Horizontal dark lines

Step 1

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

   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.


2. Print the document.

Do horizontal dark lines appear on prints?

Go to step 2.

The problem is solved.

Step 2

1. Load paper from a fresh package.

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



2. Print the document.

Do horizontal dark lines appear on prints?

Go to step 3.

The problem is solved.

Step 3

1. Remove the printhead wiper, and then clean the printhead lenses.



2. Print the document.

Do horizontal dark lines appear on prints?

Go to step 4.

The problem is solved.

Step 4

1. Remove the photoconductor units.

   Warning—Potential Damage:  Do not expose the photoconductor units 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 photoconductor units.



3. Print the document.

Do horizontal dark lines appear on prints?

Contact customer support.

The problem is solved.