Exposure lamp error 1

101-2	Exposure lamp error 1
	The standard white level setting dropped below the specified range during scanning.	• White plate dirty • Spurious electrical noise on power supply line • Exposure lamp connection loose, broken, defective • Exposure lamp defective • Lamp stabilizer connection, loose, broken, defective • Lamp stabilizer defective • High voltage power supply harness loose, broken, defective • SBU defective • BCU defective • SIO defective