Does anyone know the part number for the cleaning blade assembly on the Xerox WC6400 color MFP transfer belt assembly (XEROX MFG# 108R00816)? I replaced the belt back in May of this year and in June there were spots on both the print jobs and copies. I cleaned the cleaning blade and emptied the collector and it resolved the problem unit this month. According to the service manual, the cleaning blade it part of the transfer belt. Although the belt is new, it is out of warranty and the end-user isn't pleased that she will have to purchase another one.