Blank or white pages

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try one or more of the following:

• Make sure that all packing material is removed from the imaging kit, imaging unit, and toner cartridges.

• Check if the printer is using a genuine and supported Lexmark toner cartridge.

  Note:  If the cartridge is not supported, then install a supported one.

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Dark print

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try one or more of the following:

• From the control panel, navigate to Settings > Print > Quality > Advanced Imaging , and then select Color Adjust .

• Depending on your operating system, reduce the toner darkness from the Printing Preferences or Print dialog.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Print > Quality > Toner Darkness .

• Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded in the tray.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

• Make sure that the paper does not have a texture or rough finish.

• Load paper from a fresh package.

  Note:  Paper absorbs moisture due to high humidity. Store the paper in its original wrapper until you are ready to use it.

If the problem persists, then contact customer support .

Ghost images

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try one or more of the following:

• Load the tray with the correct paper type and weight.

• Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded in the tray.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

• From the control panel, navigate to Settings > Print > Quality > Advanced Imaging , and then select Color Adjust .

If the problem persists, then contact customer support .

Gray or colored background

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try one or more of the following:

• Depending on your operating system, increase the toner darkness from the Printing Preferences or Print dialog.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Print > Quality > Toner Darkness .

• From the control panel, navigate to Settings > Print > Quality > Advanced Imaging , and then select Color Adjust .

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Incorrect margins

Try one or more of the following:

• Adjust the paper guides in the tray to the correct position for the paper loaded.

• Depending on your operating system, specify the paper size from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

If the problem persists, then contact customer support .

Light print

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try one or more of the following:

• Make sure that all packing material is removed from the imaging kit, imaging unit, and toner cartridges.

• From the control panel, navigate to Settings > Print > Quality > Advanced Imaging , and then select Color Adjust .

• Depending on your operating system, increase the toner darkness from the Printing Preferences or Print dialog.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Print > Quality > Toner Darkness .

• From the control panel, navigate to Settings > Print > Quality , and then turn off Color Saver .

• Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

• Make sure that the paper does not have a texture or rough finish.

• Load paper from a fresh package.

  Note:  Paper absorbs moisture due to high humidity. Store the paper in its original wrapper until you are ready to use it.

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Missing colors

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try one or more of the following:

• Make sure that all packing material is removed from the imaging kit, imaging unit, and toner cartridges.

• Remove the developer unit of the missing color.

  1. Remove the imaging kit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Remove, and then insert the developer unit of the missing color.

  3. Insert the imaging kit.

If the problem persists, then contact customer support .

Mottled print and dots

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try one or more of the following:

• Check the printer for leaked toner contamination.

• Make sure that the paper size and paper type settings match the paper loaded. From the control panel, navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

  Note:  Make sure that the paper does not have a texture or rough finish.

• Depending on your operating system, specify the paper size and paper type from the Printing Preferences or Print dialog. Make sure that the settings match the paper loaded in the tray.

• Load paper from a fresh package.

  Note:  Paper absorbs moisture due to high humidity. Store the paper in its original wrapper until you are ready to use it.

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Print crooked or skewed

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try one or more of the following:

• Load paper from a fresh package.

  1. Open the tray, and then remove the paper.

  2. Load paper from a fresh package.

     Note:  Paper absorbs moisture due to high humidity. Store the paper in its original wrapper until you are ready to use it.

  3. Adjust the paper guides in the tray to the correct position for the paper loaded.

• Make sure that you are printing on a supported paper.

If the problem persists, then contact customer support .

Solid color or black images

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

1. Remove the imaging kit, and then remove the black imaging unit.

   Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
   Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Text or images cut off

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try one or more of the following:

• Make sure that all packing material is removed from the imaging kit, imaging unit, and toner cartridges.

• Adjust the paper guides in the tray to the correct position for the paper loaded.

• Depending on your operating system, specify the paper size from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded in the tray.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Toner easily rubs off

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.

Try any of the following:

• Make sure that the printer power cord is plugged into an appropriately rated and properly grounded electrical outlet.

• Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded.

• Configure the paper type from the control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

If the problem persists, then contact customer support .

Uneven print density

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that paper is loaded in the portrait orientation.

Try one or more of the following:

• Open door B, and then make sure that the second transfer roller is locked in place.

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Horizontal dark lines

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that the paper is loaded in the portrait orientation.
• If horizontal dark lines keep appearing on the prints, then see Repeating defects .

Try one or more of the following:

• Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

• Make sure that the paper does not have a texture or rough finish.

• Load paper from a fresh package.

  Note:  Paper absorbs moisture due to high humidity. Store the paper in its original wrapper until you are ready to use it.

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Vertical dark lines

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that paper is loaded in the portrait orientation.

Try one or more of the following:

• Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded in the tray.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

• Make sure that the paper does not have a texture or rough finish.

• Load paper from a fresh package.

  Note:  Paper absorbs moisture due to high humidity. Store the paper in its original wrapper until you are ready to use it.

