Image Problem: White Spots.
Trouble Shooting StepsCauseSolutionParts1There is dirt or scratch on the drum unit.Replace the drum unit.<Video Link>Drum unit (015-0333-22)2There is dirt or scratch on the fuser.Replace the fuser.Fuser (002-B209-0-SP)
Trouble Shooting StepsCauseSolutionParts1There is dirt or scratch on the drum unit.Replace the drum unit.<Video Link>Drum unit (015-0333-22)2There is dirt or scratch on the fuser.Replace the fuser.Fuser (002-B209-0-SP)
Trouble Shooting StepsCauseSolutionParts1There is dirt or scratch on the drum unit.Replace the drum unit.<Video Link>Drum unit (015-0333-22)2There is dirt or scratch on the fuser.Replace the fuser.Fuser (002-B209-0-SP)
Trouble Shooting StepsCauseSolutionParts1There is dirt in the paper pathWipe off the dirt. Please refer to the spacing of the various rollers in the image.2There is dirt on the heating roller…
Trouble Shooting StepCauseSolutionParts1Wi-Fi dongle defective.Replace the Wi-Fi dongle.Wi-Fi dongle (008-5520-9-SP)2Main broad defective.Replace the Main board MBA839. <Video Link>Main board AD370 (004-3598-9-SP)AD370N (004-3598A-9-SP)AD370WN (004-3598B-9-SP)AD350 (004-3598C-9-SP)AD350N (004-3598D-9-SP)AD350WN (004-3598E-9-SP)
Trouble Shooting StepCauseSolutionParts1Wi-Fi dongle defective.Replace the Wi-Fi dongle.Wi-Fi dongle (008-5520-9-SP)2Main broad defective.Replace the Main board MBA869. <Video Link>Main board AD3100 (004-3400A-9-SP)AD3100N (004-3400B-9-SP)AD3100WN (004-3400C-9-SP)
Trouble Shooting StepCauseSolutionParts1Wi-Fi dongle defective.Replace the Wi-Fi dongle.Wi-Fi dongle (008-5520-9-SP)2Main broad defective.Replace the main board MBA1006. <Video Link>Main board AD360G (004-3756-9-SP)AD360GN (004-3756A-9-SP)AD360GWN (004-3756B-9-SP)
Icon Trouble Shooting StepCauseSolutionParts1USB cable defective.Replace the USB cable.USB cable (104-6126-9-SP)2Main broad defective.Replace the main board MBA1006. <Video Link>Main board AD360G (004-3756-9-SP)AD360GN (004-3756A-9-SP)AD360GWN (004-3756B-9-SP)
Icon Trouble Shooting StepCauseSolutionParts1USB cable defective.Replace the USB cable.USB cable (104-6126-9-SP)2Main broad defective.Replace the Main board MBA839. <Video Link>Main board AD370 (004-3598-9-SP)AD370N (004-3598A-9-SP)AD370WN (004-3598B-9-SP)AD350 (004-3598C-9-SP)AD350N (004-3598D-9-SP)AD350WN (004-3598E-9-SP)
Icon Trouble Shooting StepCauseSolutionParts1USB cable defective.Replace the USB cable.USB cable (104-6126-9-SP)2Main broad defective.Replace the Main board MBA869. <Video Link>Main board AD3100 (004-3400A-9-SP)AD3100N (004-3400B-9-SP)AD3100WN (004-3400C-9-SP)
Trouble Shooting StepCauseSolutionParts1Adapter defective.Replace the adapter.Adapter (005-3131-9-SP)2UI broad defective.Replace the UI board UIA251.<Video Link>UI board (004-3410-9-SP)3Main broad defective.Replace the Main board MBA839. <Video Link>Main board AD370 (004-3598-9-SP)AD370N (004-3598A-9-SP)AD370WN (004-3598B-9-SP)AD350 (004-3598C-9-SP)AD350N…