• Code: 101
• Description: Exposure lamp error
  The peak white level is less than 64/255 digits (8 bits) when scanning the shading plate.
• Causes: Exposure lamp defective. Lamp stabilizer defective. Exposure lamp connector defective. Standard white plate dirty. Scanner mirror or scanner lens out of position or dirty.
• 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 lamp stabilizer. 5. Replace the scanner mirror(s) or scanner lens.

• 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 SBU and scanner motor disconnected Scanner HP sensor defective Harness between SBU and HP sensor disconnected
• Remedy: 1. Check the cable connection between the SBU and scanner motor. 2. Check the cable connection between the SBU and HP sensor. 3. Replace the scanner motor. 4. Replace the HP sensor.

• Code: 121
• Description: Scanner home position error 2
  The scanner home position sensor does not detect the "ON" condition during operation.
• Causes: Scanner motor driver defective Scanner motor defective Harness between SBU and scanner motor disconnected Scanner HP sensor defective Harness between SBU and HP sensor disconnected
• Remedy: 1. Check the cable connection between the SBU and scanner motor. 2. Check the cable connection between the SBU and HP sensor. 3. Replace the scanner motor. 4. Replace the HP sensor.

• Code: 141
• Description: Black level detection error
  The black level cannot be adjusted within the target value during the zero clamp.
• Causes: Harness disconnected. Defective SBU
• Remedy: 1. Check the cable connection 2. Replace the SBU.

• Code: 142
• Description: White level detection error
  The white level cannot be adjusted within the target during auto gain control.
• Causes: Dirty exposure glass or optics section SBU defective Exposure lamp defective Lamp stabilizer defective Scanner motor 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 and BICU. 4. Replace the exposure lamp. 5. Replace the scanner motor. 6. Replace the SBU.

• Code: 144
• Description: SBU communication error
  The SBU connection cannot be detected at power on or recovery from the energy save mode, or a signal is abnormal.
• Causes: Defective SBU. Defective harness. Defective detection port on the BICU.
• Remedy: 1. Replace the harness. 2. Replace the SBU. 3. Replace the BICU.

• Code: 161-01
• Description: BICU error: abnormal LSYNC
  The error result of the self-diagnostic by the ASIC on the BICU is detected at power on or recovery from the energy save mode.
• Causes: Defective BICU. Defective connection between BICU and SBU.
• Remedy: 1. Check the connection between BICU and SBU. 2. Replace the BICU.

• Code: 162-01
• Description: BICU error: PCIE communication error
  The link up interrupt from LYRA is not detected or the number of connection lanes is other than 2 at power on or recovery from the energy save mode.
• Causes: Defective BICU. Defective connection between BICU and SBU
• Remedy: 1. Check the connection between BICU and SBU. 2. Replace the BICU.