Lexmark C780, C782 manual Top to Bottom or Left to Right, Marks occur repeatedly only in one color

Page 93

Troubleshooting

The information in the following table may help you solve print quality problems. If these suggestions still do not correct the problem, call for service. You may have a printer part that requires adjustment or replacement.

Symptom

Cause

Solution

 

 

 

Color misregistration

Color has shifted outside of the

Open the printer door, and make sure all four

 

appropriate area or has been

packaging tabs are removed.

 

superimposed over another color

 

 

area.

 

ABCDE

 

 

ABCDE

 

 

 

 

Top to Bottom or Left to Right:

 

 

1 Re-seat the cartridges by removing them from the

 

 

printer and then reinserting them.

 

 

2 Invoke a Color Adjust operation from the Settings

 

 

Æ Quality menu.

Repeating defects

 

Either the print cartridges are

Marks occur repeatedly only in one color and

 

 

 

 

 

defective, the image transfer unit

multiple times on a page:

 

 

 

 

 

and transfer roller are defective,

• Replace the cartridge if the defects occur every:

 

 

 

 

 

or the fuser is defective.

 

 

 

 

 

– 38 mm (1.5 in.)

 

 

 

 

 

 

 

 

 

 

 

 

– 48 mm (1.9 in.)

 

 

 

 

 

 

– 97 mm (3.8 in.)

 

 

 

 

 

 

 

 

 

 

 

 

 

Marks occur down the page repeatedly in all

 

 

 

 

 

 

 

 

 

 

 

 

colors:

 

 

 

 

 

 

• Replace the transfer roll if the defects occur every

 

 

 

 

 

 

60 mm (2.4 in.)

 

 

 

 

 

 

• Check the first transfer bellcranks and springs or

 

 

 

 

 

 

 

 

 

 

 

 

replace the image transfer unit if the defects

 

 

 

 

 

 

occur every 101 mm (4 in.)

 

 

 

 

 

 

 

 

 

 

 

 

• Replace the fuser if the defects occur every

 

 

 

 

 

 

 

 

 

 

 

 

148 mm (5.8 in.)

 

 

Marks occur on every third or sixth page in any

 

 

color:

 

 

Replace the image transfer unit.

White or colored line

Either the print cartridges are

1

Replace the color print cartridge that is causing

 

defective, the image transfer unit

 

the line.

 

and transfer roller are defective,

2

If you still have the problem, replace the image

ABCDE

or the fuser is defective.

 

transfer unit and transfer roller.

 

 

 

3

If you still have the problem, replace the fuser.

ABCDE

 

 

 

ABCDE

 

 

 

Solving print quality problems

93

Image 93
Contents C780, C782 Safety information Edition OctoberTrademarks 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 Installing a StapleSmart finisher Installing memory and option cardsRemoving the system board access cover 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 Sending a job to print PrintingButton Function Printing from a USB flash memory device Canceling a print job Canceling a job from the printer operator panelCanceling a job from a computer running Windows Printing a network setup Printing a menu settingsCanceling a job from a Macintosh computer Canceling a job from a Macintosh computer running Mac OSPrinting 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 Printing on specialty media transparencies, labels, other WindowsLoading the trays Loading the multipurpose feeder Linking trays Mac OSSelect File Print Holding a job in the printer Linking output binsPrinting and deleting held jobs Value DescriptionWindows Printing confidential jobsMacintosh Print Time FiltersAt the printer Entering a personal identification number PINEnter PIN Reserve Print Verify PrintRepeat Print Copies & Pages or General pop-up menu, choose Job RoutingPrint All Delete All JobName1 JobName2 At the printerTips for successful printing Storing paperStoring supplies Avoiding jams Weight Paper characteristicsMedia guidelines PaperUnacceptable paper Media specificationsMedia specifications Selecting paper Storing paperSelecting preprinted forms and letterhead Transparencies Media specifications Printing on letterheadEnvelopes Selecting transparenciesLabels Card stock Storing mediaIdentifying media sources and specifications DimensionsMedia sizes and support Optional Finisher Standard Offset Staple Media support by type for optional featuresMedia types and weights input options Envelopes2 Media types and weights output optionsGrain long Maximum 2,3Maximum Labels- 2,4Paper labels Media capacitiesVinyl labels EnvelopesReady. Tray 1 Low, Tray Determining the status of suppliesStatus / Supplies View supplies Y KConserving supplies Supply Menu selection item What the setting doesOrdering supplies Print cartridges Maintaining the printerFuser and ITU Toner waste containerOrdering a fuser Type of fuser Printer voltage Part numberRecycling Lexmark products Ordering an image transfer unit and transfer rollerOrdering staple cartridges Identifying jams Clearing paper jamsClearing paper jams Access doors and traysPaper jam messages Understanding jam messagesMessage Check Areas What to do Expander jams Area MClearing the entire paper path Area aArea B Area D Area CArea T1 Area EArea Tx Area J Area KArea L 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 contrastRestoring factory default settings Administrative supportEnabling operator panel menus Encrypting the disk Adjusting Power SaverSetting the system password Setting security using the Embedded Web Server EWSUsing the secure Embedded Web Server Click ConfigurationUsing Secure mode Click TCP/IP Port AccessSupporting IPSec Internet Protocol Security Click 802.1x Authentication Using 802.1x AuthenticatingClick Menu Lockout Setup Locking the operator panel menusConfidential Print Setup Black only modeClick Confidential Print Setup Printing LockoutUsing the Coverage Estimator Size sensingDisabling size sensing Using the Setup Menu Configuring printer alertsUsing MarkVision Professional Using MarkVision MessengerSymptom Cause Solution Online customer support Calling for serviceChecking an unresponsive printer Check the Print as image boxSolving printing problems TroubleshootingSet Page Protect to Off from Print Recovery Solving mailbox problems For more informations, see Clearing mailbox, finisher, orOutput expander jams Area M Solving option problems See Solving high capacity feeder problemsOption Action Problem Solution Solving high capacity feeder problemsSolving print quality problems Solving paper feed problemsSee Loading the trays or Loading Paper pathMarks occur repeatedly only in one color Top to Bottom or Left to RightMultiple times on a Marks occur down the page repeatedly in allTo be replaced Cartridges BCD E Frequently asked questions FAQ about color printing Solving color quality problemsWhat is RGB color? How does the printer know what color to print?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? Electronic emission notices Avis de conformité aux normes de l’industrie du CanadaEuropean Community EC directives conformity 102 Industry Canada compliance statement Hinweis zum GS-Zeichen Noise emission levelsGerman GS mark notice Durchschnittlicher Schallpegel dBA in 1 m UmkreiMode Description Power consumption Power SaverProduct energy consumption Total energy usage106 China RoHS Laser advisory labelPart Name Hazardous Substances or Elements Laser notice Statement of Limited Warranty109 Index PIN Index112