Description: Exposure Lamp Error
At trigger on, the lamp was not detected on.
Causes: • Exposure lamp defective
• Lamp regulator defective
• Lamp regulator harness damaged, disconnected
• Dirty standard white plate
• Scanner mirror dirty or out of position
• Lens dirty, out of position
• SBU board defective
Code: 120
Description: Scanner home position error 1
The scanner HP sensor does not detect the on condition during initialization or copying.
Causes: • BCU, SDRB (Scanner Driver Board) defective
• Scanner motor defective
• Harness between BCU, SDRB, scanner motor disconnected.
• Scanner HP sensor defective.
• Harness between scanner HP sensor and BCU disconnected.
• Scanner wire, timing belt, pulley, carriage installed incorrectly.
Code: 121
Description: Scanner home position error 2
The scanner HP sensor does not detect the off condition during initialization or copying.
Causes: • BCU, SDRB (Scanner Driver Board) defective
• Scanner motor defective
• Harness between BCU, SDRB, scanner motor disconnected
• Scanner HP sensor defective
• Harness between scanner HP sensor and BCU disconnected
• Scanner wire, timing belt, pulley, carriage installed incorrectly.
Code: 122
Description: Scanner home position error 3
The scanner home position sensor does not detect the on condition during original scanning.
Causes: • BCU, SDRB (Scanner Driver Board) defective
• Scanner motor defective
• Harness between BCU, SDRB, scanner motor disconnected
• Scanner HP sensor defective
• Harness between scanner HP sensor and BCU disconnected
• Scanner wire, timing belt, pulley, carriage installed incorrectly
Code: 123
Description: Scanner home position error 4
The scanner home position sensor does not detect the off condition during original scanning.
Causes: • BCU, SDRB (Scanner Driver Board) defective
• Scanner motor defective
• Harness between BCU, SDRB, scanner motor disconnected
• Scanner HP sensor defective
• Harness between scanner HP sensor and BCU disconnected
• Scanner wire, timing belt, pulley, carriage installed incorrectly.
Code: 143
Description: SBU auto adjust error
Automatic adjustment of the SBU fails when the machine is switched on.
Causes: • Exposure lamp defective
• Exposure lamp regulator defective
• Harness between exposure lamp and lamp regulator is disconnected
• White plate installed incorrectly or is dirty
• Scanning mirrors of the exposure unit are dirty or out of position
• SBU board defective
• VIB board defective.
• Harness between SBU, VIB disconnected
• Harness between VIB, BCU disconnected