No, the noise is made when the printhead cannot tilt back and forth which is caused by either a bad camshaft or process drive motor, they are available in a kit, the part number is 8500-Z2. See link below:

http://www.iteminconline.com/8500-z2_8500-z2-xerox-8500-process-camshaft-kit-includes:-process-motor-drum-maintenance-camshaft-transfix-camshaft-installation-instructions.htm