te paso el detalle de la falla: 322 D Synchronization error The synchronization signal was not issued within 500 ms after the LD fired while the polygon motor was turning at the prescribed number of revolutions. • Laser synchronization board connectors loose, disconnected, or damaged • Laser synchronization board defective • LD drive board defective ESTA LISTA TE DICE LA FALLA Y LA POSIBLE SOLUCION: SC 322 Laser Sync Detect error - check harness and connections between LD unit and BICU SC 322 Laser Sync Detect error - check for 5vdc at CN403-3, replace 5 VDC door switches as needed SC 322 Laser Sync Detect error - replace laser sync detect board SC 322 Laser Sync Detect error - replace laser unit SC 322 Laser Sync Detect error - replace BICU SC 322 Laser Sync Detect error - excess toner dust inside laser blocking beam, clean LD unit SC 322 Laser Sync Detect error - Laser synchronization board connectors loose, disconnected, or damaged SC 322 Laser Sync Detect error - Laser synchronization board defective SC 322 Laser Sync Detect error - LD drive board defective SC 322 Laser Sync Detect error - do in order: SP2-109-8, SP2-109-3, SP2-109-4