• Code: AF
• Description: The CCD HP sensor will not go OFF.
• Causes:

• Code: B1
• Description: Dark level offset data level error for scanning.
• Causes: • CCD unit •Main PCB

• Code: B2
• Description: Gain control data level error for scanning.
• Causes:

• Code: B3
• Description: Scan area left edge detection error.
• Causes: • CCD unit •Main PCB • Black markings on the white-level reference film inside the scanner top cover

• Code: B4
• Description: Scan area right edge detection error.
• Causes:

• Code: B5
• Description: Horizontal scanning edge reduction detection error in scanning area setting
• Causes: • CCD unit

• Code: B6
• Description: Horizontal scanning edge enlargement detection error in scanning area setting
• Causes: • CCD unit

• Code: BB
• Description: White level data error.
• Causes: • CCD unit • CCD harness •Main PCB • Document pressure bar