Lexmark C770, C772 manual Cartridges

Page 96

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.

• Select a different Toner Darkness setting from the

 

• You are using paper that does

 

printer driver before sending the job to print.

 

not meet the printer

• Perform a Color Adjust in the Utilities Menu.

 

specifications.

• Load paper from a new package.

 

• The print cartridges are low on

• Avoid textured paper with rough finishes.

 

toner.

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

 

• The print cartridges are

 

damp.

 

defective or have been installed

• Shake the specified toner cartridge to utilize the

 

in more than one printer.

 

remaining toner. For more information, see Print

 

 

 

cartridges.

 

 

• Replace the print cartridges.

 

 

 

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

• Replace the print cartridges.

 

defective.

 

 

 

 

 

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 cartridges.

 

defective.

• Replace the transfer roller.

 

• The transfer roller is worn or

• Replace the image transfer unit.

 

defective.

•

Replace the fuser.

 

• The image transfer unit is worn

•

Call for service.

 

or defective.

 

 

•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 (or

 

media you are using.

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.

Gray background

• 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

• Replace the print cartridges.

defective.

 

ABCDE

 

ABCDE

 

ABCDE

 

Solving print quality problems

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Contents C770, C772 Safety information Edition MarchTrademarks Contents Contents Input options Output optionsInternal options Installing a 2000-sheet drawer Installing and removing optionsContinue with Installing a 500-sheet drawer Installing a 500-sheet drawer Installing a duplex unit Installing the printer Installing an output expanderInstalling an output expander Installing a 5-bin mailbox Installing a StapleSmart finisher Installing memory and option cards Removing the system board access coverInstalling a memory card Installing a firmware card Installing a hard disk Installing an option card Card FunctionConnector Accessing the printer system board Removing memory and option cardsRemoving memory cards Removing an option cardInstalling and removing options Removing a hard disk Removing a firmware card Reinstalling the system board access cover Printing Understanding the printer operator panelOperator panel buttons PrintingStatus Indicates Sending a job to print Button FunctionPrinting 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 menu settings Printing a network setupCanceling a job from a Macintosh computer Canceling a job from a Macintosh computer running Mac OSPrinting a font sample list Printing a directory listLoading the trays Loading 500-sheet trays Printing Loading the 2000-sheet tray Printing Loading the multipurpose feeder Printing Printing on specialty media transparencies, labels, other WindowsMac OS Loading the trays Loading the multipurpose feederLinking trays Select File PrintLinking output bins Holding a job in the printerPrinting and deleting held jobs Value DescriptionPrinting confidential jobs WindowsMacintosh Print Time FiltersAt the printer Entering a personal identification number PINEnter PIN Verify Print Reserve PrintRepeat Print Copies & Pages or General pop-up menu, choose Job RoutingPrint All Delete All JobName1 JobName2 Tips for successful printing Storing paperStoring supplies Avoiding jams Paper characteristics Media guidelinesPaper Media specifications Media specifications Unacceptable paper Storing paperSelecting paper Transparencies Selecting preprinted forms and letterheadPrinting on letterhead Media source or process Print side TopMedia specifications Selecting transparencies EnvelopesLabels Identifying media sources and specifications Storing mediaCard stock Dimensions Media sizes and supportMedia support by type for optional features Media types and weights input options Media types and weights output options MaximumMaximum2,4 Media capacities Paper labelsVinyl labels Banner paperDetermining the status of supplies Ready. Tray 1 Low, TrayStatus / Supplies View supplies Y KSupply Menu selection item What the setting does Conserving suppliesOrdering supplies Print cartridges Maintaining the printerToner waste container Fuser and ITUOrdering a fuser Type of fuser Printer voltage Part numberRecycling Lexmark products Ordering an image transfer unit and transfer rollerOrdering staple cartridges Clearing paper jams Identifying jamsAccess doors and trays Clearing paper jamsUnderstanding jam messages Paper jam messagesMessage Check Areas What to do Expander jams Area MClearing the entire paper path Area aArea B Area C Area DArea T1 Area EArea Tx Area J Area KArea L Clearing mailbox, finisher, or output expander jams Area M Clearing fuser jamsClearing fuser jams Clearing image transfer unit jams Clearing paper jams Clearing paper jams Clearing paper jams Clearing paper jams Clearing paper jams If you still need help Adjusting operator panel brightness and contrast Disabling operator panel menusRestoring factory default settings Administrative supportEnabling operator panel menus Adjusting Power Saver Encrypting the diskSetting security using the Embedded Web Server EWS Setting the system passwordUsing the secure Embedded Web Server Click ConfigurationUsing Secure mode Click TCP/IP Port AccessSupporting IPSec Internet Protocol Security Using 802.1x Authenticating Click 802.1x AuthenticationClick Menu Lockout Setup Locking the operator panel menusBlack only mode Confidential Print SetupClick Confidential Print Setup Printing LockoutAligning the image transfer unit Using the Coverage Estimator Size sensingDisabling size sensing Configuring printer alerts Using the Setup MenuUsing MarkVision Professional Using MarkVision MessengerOnline customer support Calling for service Symptom Cause SolutionChecking 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 Solving high capacity feeder problems Problem SolutionSolving paper feed problems Solving print quality problemsSee Loading the trays or Loading Paper pathMarks occur repeatedly only in one color Multiple times on aMarks occur down the page repeatedly in all ColorsTo be replaced Cartridges BCD E Solving color quality problems Frequently asked questions FAQ about color printingWhat is RGB color? How does the printer know what color to print?What is Manual Color Correction? Is it possible to increase the gloss in the printed output?What are Detailed Color Samples and how do I access them? RGB101 With a network cable installed Electronic emission noticesIndustry Canada compliance statement Avis de conformité aux normes de l’industrie du CanadaWithout a network cable installed Korean MIC statement104 Noise emission levels German GS mark noticeHinweis zum GS-Zeichen Durchschnittlicher Schallpegel dBA in 1 m UmkreiPower Saver Mode Description Power consumptionProduct energy consumption Total energy usageLaser advisory label Laser noticeStatement of Limited Warranty Lexmark International, Inc. Lexington, KY109 Index Index PIN112

