Gestetner B070 Service Manual page 324

SERVICE CALL CONDITIONS
SC127: Scanner Motor Error 4
Definition [B]
The scanner motor rotates in the opposite direction to the signal from the MCU
board.
Possible Causes
• Scanner motor defective (motor lead connected incorrectly)
• MCU board defective (scanner motor control unit)
SC128: Scanner Motor Error 5
Definition [B]
The scanner motor speed does not reach the target speed by the time the
scanning start point is reached.
Possible Causes
• Scanner motor defective
• Overload on scanner mechanism\
• PSU-E board defective
• MCU board defective (scanner motor control unit)
SC129: Scanner Motor Error 6
Definition [B]
The scanner motor speed is abnormal.
NOTE: The machine will not stop scanning even after the machine detects that
motor speed is abnormal.
Possible Causes
• Scanner motor defective
• Scanner drive mechanism defective
• PSU-E board defective
• MCU board defective (scanner motor control unit)
B070/B071
CÓPIA NÃO CONTROLADA
4-4
CÓPIA NÃO CONTROLADA
SM