printer5 and 6 Navigation buttons7 Display Learning about the printer2 Understanding print media guidelines What types of print media can be loaded?Understanding print media guidelines What types of print media can be loaded?Paper characteristics WeightMoisture content Tips on choosing the right print mediaFiber content Unacceptable paperSelecting paper Grain directionTransparencies Selecting preprinted forms and letterheadPrinting on letterhead Understanding print media guidelinesEnvelopes Selecting transparenciesUnderstanding print media guidelines Tips on choosing the right print mediaLabels Card stockUnderstanding print media guidelines Tips on choosing the right print mediaStoring print media Avoiding jamsStoring print media Loading the 250-sheet tray on page Loading the manual feeder on page3 Printing Loading the 250-sheet trayPrinting Printing Loading the 250-sheet trayPrinting Loading the 250-sheet tray7 Insert the tray 8 Extend the paper support on the output bin Extending the tray for legal or folio size paper Attaching the dust coverPrinting Loading the 250-sheet trayLoading the manual feeder Loading the manual feederPrinting Printing Loading the manual feedera Press on the control panel Linking trays Sending a job to printLinking trays PrintingCanceling a print job Canceling a job from the printer control panelCanceling a job from a computer running Windows Canceling a job from the taskbarPrinting the menu settings page Printing a network setup pageCanceling a job from a Macintosh computer Canceling a job from a Macintosh computer running Mac OSPrinting a font sample list Printing held jobsPrinting and deleting held jobs Verify PrintMacintosh At the printerPrinting held jobs 2 In the Copies & Pages or General pop-up menu, select Job Routing4 Installing options Accessing the system boardInstalling options Installing options Accessing the system boardInstalling options Accessing the system board4 Press both buttons on the front right side of the machine to release the side access door 1 Access the system board see Accessing the system board on page Adding a memory cardAdding a flash memory card Adding a memory cardAdding a flash memory card Installing optionsInstalling an optional 550-sheet drawer Recognizing installed optionsInstalling an optional 550-sheet drawer 1 Click Start Æ Settings Æ Printers5 Maintaining the printer Determining the status of suppliesPhotoconductor kit end-of-life Storing suppliesConserving supplies Ordering suppliesMaintaining the printer Conserving suppliesOrdering a toner cartridge Ordering suppliesWorld Wide For the USA and Canada3Changing a toner cartridge Maintaining the printerOrdering supplies 1 Turn the printer offOrdering a photoconductor kit Maintaining the printerOrdering supplies Changing a photoconductor kit Maintaining the printerOrdering supplies Maintaining the printer Ordering suppliesMaintenance kit Maintaining the printerOrdering supplies Machine voltageRecycling Lexmark products Recycling Lexmark productsMaintaining the printer 6 Clearing jams Identifying jamsUnderstanding jam messages Clearing jamsClearing printer jams Clearing a jamClearing jams Clearing printer jams5 Open the front door, and remove the print cartridge assembly Clearing jamsClearing printer jams 4 Remove any crumpled paper from the trayClearing jams Clearing printer jamsClearing a jam in the manual feeder 2 Open the front door, and remove the print cartridge assemblyClearing jams Clearing printer jamsClearing jams Clearing printer jams7 Troubleshooting Calling for serviceTroubleshooting Online customer supportSolving printing problems TroubleshootingCheck the Print as image box If the Performing Self Test and Ready messages do notSolving printing problems Set Page Protect to Off from the Setup MenuSet the Operating Mode to Normal For more information, see Selecting printer operating mode onSolving option problems Turning on Reduced Curl modeTurning on Reduced Curl mode TroubleshootingSolving paper feed problems Solving paper feed problemsSee the Card Stock & Label Guide available on our occurring, see Avoiding jams on pageSolving print quality problems Solving print quality problemsmedia guidelines on page 12 for more details http//support.lexmark.comTroubleshooting Solving print quality problemsNote Macintosh computer users should make sure the lines per inch lpi setting is not Troubleshooting Solving print quality problemsPart or all of the page is Make sure the margins are set correctly in your software application† Values marked by an asterisk * are the factory default settings TroubleshootingSolving print quality problems Lightens or darkens printed output and8 Administrative support Adjusting control panel brightness and contrastAdministrative support Disabling control panel menusRestoring factory default settings Administrative supportEnabling control panel menus Enabling control panel menusAdjusting Power Saver Disabling Power SaverAdjusting Power Saver Submitting Selection appearsSetting security using the Embedded Web Server EWS Setting the system passwordUsing the secure Embedded Web Server 2 Click ConfigurationSetting security using the Embedded Web Server EWS 4 Click Menu Lockout SetupSupporting SNMPv3 Simple Network Management Protocol version Locking the control panel menusNotices ConventionsElectronic emission notices Industry Canada compliance statementPower regulation notice Hot surface noticeENERGY STAR Noise emission levels Waste from Electrical andStatement of Limited Warranty for Lexmark E450dn Limited warrantyLimited warranty service Extent of limited warrantyLimitation of liability Additional rightsNotices NoticesIndex Index Card Stock & Label Guide