Lexmark C772, C770 manual Solving paper feed problems, Solving print quality problems, Paper path

Page 93

Troubleshooting

Solving paper feed problems

Symptom

Cause

 

Solution

 

Paper frequently jams.

You are using paper that does not

Use recommended paper and other specialty media.

 

meet the printer specifications.

See the Card Stock & Label Guide available on the

 

 

 

 

 

 

Lexmark Web site at www.lexmark.com for detailed

 

 

 

specifications.

 

 

 

For information that can help prevent jams from

 

 

 

occurring, see Avoiding jams.

 

 

 

 

You have loaded too much paper

Make sure the stack of paper you load does not

 

or too many envelopes.

 

exceed the maximum stack height indicated at the

 

 

 

front of the tray or on the multipurpose feeder.

 

 

 

See Loading the trays or Loading the

 

 

 

multipurpose feeder for more information.

 

 

 

 

Guides in the selected tray are not

Move the guides in the tray to the correct position.

 

set to the appropriate position for

For detailed instructions, see Loading the trays.

 

the size paper loaded.

 

 

 

 

 

 

 

 

 

The paper has absorbed moisture

Load paper from a fresh package.

 

due to high humidity.

 

Store paper in its original wrapper until you load it.

 

 

 

 

 

 

See Storing paper for more information.

 

 

 

 

The Paper Jam

You have not pressed

or have

Clear paper from the entire paper path, and then

message remains after

not cleared the entire paper path.

press

.

you remove the jammed

 

 

 

 

paper.

 

 

For more information, see Clearing the entire

 

 

 

 

 

 

paper path.

 

 

 

The page that jammed

Jam Recovery in the Setup Menu/

Set Jam Recovery to Auto or On.

does not reprint after you

Print Recovery section is set to

For more information, see the Menus and Messages

clear the jam.

Off.

 

 

Guide.

 

 

 

 

 

 

 

 

Blank pages feed into

An incorrect media type is loaded

Load the correct type media for your print job, or

the output bin.

in the tray being printed from.

change the Paper Type to match the type of media

 

 

 

loaded.

 

 

 

 

For more information, see the Menus and Messages

 

 

 

Guide.

 

 

 

 

 

 

Solving print quality problems

To help isolate print quality problems, print the Print Quality Test Pages.

1Turn the printer off.

2Press and . Hold them while you turn the printer on, and until the Performing Self Test message appears.

Config Menu appears.

3Press until Prt Quality Pgs appears, and then press .

The pages are formatted. The Printing Quality Test Pages message appears, then the pages print. The message remains on the operator panel until all the pages print.

After the Print Quality Test Pages print, to exit the Config Menu:

4 Press

until

Exit Config Menu appears, and then press

to complete the procedure.

Solving paper feed 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 an output expander Installing the printerInstalling 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 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 PrintingOperator panel buttons PrintingStatus Indicates Button Function Sending a job to printPrinting 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 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 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 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 Tips for successful printing Storing paperStoring supplies Avoiding jams Paper characteristics Media guidelinesPaper Media specifications Media specifications Unacceptable paper Storing paperSelecting paper Selecting preprinted forms and letterhead TransparenciesPrinting on letterhead Media source or process Print side TopEnvelopes Media specifications Selecting transparenciesLabels Identifying media sources and specifications Storing mediaCard stock Media sizes and support DimensionsMedia support by type for optional features Media types and weights input options Media types and weights output options MaximumMaximum2,4 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 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 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 LockoutAligning the image transfer unit Using 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 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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