Problem (T64X): Most or all of the page is covered with toner, the pages come out mostly black/gray

Solution: First try another toner cartridge. In most cases, a defective toner cartridge will be the cause of this type of print quality issue. If the issue occurs with more than one toner cartridge, check the printhead cables. Make sure the video cable on the printhead/laser cable assembly is not damaged. If the video cable is damaged, replace the laser cable assembly (part number 40X0061).

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