• Code: SC413
• Description: ID sensor error 5: Development γ Y
  Development gamma for black, magenta, cyan, or yellow is not within range (0.3 to 6.0). Process control halts when this SC is issued.
• Causes: • Toner density not normal: Refer to the procedure for process control self-check error codes 55 to 59 to 59, and 61 (section 4.2.4) • Potential sensor defective • Laser diode not firing • ITB separation for CMY abnormal • Transfer power pack defective • ID sensor defective

• Code: SC414
• Description: ID sensor error 6: Development start voltage K
  The development start voltage in the development of the black, magenta, cyan, or yellow PCU is not within the correct range (±150V)
• Causes: • Toner density not normal: Refer to the procedure for process control self-check error codes 55 to 59, and 61 (section 4.2.4) • Potential sensor defective • LD not firing correctly • ITB separation for CMY abnormal • Transfer power pack defective • ID sensor defective

• Code: SC415
• Description: ID sensor error 7: Development start voltage M
  The development start voltage in the development of the black, magenta, cyan, or yellow PCU is not within the correct range (±150V)
• Causes: • Toner density not normal: Refer to the procedure for process control self-check error codes 55 to 59, and 61 (section 4.2.4) • Potential sensor defective • LD not firing correctly • ITB separation for CMY abnormal • Transfer power pack defective • ID sensor defective

• Code: SC416
• Description: ID sensor error 8: Development start voltage C
  The development start voltage in the development of the black, magenta, cyan, or yellow PCU is not within the correct range (±150V)
• Causes: • Toner density not normal: Refer to the procedure for process control self-check error codes 55 to 59, and 61 (section 4.2.4) • Potential sensor defective • LD not firing correctly • ITB separation for CMY abnormal • Transfer power pack defective • ID sensor defective

• Code: SC417
• Description: ID sensor error 9: Development start voltage Y
  The development start voltage in the development of the black, magenta, cyan, or yellow PCU is not within the correct range (±150V)
• Causes: • Toner density not normal: Refer to the procedure for process control self-check error codes 55 to 59, and 61 (section 4.2.4) • Potential sensor defective • LD not firing correctly • ITB separation for CMY abnormal • Transfer power pack defective • ID sensor defective

• Code: SC418
• Description: LED error during Vsg adjustment
  PWM value: Ifsg>2000 This means the current to the LED of the ID sensor is abnormal.
• Causes: • ID sensor dirty • ID sensor defective

• Code: SC420
• Description: Potential sensor error 1: Vd Adjustment K
  The development potential of the drum before exposure (Vd) cannot be adjusted to within ±10 V of the target voltage 900V).
• Causes: • Toner density low

• Code: SC421
• Description: Potential sensor error 2: Vd Adjustment M
  The development potential of the drum before exposure (Vd) cannot be adjusted to within ±10 V of the target voltage 900V).
• Causes: • Toner density low