• Code: 101-1
• Description: Exposure lamp error 1
  The standard white level could not be set properly when scanning the white plate during automatic white level adjustment.
• Causes: • White plate dirty • Spurious electrical noise on power supply line • Exposure lamp connection loose, broken, defective • Exposure lamp defective • Lamp stabilizer connection, loose, broken, defective • Lamp stabilizer defective • High voltage power supply harness loose, broken, defective • SBU defective • BCU defective • SIO defective

• Code: 101-2
• Description: Exposure lamp error 1
  The standard white level setting dropped below the specified range during scanning.
• Causes: • White plate dirty • Spurious electrical noise on power supply line • Exposure lamp connection loose, broken, defective • Exposure lamp defective • Lamp stabilizer connection, loose, broken, defective • Lamp stabilizer defective • High voltage power supply harness loose, broken, defective • SBU defective • BCU defective • SIO defective

• Code: 120
• Description: Scanner home position error 1
  The scanner HP sensor did not turn off during scanner initialization or copying.
• Causes: • Scanner motor harness loose, broken, defective at scanner motor or at BCU • Scanner HP sensor harness, loose, broken, defective at HP sensor or at BCU • Scanner motor or motor driver board defective • Scanner motor drive board defective • Scanner HP sensor defective • BCU defective

• Code: 121
• Description: Scanner home position error 1
  The scanner HP sensor did not turn on during scanner initialization or copying.
• Causes: • Scanner motor harness loose, broken, defective at scanner motor or at BCU • Scanner HP sensor harness, loose, broken, defective at HP sensor or at BCU • Scanner motor or motor driver board defective • Scanner motor drive board defective • Scanner HP sensor defective • BCU defective

• Code: 141
• Description: Black level correction error
  Black level correction could not be set properly during automatic adjustment.
• Causes: • Harnesses at the SBU, IPU, BCU loose, broken, defective. • SBU defective • IPU defective • BCU defective

• Code: 142
• Description: White level correction error
  White level correction could not be set properly during automatic adjustment.
• Causes: • Harnesses at SBU, IPU, BCU loose, broken, defective • Spurious electrical noise on power supply line • White plate dirty or missing • Anti-condensation heater (option) in scanner unit not operating • Exposure lamp harness, loose, broken, defective • Exposure lamp defective • Lamp stabilizer harness loose, broken, defective • Lamp stabilizer defective • SBU defective • IPU defective • BCU defective • SIO Defective

• Code: 143
• Description: SBU auto adjust error
  The machine could not acquire the white or black peak level setting at power on.
• Causes: • Exposure lamp, lamp stabilizer harness connection loose, broken, defective • Exposure lamp defective • Lamp stabilizer defective • Spurious electrical noise on power supply line • White plate dirty or missing • Anti-condensation heater (option) in scanner unit not operating • Harness connection at SBU, iPU, BCU, SIO, loose, broken, defective • SBU defective • IPU defective • BCU defective • SIO Defective

• Code: 144-1
• Description: SBU connection error
  Connection to the SBU could not be confirmed, possibly due to a defect in the BCU detection board
• Causes: • Harness connection at IPU, BCU, SBU loose, broken, defective. • Spurious electrical noise on power supply line • IPU defective • BCU defective • SBU defective