Description: Exposure Lamp Error
The scanner has scanned the white plate, but cannot detect the white level.
Causes: • Defective exposure lamp
• Defective exposure lamp stabilizer
• Defective exposure lamp connector
• Unclean scanner mirror
• Scanner mirror out of position
• Defective SBU board
• Defective SBU connector
• Lens block out of position
• Incorrect position or width of white plate scanning (* SP4-015)
Code: 120
Description: Scanner home position error 1
The scanner home position sensor does not detect the scanner leaving the home position.
Causes: • Defective scanner home position sensor
• Defective scanner drive motor
• Defective scanner home position sensor connector
• Defective scanner drive motor connector
• Defective BICU board
Code: 121
Description: Scanner home position error 2
The scanner home position sensor does not detect the scanner coming back to the home position.
Causes: • Defective scanner home position sensor
• Defective scanner drive motor
• Defective scanner home position sensor connector
• Defective scanner drive motor connector
• Defective BICU board
Code: 141
Description: SBU black level correction error
• The automatic SBU adjustment has failed to correct the black level three times at the pre-offset adjustment.
• The automatic SBU adjustment has failed to correct the black level ten times at the PGA adjustment.
• The automatic SBU adjustment has failed to correct the black level ten times at the offset adjustment.
Causes: • Defective SBU board
Code: 142
Description: SBU white/black level correction error
The automatic SBU adjustment has failed to correct the white level ten times at the PGA adjustment.
Causes: • Defective exposure lamp
• Unclean white plate
• Incorrect position or width of white plate scanning (* SP4-015)
• Defective SBU board
Code: 144
Description: Communication Error between BICU and SBU
The BICU cannot correctly establish communication with the SBU.
Causes: • Loose connection of the flat cable between the BICU and the SBU
• Defective flat cable between the BICU and the SBU
• Defective BICU
• Defective SBU
Code: 145
Description: Automatic SBU adjustment error
The white levels of the white plate and the white paper are extraordinarily different during the Scan Auto Adjustment (* SP4-428-001).
Causes: • Defective exposure lamp
• Unclean white plate
• Incorrect position or width of white plate scanning (* SP4-015)
• Defective BICU board
• Defective SBU board
Code: 193
Description: Image transfer error
Scanned images are not transferred to the controller memory within one minute.