Defect Symptom Vertical Bands consist of wide light or dark bands extending from the top to the bottom of the page
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Troubleshooting
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.
Perform the "Color Adjust" procedure in the "Quality" menu.
Print the "Print Defects Guide" in the "Help" menu and review the print samples.
A swap test of the photoconductor can be performed to confirm a suspect PC unit.
For optimum print quality and reliability, Lexmark recommends always replacing photoconductor units in complete sets.
When replacing photoconductor units, be sure to reset the photoconductor life counter for each photoconductor unit replaced.
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), 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: SO6623