Step 1 Check the printer for leaked toner contamination. Is the printer free of leaked toner? | Go to step 2. | Contact customer support. |
Step 2  From the home screen, touch Settings > Device > Preferences.  Check if the paper type and size settings match the paper type and size set in the tray.
Do the settings match? | Go to step 4. | Go to step 3. |
Step 3  Change the paper size and type in the Paper menu or adjust the size settings in the tray.  Print the document.
Is the print still mottled? | Go to step 4. | The problem is solved. |
Step 4  Replace the textured or rough paper loaded in the tray with plain paper.  Print the document.
Is the print still mottled? | Go to step 5. | The problem is solved. |
Step 5  Replace the imaging unit or imaging kit. Warning—Potential Damage: Do not expose the imaging unit or imaging kit to direct light for more than 10 minutes. Extended exposure to light can cause print quality problems. Warning—Potential Damage: To avoid damage, do not touch the underside of the imaging unit or imaging kit.  Print the document.
Is the print still mottled? | Contact customer support. | The problem is solved. |