• Code: SC101
• Description: Lamp regulator error
  Detects lamp regulator malfunctions by monitoring the signal for both the exposure lamp on and off signals.
• Causes: • Lamp regulator board defective • Exposure lamp open • Optics thermoswitch open • EX-IPU board defective • FU1 on the lamp stabilizer board is blown

• Code: SC120
• Description: Scanner home position error 1
  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 • EX-IPU board defective

• Code: SC121
• Description: Scanner home position error 2
  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 • EX-IPU board defective

• Code: SC190
• Description: EX-IPU board error 1
  An error is detected during the ASIC register check.
• Causes: • EX-IPU board defective

• Code: SC191
• Description: EX-IPU board error 2
  The SRAM in the EX-IPU board is defective.
• Causes: • EX-IPU board defective

• Code: SC302
• Description: Charge current leak
  A charge current leak signal is detected.
• Causes: • Charge corona end block damaged • Charge corona receptacle damaged • Charge high voltage supply board defective

• Code: SC303
• Description: Charge wire cleaner error
  The charge wire cleaner is detected over the image processing area.
• Causes: • Charge wire cleaner drive motor defective • Insufficient lubrication for the charge wire cleaner drive mechanism (G501 grease)

• Code: SC305
• Description: Time out error (memory)
  The BCU cannot receive the memory access ready signal from the EX-IPU
• Causes: