Lexmark C780, C782 manual Cartridges

Page 95

Troubleshooting

Symptom

Cause

Solution

Print too light

• Paper settings may be

• Make sure the printer paper type, paper texture,

 

incorrect.

 

and paper weight settings match the type of

 

• The Toner Darkness setting is

 

paper you are using.

 

too light.

• The default Paper Weight setting in the Paper

 

• You are using paper that does

 

Menu is Normal. For paper less than 20 lb bond

 

not meet the printer

 

(75 g/m2 ), choose the Light setting. For 28 lb

 

specifications.

 

bond to 47 lb bond (105 g/m2 to 175 g/m2 ),

 

• The print cartridges are low on

 

choose the Heavy setting.

 

toner.

• Select a different Toner Darkness setting from the

 

• The print cartridges are

 

printer driver before sending the job to print.

 

defective or have been

• Scroll to the Color Adjust setting in the Quality

 

installed in more than one

 

Menu and press Select to adjust the color.

 

printer.

• Load paper from a new package.

 

 

• Avoid textured paper with rough finishes.

 

 

• Make sure the paper you load in the trays is not

 

 

 

damp.

 

 

• Shake the specified print cartridge to utilize the

 

 

 

remaining toner. For more information, see Print

 

 

 

cartridges.

 

 

• Replace the print cartridge that corresponds to

 

 

 

the color displayed on the control panel.

 

 

 

Print too dark

• The Toner Darkness setting is

• Select a different Toner Darkness setting from the

 

too dark.

 

printer driver before sending the job to print.

 

• The print cartridges are

• Scroll to the Color Adjust setting in the Quality

 

defective.

 

Menu and press Select to adjust the color.

 

 

• Replace the print cartridge that corresponds to

 

 

 

the color displayed on the control panel.

Transparency print

• You are using transparencies

• Use only transparencies recommended by the

quality is poor

that do not meet the printer

 

printer’s manufacturer.

(Print has inappropriate

specifications.

• Make sure the Paper Type setting is set to

• The Paper Type setting for the

 

Transparency.

light or dark spots, toner

 

tray you are using is set to

 

 

is smeared, horizontal or

 

 

something other than

 

 

vertical light bands

 

 

transparency.

 

 

appear, or color does not

 

 

project.)

 

 

 

Toner specks

• The print cartridges are

• Replace the print cartridge that corresponds to

 

defective.

 

the color displayed on the control panel.

 

• The transfer roller is worn or

• Replace the transfer roller.

 

defective.

• Replace the image transfer unit.

 

• The image transfer unit is worn

Replace the fuser.

 

or defective.

Call for service.

 

• The fuser is worn or defective.

 

 

 

• Toner is in the paper path.

 

 

 

 

 

Toner rubs off the paper

• The Type setting is wrong for

• Change Paper Type to match the paper or

easily when you handle

the type of paper or specialty

 

specialty media you are using.

the sheets.

media you are using.

• Change Paper Texture from Normal to Smooth or

 

• The Texture setting is wrong for

 

Rough.

 

the type of paper or specialty

• Change Paper Weight from Plain to CardStock

 

media you are using.

 

(or other appropriate weight).

 

• The Weight setting is wrong for

Replace the fuser.

 

the type of paper or specialty

 

 

 

media you are using.

 

 

 

• The fuser is worn or defective.

 

 

 

 

 

 

