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C73x & X73x - Vertical Streaks

Document ID:SO6622
 
  Properties  

Problem

C73x; X73x; Vertical Streaks; X734de; X736de; X738de; C734dn; C736n; Thin (1 mm or narrower) light or dark lines extending: Top to bottom of page; Light lines; Dark lines; Streaks

Solution

Defect Symptom


The Vertical Streaks defect consists of thin (i.e., one millimeter or narrower) light or dark lines that extend from the page's top to its bottom.

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Troubleshooting

  1. Defects of a single color (Cyan, Magenta, Yellow, or Black) are usually due to a defective toner cartridge or photoconductor units, and not TBMs, fusers, or other printer hardware. 
  2. Perform the "Color Adjust" procedure in the "Quality" menu.
  3. Print the "Print Defects Guide" in the "Help" menu and review the print samples.
  4. A swap test of the photoconductor can be performed to confirm a suspect PC unit. 
  5. For optimum print quality and reliability, Lexmark recommends always replacing photoconductor units in complete sets.
  6. When replacing photoconductor units, be sure to reset the photoconductor life counter for each photoconductor unit replaced.
  7. If the problem persists after replacing the toner cartridge or photoconductor units, contact Lexmark Technical Support for further assistance.

 

 

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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