• Code: SC101
• Description: Exposure lamp error
  The standard while level was not detected properly when scanning the white plate.
• Causes: • Exposure lamp defective • Exposure lamp stabilizer defective • Exposure lamp connector defective • Dirty scanner mirror or scanner mirror out of position • SBU board defective • SBU connector defective • Lens block out of position

• Code: SC120
• Description: Scanner home position error 1
  The scanner home position sensor does not detect the off condition during initialization or copying.
• Causes: • Scanner home position sensor defective • Scanner drive motor defective • Scanner home position sensor connector defective • Scanner drive motor connector defective • IOB board defective

• Code: SC121
• Description: Scanner home position error 2
  The scanner home position sensor does not detect the on condition during initialization or copying.
• Causes: • Scanner home position sensor defective • Scanner drive motor defective • Scanner home position sensor connector defective • Scanner drive motor connector defective • IOB board defective

• Code: SC122
• Description: Scanner home position error 3
  The scanner home position sensor detects the on condition while the scanner is returning to the home position.
• Causes: • Scanner home position sensor defective • Scanner drive motor defective • Scanner home position sensor connector defective • Scanner drive motor connector defective • IOB board defective

• Code: SC123
• Description: Scanner home position error 4
  The scanner home position sensor does not detect the on condition after the scanner returns to the home position.
• Causes: • Scanner home position sensor defective • Scanner drive motor defective • Scanner home position sensor connector defective • Scanner drive motor connector defective • IOB board defective

• Code: SC192
• Description: Automatic SBU adjustment error
  An error is detected during automatic SBU adjustment (SP4-903)
• Causes: • SBU defective • BICU board defective • Exposure lamp stabilizer defective • Exposure lamp defective • Dirty white plate

• Code: SC194
• Description: IPU White Level Detection Error
  The level of the white standard pattern detected by the IPU chip (on the BICU board) is too low.
• Causes: • Exposure lamp defective • BICU board defective • Incorrect position of the white standard pattern • Dirty white plate • SBU board defective

• Code: SC302
• Description: Charge roller current leak
  A charge roller current leak signal is detected.
• Causes: • Charge roller damaged • Charge high voltage supply board defective • Poor connection of the PCU