• Code: 101
• Description: Exposure lamp error
  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 • High voltage power supply (power pack) harness loose, broken, defective • SBU defective • BCU defective • SIO defective
• Remedy: 1. Check and clean the scanner mirror(s) and scanner lens. 2. Check and clean the shading plate. 3. Replace the exposure lamp. 4. Replace the scanner mirror(s) or scanner lens. 5. Replace the SBU board. 6. Replace the BCU board. 7. Replace the SIO board.

• Code: 120
• Description: Scanner home position error 1
  The scanner home position sensor does not detect the "OFF" condition during operation.
• Causes: • Scanner motor driver defective • Scanner motor defective • Harness between SIO board and scanner motor disconnected • Scanner HP sensor defective • Harness between SIO and HP sensor disconnected
• Remedy: 1. Check the cable connection between the SIO board and scanner motor. 2. Check the cable connection between the SIO and HP sensor. 3. Replace the scanner motor. 4. Replace the HP sensor.

• Code: 121
• Description: Scanner home position error 2
  The scanner HP sensor did not turn on during scanner initialization or copying.
• Causes: • Scanner motor driver defective • Scanner motor defective • Harness between SIO board and scanner motor disconnected • Scanner HP sensor defective • Harness between SIO and HP sensor disconnected
• Remedy: 1. Check the cable connection between the SIO board and scanner motor. 2. Check the cable connection between the SIO and HP sensor. 3. Replace the scanner motor. 4. Replace the HP sensor.

• 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
• Remedy: 1. Check the cable connection 2. Replace the SBU. 3. Replace the IPU. 4. Replace the BCU.

• 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 • SBU defective • IPU defective • BCU defective • SIO Defective
• Remedy: 1. Clean the exposure glass, white plate, mirrors, and lens. 2. Check if the exposure lamp is lit during initialization. 3. Check the harness connection between SBU, BCU and IPU. 4. Check the anti-condensation heater (option) is installed correctly. 5. Replace the exposure lamp. 6. Replace the SBU board. 7. Replace the IPU board. 8. Replace the BCU board. 9. Replace the SIO board.

• Code: 144
• Description: SBU communication error
  Connection to the SBU could not be confirmed, possibly due to a defect in the BCU detection port.
• Causes: • Harness connection at IPU, BCU, SBU loose, broken, defective • Spurious electrical noise on power supply line • IPU defective • BCU defective • SBU defective
• Remedy: 1. Replace the harness. 2. Replace the IPU. 3. Replace the SBU. 4. Replace the BCU.

• Code: 161-001
• Description: IPU error
  The error result of self-diagnostic by the ASIC on the BCU is detected.
• Causes: • Defective BCU • Defective connection between BCU and SBU
• Remedy: 1. Check the connection between BCU and SBU. 2. Replace the BCU.

• Code: 161-002
• Description: IPU error
  The machine detects an error during an access to the Ri.
• Causes: • Defective BCU board
• Remedy: Replace the BCU board.