Defect Symptom Thermal Damage: Narrow light or dark bands extending from the left to the right of the page, repeating at a frequency of 33mm-36mm (1.3-1.4").
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NOTE: For more information, please see KB Solutions ID:
Troubleshooting
Defects similar to the samples shown above, repeating at a frequency of 33-36mm (1.3-1.4"), are usually due to defective toner cartridges, and not TBMs, fusers, or other printer hardware.
This particular defect can be the result of Thermal Damage, exposure of the toner cartridge to high temperatures in shipping or storage.
If the defect persists after replacing the toner cartridge, contact Lexmark Technical Support for additional 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: SO6626