Step 1  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. Print the document.
Is the print dark? | Go to step 2. | The problem is solved. |
Step 2 Turn off the printer, wait for about 10 seconds, and then turn on the printer. Reduce toner darkness. From the home screen, touch Settings > Print > Quality > Toner Darkness. Print the document.
Is the print dark? | Go to step 3. | The problem is solved. |
Step 3 Depending on your operating system, specify the paper type from the Printing Preferences or Print dialog. Notes: - Make sure that the setting matches the paper loaded.
- You can also change the setting on the printer control panel. From the home screen, touch Settings > Paper > Tray Configuration > Paper Size/Type.
Print the document.
Is the print dark? | Go to step 4. | The problem is solved. |
Step 4 Check if the paper has texture or rough finishes. Are you printing on textured or rough paper? | Go to step 5. | Go to step 6. |
Step 5 Replace textured paper with plain paper. Print the document.
Is the print dark? | Go to step 6. | The problem is solved. |
Step 6 Load paper from a fresh package. Note: Paper absorbs moisture due to high humidity. Store paper in its original wrapper until you are ready to use it. Print the document.
Is the print dark? | Go to step 7. | The problem is solved. |
Step 7 Remove, and then insert the imaging unit. Warning—Potential Damage: Do not expose the 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 unit. Doing so may affect the quality of future print jobs. Print the document.
Is the print dark? | Go to step 8. | The problem is solved. |
Step 8 Replace the imaging unit. Print the document.
Is the print dark? | Contact customer support. | The problem is solved. |