Lexmark C772, C770 manual Bcd E

Page 97

Troubleshooting

Symptom

Cause

Solution

Uneven print density

• The print cartridges are

• Replace the print cartridges.

 

defective.

• Replace the transfer roller.

 

• The transfer roller is worn or

• Replace the image transfer unit.

ABCDE

defective.

 

• The image transfer unit is worn

 

or defective.

 

ABCDE

 

 

ABCDE

 

 

Ghost Images

 

Toner level is low in the print

Replace the print cartridges.

 

 

 

 

 

 

cartridges.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Clipped images

Guides in the selected tray are set

Move the guides in the tray to the proper positions

(Some of the print is cut

for a different size paper than

for the size loaded.

what is loaded in the tray.

 

off on the sides, top, or

 

 

 

bottom of the paper.)

 

 

 

 

 

Incorrect margins

• Guides in the selected tray are

• Move the guides in the tray to the proper positions

 

set for a different size paper

for the size loaded.

 

than what is loaded in the tray.

• Set the Paper Size to match the media in the tray.

•Auto size sensing is set to off, but you loaded a different size paper in a tray. For example, you inserted A4 size paper into the selected tray but did not set the Paper Size to A4.

Skewed print

• Guides in the selected tray are

• Move the guides in the tray to the proper positions

(Print is inappropriately

not in the correct position for

for the size loaded.

the paper size loaded in the

• See the Card Stock & Label Guide available on

slanted.)

tray.

the Lexmark Web site at www.lexmark.com for

 

 

• You are using paper that does

detailed specifications.

 

not meet the printer

• For more information, see Media specifications.

 

specifications.

 

 

 

 

Blank pages

• The print cartridges are

• Replace the print cartridges.

 

defective or empty.

 

 

 

 

Solid color pages

• The print cartridges are

• Replace the print cartridges.

 

defective.

• Call for service.

 

• Your printer requires servicing.

 

 

 

 

The paper curls badly

• The Type, Texture, and Weight

• Change Paper Type, Paper Texture, and Paper

once it prints and exits to

settings are not appropriate for

Weight to match the paper or specialty media

a bin.

the type of paper or specialty

loaded in the printer.

 

media you are using.

• Load paper from a fresh package.

 

• The paper has been stored in a

• Store paper in its original wrapper until you use it.

 

high humidity environment.

• For more information, see Storing paper.

Solving print quality problems

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Contents C770, C772 Edition March Safety informationTrademarks Contents Contents Output options Input optionsInternal options Installing and removing options Installing a 2000-sheet drawerContinue with Installing a 500-sheet drawer Installing a 500-sheet drawer Installing a duplex unit Installing an output expander Installing the printerInstalling an output expander Installing a 5-bin mailbox Installing a StapleSmart finisher Removing the system board access cover Installing memory and option cardsInstalling a memory card Installing a firmware card Installing a hard disk Card Function Installing an option cardConnector Removing memory and option cards Accessing the printer system boardRemoving an option card Removing memory cardsInstalling and removing options Removing a hard disk Removing a firmware card Reinstalling the system board access cover Understanding the printer operator panel PrintingPrinting Operator panel buttonsStatus Indicates Button Function Sending a job to printPrinting from a USB flash memory device Canceling a job from the printer operator panel Canceling a print jobCanceling 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 the trays Loading 500-sheet trays Printing Loading the 2000-sheet tray Printing Loading the multipurpose feeder Printing Windows Printing on specialty media transparencies, labels, otherMac OS Loading the trays Loading the multipurpose feederSelect File Print Linking traysHolding a job in the printer Linking output binsPrinting and deleting held jobs Value DescriptionWindows Printing confidential jobsMacintosh Print Time FiltersEntering a personal identification number PIN At the printerEnter PIN Reserve Print Verify PrintRepeat Print Copies & Pages or General pop-up menu, choose Job RoutingPrint All Delete All JobName1 JobName2 Storing paper Tips for successful printingStoring supplies Avoiding jams Media guidelines Paper characteristicsPaper Media specifications Storing paper Media specifications Unacceptable paperSelecting paper Selecting preprinted forms and letterhead TransparenciesPrinting on letterhead Media source or process Print side TopEnvelopes Media specifications Selecting transparenciesLabels Storing media Identifying media sources and specificationsCard stock Media sizes and support DimensionsMedia support by type for optional features Media types and weights input options Maximum Media types and weights output optionsMaximum2,4 Paper labels Media capacitiesVinyl labels Banner paperReady. 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 numberOrdering an image transfer unit and transfer roller Recycling Lexmark productsOrdering 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 MArea a Clearing the entire paper pathArea B Area D Area CArea E Area T1Area Tx Area K Area JArea 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 Clearing paper jams Clearing paper jams If you still need help Disabling operator panel menus Adjusting operator panel brightness and contrastAdministrative support Restoring factory default settingsEnabling 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 ConfigurationClick TCP/IP Port Access Using Secure modeSupporting 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 LockoutAligning the image transfer unit Size sensing Using the Coverage EstimatorDisabling 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 boxTroubleshooting Solving printing problemsSet Page Protect to Off from Print Recovery For more informations, see Clearing mailbox, finisher, or Solving mailbox problemsOutput expander jams Area M See Solving high capacity feeder problems Solving option problemsOption Action Problem Solution Solving high capacity feeder problemsSolving print quality problems Solving paper feed problemsSee Loading the trays or Loading Paper pathMultiple times on a Marks occur repeatedly only in one colorMarks occur down the page repeatedly in all ColorsTo 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?RGB What are Detailed Color Samples and how do I access them?101 Electronic emission notices With a network cable installedIndustry Canada compliance statement Avis de conformité aux normes de l’industrie du CanadaKorean MIC statement Without a network cable installed104 German GS mark notice Noise emission levelsHinweis zum GS-Zeichen Durchschnittlicher Schallpegel dBA in 1 m UmkreiMode Description Power consumption Power SaverProduct energy consumption Total energy usageLaser notice Laser advisory labelLexmark International, Inc. Lexington, KY Statement of Limited Warranty109 Index PIN Index112

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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