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Black or Gray or White Vertical Bar in Scan or Copy Image

Document ID:TE948

Usergroup :External
03/02/21 Properties  


Affected Products:

Multifunction: CX331, CX431,MC3224, MC3426, MX431, MB3442


Issue Description:

Electrostatic discharge events may occur in the Automatic Document Feeder. These events cause sections on the Contact Image Sensor (CIS) Bar to ‘Latch Up’ (or lock in a certain color). These ‘Latch Up’ events manifest as vertical bars a minimum of 3 mm wide (may be wider) in a scan or copy. Latch up events may be White or Black or Gray. They will be a solid color.


Print Defect Sample




Restart your printer and retry the scan or copy job. 


Still Need Help?

Have the following available when calling Lexmark Technical Support:

  • Printer model(s)
  • Printer serial number
  • Toner/imaging unit/waste toner bottle part number and serial number


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