Solving print quality problems

95

Image 95
Contents C780, C782 Trademarks Safety informationEdition October Contents Contents Input options Output options Internal options Installing and removing optionsInstalling and removing options Installing a 2000-sheet drawerContinue with Installing a 500-sheet drawer Installing a 500-sheet drawer Installing a duplex unit Installing the printer Installing an output expander Installing and removing options Installing a 5-bin mailbox Installing and removing options Removing the system board access cover Installing a StapleSmart finisherInstalling memory and option cards Installing a memory card Installing an option-added firmware card Installing a hard disk Installing and removing options Card Function Installing an option cardRemoving memory and option cards Accessing the printer system boardRemoving memory cards Removing a hard disk Removing an option cardInstalling and removing options Removing an option-added firmware card Reinstalling the system board access coverUnderstanding the printer operator panel PrintingStatus Indicates Button Function Sending a job to printPrinting Printing from a USB flash memory device Canceling a job from a computer running Windows Canceling a print jobCanceling a job from the printer operator panel Canceling a job from a Macintosh computer running Mac OS Printing a menu settingsPrinting a network setup Canceling a job from a Macintosh computerPrinting a directory list Printing a font sample listLoading 500-sheet trays Loading the traysPrinting Loading the 2000-sheet tray Printing Loading the multipurpose feeder Printing Loading the trays Loading the multipurpose feeder Printing on specialty media transparencies, labels, otherWindows Select File Print Linking traysMac OS Value Description Linking output binsHolding a job in the printer Printing and deleting held jobsPrint Time Filters Printing confidential jobsWindows MacintoshEnter PIN At the printerEntering a personal identification number PIN Copies & Pages or General pop-up menu, choose Job Routing Verify PrintReserve Print Repeat PrintPrint All Delete All JobName1 JobName2 At the printerStoring supplies Tips for successful printingStoring paper Avoiding jams Paper Paper characteristicsWeight Media guidelinesUnacceptable paper Media specificationsSelecting preprinted forms and letterhead Media specifications Selecting paperStoring paper Selecting transparencies Media specifications Printing on letterheadTransparencies EnvelopesLabels Card stock Storing mediaMedia sizes and support Identifying media sources and specificationsDimensions Optional Finisher Standard Offset Staple Media support by type for optional featuresMedia types and weights input options Envelopes2 Media types and weights output optionsLabels- 2,4 Maximum 2,3Grain long MaximumEnvelopes Media capacitiesPaper labels Vinyl labelsView supplies Y K Determining the status of suppliesReady. Tray 1 Low, Tray Status / SuppliesMaintaining the printer Supply Menu selection item What the setting doesConserving supplies Ordering supplies Print cartridgesType of fuser Printer voltage Part number Toner waste containerFuser and ITU Ordering a fuserOrdering staple cartridges Recycling Lexmark productsOrdering an image transfer unit and transfer roller Identifying jams Clearing paper jamsClearing paper jams Access doors and traysExpander jams Area M Understanding jam messagesPaper jam messages Message Check Areas What to doArea B Clearing the entire paper pathArea a Area D Area CArea Tx Area T1Area E Area L Area JArea K Clearing fuser jams Clearing mailbox, finisher, or output expander jams Area MClearing fuser jams Clearing image transfer unit jams Clearing paper jams Clearing paper jams Clearing paper jams If you still need help Disabling operator panel menus Adjusting operator panel brightness and contrastEnabling operator panel menus Restoring factory default settingsAdministrative support Encrypting the disk Adjusting Power SaverClick Configuration Setting security using the Embedded Web Server EWSSetting the system password Using the secure Embedded Web ServerSupporting IPSec Internet Protocol Security Using Secure modeClick TCP/IP Port Access Locking the operator panel menus Using 802.1x AuthenticatingClick 802.1x Authentication Click Menu Lockout SetupPrinting Lockout Black only modeConfidential Print Setup Click Confidential Print SetupDisabling size sensing Using the Coverage EstimatorSize sensing Using MarkVision Messenger Configuring printer alertsUsing the Setup Menu Using MarkVision ProfessionalCheck the Print as image box Online customer support Calling for serviceSymptom Cause Solution Checking an unresponsive printerSet Page Protect to Off from Print Recovery Solving printing problemsTroubleshooting Output expander jams Area M Solving mailbox problemsFor more informations, see Clearing mailbox, finisher, or Option Action Solving option problemsSee Solving high capacity feeder problems Problem Solution Solving high capacity feeder problemsPaper path Solving paper feed problemsSolving print quality problems See Loading the trays or LoadingMarks occur down the page repeatedly in all Top to Bottom or Left to RightMarks occur repeatedly only in one color Multiple times on aTo be replaced Cartridges BCD E How does the printer know what color to print? Solving color quality problemsFrequently asked questions FAQ about color printing What is RGB color?Is it possible to increase the gloss in the printed output? What is Manual Color Correction?Cmyk What are Detailed Color Samples and how do I access them? European Community EC directives conformity Electronic emission noticesAvis de conformité aux normes de l’industrie du Canada 102 Industry Canada compliance statement Durchschnittlicher Schallpegel dBA in 1 m Umkrei Noise emission levelsHinweis zum GS-Zeichen German GS mark noticeTotal energy usage Power SaverMode Description Power consumption Product energy consumption106 Part Name Hazardous Substances or Elements China RoHSLaser advisory label Laser notice Statement of Limited Warranty109 Index PIN Index112