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C73x & X73x — Mottle: Marks, Splotches, or Vertical Bands of Color

Document ID:SO6617

Usergroup :External


C73x; X73x; Mottle; X734de; X736de; X738de; C734dn; C736n; Marks on page; Splotches; Vertical color bands extending from top of page


Defect Symptom

Mottle consists of marks, splotches, or vertical bands of cyan, magenta, yellow, or black, usually extending from the top to the bottom of the page.

Click Image to Enlarge

NOTE: For more information, please see KB Solutions ID: SO5340.




  1. Perform the "Color Adjust" procedure in the "Quality" menu.
  2. If the defect persists after performing the Color Adjust procedure, and looks similar to the example shown above, it is most likely due to a defective toner cartridge. Contact Lexmark Technical Support, or your dealer, for a replacement.



Contacting Lexmark

Please contact Lexmark Technical Support if you need additional assistance. NOTE: When calling for support, you will be asked for your machine/model type and serial number (SN). If you need help locating your printer's model type and serial number (SN), click here.

Please call from near the printer in case the technician on the phone asks you to perform a troubleshooting task on the printer.


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