• 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)
• Remedy: • 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)
• Remedy: • 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.
• Remedy: • 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).
• Remedy: • 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).
• Remedy: • Toner density low

• Code: SC422
• Description: Potential sensor error 3: Vd Adjustment C The development potential of the drum before exposure (Vd) cannot be adjusted to within ±10 V of the target voltage (- 900V).
• Remedy: • Toner density low

• Code: SC423
• Description: Potential sensor error 4: Vd Adjustment Y The development potential of the drum before exposure (Vd) cannot be adjusted to within ±10 V of the target voltage (- 900V).
• Remedy: • Toner density low

• Code: SC424
• Description: Potential sensor error 5: Vl adjustment K Vpl could not be adjusted to within ±10V of the target Vpl after exposure of the ID sensor patterns.
• Remedy: • Toner density low