Description: Scanner Motor Error 2
The scanner motor does not stop within 15 mm after the scanner home position sensor turns on when the scanner returns.
Causes: • Scanner motor defective (low torque)
• Overload on scanner drive mechanism
• MCU board defective (scanner motor control unit)
Code: SC127
Description: Scanner Motor Error 3
The scanner motor rotates in the opposite direction to the signal from the MCU board
Causes: • Scanner motor defective (motor lead connected incorrectly)
• MCU board defective (scanner motor control unit)
Code: SC128
Description: Scanner Motor Error 4
The scanner motor speed does not reach the target speed by the time the scanning start point is reached.
Causes: • Scanner motor defective
• Overload on scanner mechanism • PSU-Eb board defective
• MCU board defective (scanner motor control unit)
Code: SC129
Description: Scanner Motor Error 5
The scanner motor speed is abnormal. The machine will not stop scanning even after the machine detects that motor speed is abnormal.
Causes: • Scanner motor defective
• Scanner drive mechanism defective
• PSU-Eb board defective
• MCU board defective (scanner motor control unit)
Code: SC141
Description: Black level detection error
When the scanner was turned on, AGC (automatic gain control) failed to achieve the target value of 10 ±3.
Description: White level detection error
When the scanner was turned on, the second sampling by AGC (automatic gain control) failed to achieve a value within the range –7 to 0 of the target value 128.
Causes: • Standard white plate defective, dirty
• Moisture inside the scanner unit
• SBUÅÆ IPU harnesses defective
• BCU ÅÆ IPU harnesses defective
• SBU defective
• IPU defective
• BCU defective