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C73x & X73x — Horizontal Bands

Document ID:SO6624
 
  Properties  

Problem

C73x; X73x; Horizontal Bands; X734de; X736de; X738de; C734dn; C736n; Wide light bands; Extending from right to left of page; Dark bands

Solution

Defect Symptom

This defect consists of horizontal bands, either wide light bands or dark bands, extending from the left to the right of the page.

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Troubleshooting

  1. Repeating defects of a single color (Cyan, Magenta, Yellow, or Black) are usually due to a defective toner cartridge or photoconductor unit, 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. If the defect repeats down the page, use the defect ruler to determine which component is defective.
  5. A swap test of the photoconductor can be performed to confirm a suspect PC unit.
  6. For optimum print quality and reliability, Lexmark recommends to always replace the photoconductor units in complete sets.
  7. When replacing photoconductor units, be sure to reset the photoconductor life counter for each photoconductor unit replaced. 

 

 

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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