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.
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For more information, please see KB Solutions ID:
Marks, Splotches, or Clouds of Toner Print Near the Edges of the Printout of a Lexmark C73x/X73x Printer/MFP.Troubleshooting
Perform the "Color Adjust" procedure in the "Quality"menu.
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), How to Locate the Serial Number, TLI, Config ID, and Machine Type on the Lexmark C734, C736 or X734, X736, X738 Color Laser Printers.
Please call from near the printer in case the technician on the phone asks you to perform a troubleshooting task on the printer.
LEGACY ID: SO6617