Lexmark 2500 manual Solving print quality problems, Print is too light

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Troubleshooting

72

Solving print quality problems

The information in the following topics may help you solve print quality problems. If these suggestions do not correct the problem, contact Customer Support. You may have a printer part that requires adjustment or replacement.

Print is too light

These are possible solutions. Try one or more of the following:

CHECK THE RIBBON DENSITY CONTROL KNOB

The ribbon density control knob located on the ribbon cartridge is preset to 1. When the print becomes too light, turn the knob from 1 to 2 to increase print darkness.

CHECK THE FORMS THICKNESS LEVER

The forms thickness lever may be set to the wrong number. If so, move it to the correct number for the form thickness you are using.

Dots are missing or print quality is poor

1Make sure the ribbon is securely snapped down on the carrier.

2Adjust the density control knob from 1 to 2 to increase darkness of print.

3Replace the ribbon cartridge.

4Run a printer test.

aMake sure the paper and the ribbon cartridge are installed.

bTurn the printer off.

cPress and hold LineFeed while you turn the printer on, and then release LineFeed when printing begins.

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Contents Users Guide JanuaryContents Understanding Setup mode and menu options Administrative supportPaper and specialty media guide Changing tractor positionsTroubleshooting Solving paper feed problemsIndex Safety information Learning about the printer Printer overviewPrinter front view Part nameApplying control panel overlays Printer back viewUnderstanding the printer features and functions Feature/function 2580/2581 2590/2591Feature/function All models Printing a demonstration EANPrinting a network setup Using IBM emulation mode Printing from Windows or DOSWindows Using Epson emulation mode For Lexmark Forms Printer 2580/2581 usersFor Lexmark Forms Printer 2590/2591 users For Forms Printer 2580/2581 usersUsing Okidata Microline emulation mode For Forms Printer 2590/2591 usersUsing the control panel Understanding the control panel buttonsButton Function Understanding the control panel lights Setting the printer online or offline Advancing paperLight Light status What it means Using the Load/Unload function Selecting a Tractor modeLocking and unlocking the control panel Selecting and locking a font Disabling Font LockSelecting and locking a pitch Disabling Pitch LockSetting the forms thickness lever Loading paperPaper paths Paper paths for the push tractorUsing the Tear Off function Setting the Tear Off positionPaper paths for the pull tractor Loading continuous forms using the push tractor Loading continuous paperPage Page Front loading continuous forms using the pull tractor Page Page Bottom loading continuous forms using the pull tractor Page Page Page Page Loading cut forms Loading a cut form or envelope manuallyLeft paper guide Cut form or envelope Right paper guide Aligning the left margin Setting Top-of-Form Setting Top‑Of‑Form for continuous forms in push modeSetting Top‑Of‑Form for continuous forms in pull mode Setting Top‑Of‑Form for a cut form or an envelopeSetting Top‑Of‑Form in a macro Paper and specialty media guide Paper types and sizes supported by the printerPaper types Single Multiple part Envelopes Changing tractor positions Push tractor positionPull tractor position Converting the push tractor to pull tractor position Converting the pull tractor to push tractor position Page Understanding Setup mode and menu options Using Setup modeTo Select Press Changing menu settings an example Control Options Current PressSetup Mode Main menu Main menu optionsForms Macro Options Data OptionsForms Macro options Data options Paper Handling OptionsBuffer Control options Paper Out Alarm Uni‑Dir PrintingAuto Ready Cut Sheet Demo PrintIBM mode Epson modeOKI mode Emulation optionsInterface Selection Honor InitCleaning the printer Maintaining the printerOrdering supplies Removing the ribbon cartridgeCleaning the outside of the printer Recycling Lexmark productsAdministrative support Restoring the factory default settingsRestoring the US factory default settings Restoring the EU factory default settingsSupporting IPSec Supporting SNMPv3Using 802.1x authentication Click Certificate ManagementTroubleshooting Testing the printerChecking an unresponsive printer Running a printer testUsing Hex Trace mode Checking the printer statusControl panel lights Status Action required Make sure the Tractor 2 option is installed correctly. For Adjusting character bidirectional alignment Solving printing problems Printer alarm sounds Printer is noisyPrinter sounds like it is printing, but does not print Printer power switch is on, but the power light is off Left margin moves to the right during printingIncorrect line length lines do not start at the left margin Printer speed slowsSolving paper feed problems Printing continues beyond the edges of the continuous formsSelected font or pitch is not printing or is changing Paper is jammed in the printerPaper is jammed in the Auto Sheet Feeder Paper jam in the Tractor 2 FeederPrinter does not feed paper Printer does not feed from the optional Tractor 2 Feeder Printer does not feed from the Auto Sheet FeederAuto Sheet Feeder feeds paper at an incorrect rate Paper fed from the Auto Sheet Feeder is skewed Auto Sheet Feeder feeds multiple sheetsSolving print quality problems Print is too lightDots are missing or print quality is poor Characters are wrong or missing Forms are smudged or print is too darkIncorrect number of lines on a Graphics do not printContacting Customer Support Incorrect line spacing or overprinting occursEdition notice Product name Machine type Model numberUnited States Government Rights TrademarksIndustry Canada compliance statement Avis de conformité aux normes de l’industrie du CanadaEuropean Community EC directives conformity Noise emission levelsPower consumption Mode Description Power consumption WattsStatement of Limited Warranty Power SaverLimited warranty service Limitation of liability Index Numerics

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