Sc Code Descriptions - Gestetner B070 Service Manual

SERVICE CALL CONDITIONS

4.1.2 SC CODE DESCRIPTIONS

SC101: Exposure Lamp Error
Definition [B]
The standard white level was not detected properly when scanning the white plate.
Possible Causes
• Exposure lamp defective
• Lamp stabilizer defective
• Exposure lamp connector defective
• Scanner motor control unit (MCU board) defective
• SBU board defective
• Dirty standard white plate
• Dirty scanner mirror or scanner mirror or lens block out of position
SC120: Scanner Home Position Error 1
Definition [B]
The scanner home position sensor does not detect the on condition during
initialization or copying.
Possible Causes
• Scanner home position sensor defective
• Poor connection between HP sensor and MCU board
• Scanner motor control unit (MCU board) defective
• Scanner wire, timing belt, pulleys, or carriage out of position
• Scanner motor defective
• Poor connection or defective harness between MCU board and scanner
motor
SC121: Scanner Home Position Error 2
Definition [B]
Scanner home position sensor OFF not detected.
Possible Causes
• Scanner home position sensor defective
• Poor connection between MCU board and scanner home position sensor
• Harness between MCU board and sensor defective
• MCU board defective
• Scanner wire, timing belt, pulleys, or carriage out of position
• Scanner drive motor defective
• Harness between MCU board and scanner motor disconnected
B070/B071
CÓPIA NÃO CONTROLADA
4-2
CÓPIA NÃO CONTROLADA
SM