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Lexmark CX860

Troubleshooting an Image that Is Not Scanning, Printing and Copying Correctly


This article reviews how to troubleshoot and repair the specific items of the multi-function printer (MFP) that could cause an scanned or copied image to be corrupted. There are several hardware components and connections that, if not deployed properly, could cause this copy or scan quality issue.

This particular defect can appear in several instances, as shown in the images below.

Sample corrupted images

  • (A) One horizontal black line across the page in a random location across or down the page.

  • (B) Multiple horizontal black lines may partially appear across the page or at random locations.
  • (C) & (D) Partial page corruption

    • The image defect usually starts from across the black line of the page.
    • The top of the page may look fine and then the rest of the page is corrupted.


Refer to the following steps when any of the issues described in the overview section transpire.


Insert a universal serial bus (USB) drive in the printer's front panel port and place a colored document with images and text through the automatic document feeder (ADF).

If the USB drive port is disabled or should a USB drive be unavailable, then the same test can be performed using Scan to E-mail, or any other scan workflow.

  1. Perform a Scan to USB Drive (or Scan to E-mail) and make sure to use the following settings:

  • Two-sided
  • Color originals

Scan at least 50 sheets through the ADF.

  1. Remove the USB drive out and insert it into a computer. If the port is disabled or not working, then check the images that were sent to the e-mail.

View every page of the file and look for images which are affected by the defect found in the overview section.

  1. The issue can be intermittent, so this procedure may need to be repeated three or four times.

If there are scan quality issues found after performing the scanner test, take note that the issue is 'scanner' related then proceed to Step 3.


If there are No scan quality issues are found after performing the scanner test, then proceed with the printer test.

Set up the copy workflow the same as above, making sure that the settings are for two-sided originals, color, and two-sided/duplex output in the copy workflow.

  1. Using the same colored document in Step 1, make a copy of at least 50 or more pages so that the scanner and the printer are both operating at the same time.

  1. Check the printed images for any print quality issue. Should the issue appear, it would normally occur only on one side of every other page printed.

  1. This procedure needs to be repeated three or four times.

Should the issue appear during the test, take note that the issue is 'printer' related then proceed to Step 3.


If the cause of the image defect is determined, please refer to the Contacting Lexmark section of this article for additional assistance and make sure to note whether the issue is 'Scanner' or 'Printer' related.

Contacting Lexmark

If you require additional assistance, please close this window and locate

Get In Touch with Lexmark! for contact information.
When calling for support, you will need your printer model/machine type and serial number (SN).

Please be near the products described in this article to expedite the support process and reduce callbacks.


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