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Horizontal white lines

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that paper is loaded in the portrait orientation.
• If horizontal white lines keep appearing on the prints, then see Repeating defects .

Try one or more of the following:

• Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded in the tray.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

• Load the specified paper source with the recommended paper type.

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the photoconductor drum to direct light. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drums. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Vertical white lines

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that paper is loaded in the portrait orientation.

Try one or more of the following:

• Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Make sure that the setting matches the paper loaded in the tray.

  Note:  You can also change the setting on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

• Check if you are using the recommended paper type.

  Be sure to load the specified paper source with the recommended paper type.

• Make sure that the imaging kit and black imaging unit are properly installed.

  1. Remove the imaging kit, and then remove the black imaging unit.

     Warning—Potential Damage:  Do not expose the imaging kit and black imaging unit to direct light for more than 10 minutes. Extended exposure to light may cause print quality problems.
     Warning—Potential Damage:  Do not touch the photoconductor drum under the imaging kit and black imaging unit. Doing so may affect the quality of future print jobs.

  2. Insert the black imaging unit, and then insert the imaging kit.

If the problem persists, then contact customer support .

Repeating defects

Notes:

• Before solving the problem, print the Print Quality Test Pages. From the control panel, navigate to Settings > Troubleshooting > Print Quality Test Pages .
• Use tray 1 to print the sample pages and make sure that paper is loaded in the portrait orientation.
• Determine how many colors have defects.

1. Measure the distance between the repeating defects on the affected color page. Using the Maintenance Defect Ruler, measure the distance between the repeating defects on the affected color page.

2. Replace the supply item or part that matches the measurement on the affected color page.

   Color imaging kit or black imaging unit

   • 94.5 mm (3.72 in.)

   • 19.9 mm (1.18 in.)

   • 23.2 mm (0.19 in.)

   Developer unit

   • 43.6 mm (1.72 in.)

   • 45.0 mm (1.77 in.)

   Fuser

   • 95 mm (3.74 in.)

   • 110 mm (4.33 in.)

If the problem persists, then contact customer support .

Print jobs do not print

Try one or more of the following:

• From the document that you are trying to print, open the Printing Preferences or Print dialog, and then check if the correct printer is selected.

• Check if the printer is on, and then resolve any error messages that appear on the display.

• Check if the ports are working and if the cables are securely connected to the computer and the printer. For more information, see the setup documentation that came with the printer.

• Turn off the printer, wait for about 10 seconds, and then turn on the printer.

• Remove, and then reinstall the print driver.

If the problem persists, then contact customer support .

Confidential and other held documents do not print

Try one or more of the following:

• From the control panel, check if the documents appear in the Held Jobs list.

  Note:  If the documents are not listed, then print the documents using the Print and Hold options.

• Resolve possible formatting errors or invalid data in the print job.

  • Delete the print job, and then send it again.

  • For PDF files, generate a new file, and then print the document.

• If you are printing from the Internet, then the printer may be reading the multiple job titles as duplicates.

  • For Windows users, make sure to select Keep duplicate documents in the Printing Preferences or Print dialog.

  • For Macintosh users, name each job differently.

• Delete some held jobs to free up printer memory.

• Install more printer memory.

If the problem persists, then contact customer support .

Job prints from the wrong tray or on the wrong paper

Try one or more of the following:

• Make sure that you are printing on the correct paper.

• Depending on your operating system, specify the paper size and paper type from the Printing Preferences or Print dialog. Make sure that the settings match the paper loaded.

  Note:  You can also change the settings on the printer control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .

• Check if the trays are linked. For more information, see Linking trays .

If the problem persists, then contact customer support .

Slow printing

Try one or more of the following:

• Make sure that the printer cable is securely connected to the printer, computer, print server, option, and other network device.

• Make sure that the printer is not in Quiet Mode .

  From the control panel, navigate to Settings > Device > Maintenance > Config Menu > Device Operations > Quiet Mode .

• Specify the resolution of the document that you want to print.

  1. Depending on your operating system, access the Printing Preferences or Print dialog.

  2. Set the resolution to 4800 CQ .

     Note:  You can also change the setting on the control panel. Navigate to Settings > Print > Quality > Print Resolution .

• Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog.

  Notes:

  • You can also change the setting on the control panel. Navigate to Settings > Paper > Tray Configuration > Paper Size/Type .
  • Heavier paper print more slowly.
  • Paper that is narrower than letter, A4, and legal may print more slowly.

• Make sure that the printer settings for texture and weight match the paper being loaded.

  From the control panel, navigate to Settings > Paper > Media Configuration > Media Types .

  Note:  Rough paper texture and heavy paper weight may print more slowly.

• Remove held jobs.

• Make sure that the printer is not overheating.

  Notes:

  • Allow the printer to cool down after a long print job.
  • Observe the recommended ambient temperature for the printer. For more information, see Selecting a location for the printer .

If the problem persists, then contact customer support .