C772, C770 specifications

The Lexmark C770 and C772 series of printers are robust color laser printers designed for medium to large workgroups that demand high-quality printing along with impressive speed and efficiency. These models stand out due to their impressive set of features and advanced technologies, catering to a range of business printing needs.

One of the hallmarks of the Lexmark C770 and C772 is their print quality. With a resolution of up to 1200 x 1200 dpi, these printers deliver sharp text and vibrant color graphics, making them ideal for producing professional-looking documents, presentations, and marketing materials. Additionally, the printers utilize Lexmark's unique Unison toner technology, which ensures consistent, high-quality printing throughout the life of the cartridge, reducing the need for frequent replacements and maximizing productivity.

Speed is another significant advantage of the C770 and C772 series. Both models are capable of printing at impressive speeds of up to 35 pages per minute for black and white prints and slightly lower for color documents. This rapid output allows businesses to meet tight deadlines without compromising on quality. Furthermore, the first-page-out time is notably fast, ensuring that users do not waste time waiting for their documents.

Connectivity options are extensive with the C770 and C772. These printers support USB, Ethernet, and optional wireless connections, enabling seamless integration into various network environments. This flexibility allows multiple users and devices to access the printer, facilitating collaboration and streamlining workflows.

Additionally, user-friendly features such as a large, intuitive LCD screen and an easy-to-navigate interface simplify printer management and operation. The printers also support advanced finishing options, including duplex printing, which saves paper and reduces costs, making them environmentally friendly choices for businesses.

Moreover, security features are incorporated to protect sensitive data, with options for secure printing and data encryption. This makes these printers suitable for environments where confidentiality is crucial.

In summary, the Lexmark C770 and C772 series are powerful color laser printers that combine exceptional print quality, impressive speed, versatile connectivity, and advanced features, making them a worthy investment for businesses looking to enhance their printing capabilities.
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