• Code: SC437
• Description: Potential sensor error 6: Vd M The VdHome reading, the first step of the process control self-check, detected that the development potential of the unexposed areas of the drum are not within the prescribed range (-500 to -700)
• Remedy: • Potential sensor dirty • Potential sensor defective • Charge roller defective • Charge power pack defective • OPC defective

• Code: SC438
• Description: Potential sensor error 7: Vd C The VdHome reading, the first step of the process control self-check, detected that the development potential of the unexposed areas of the drum are not within the prescribed range (-500 to -700)
• Remedy: • Potential sensor dirty • Potential sensor defective • Charge roller defective • Charge power pack defective • OPC defective

• Code: SC439
• Description: Potential sensor error 8: Vd Y The VdHome reading, the first step of the process control self-check, detected that the development potential of the unexposed areas of the drum are not within the prescribed range (-500 to -700)
• Remedy: • Potential sensor dirty • Potential sensor defective • Charge roller defective • Charge power pack defective • OPC defective

• Code: SC440
• Description: Image transfer power pack error 1: K An interrupt checks the status of the power pack every 2 ms. This SCis issued if the BICU detects a short in the power pack for K, M, C, or Y 250 times within 500 ms.
• Remedy: • Transfer belt damaged, insulation damaged • Insulation on high voltage cable damaged • Another hot point inside the machine has damaged insulation • Insulation around high-voltage power supply damaged • IOB damaged

• Code: SC441
• Description: Image transfer power pack error 2: M An interrupt checks the status of the power pack every 2 ms. This SCis issued if the BICU detects a short in the power pack for K, M, C, or Y 250 times within 500 ms.
• Remedy: • Transfer belt damaged, insulation damaged • Insulation on high voltage cable damaged • Another hot point inside the machine has damaged insulation • Insulation around high-voltage power supply damaged • IOB damaged

• Code: SC442
• Description: Image transfer power pack error 3: C An interrupt checks the status of the power pack every 2 ms. This SCis issued if the BICU detects a short in the power pack for K, M, C, or Y 250 times within 500 ms.
• Remedy: • Transfer belt damaged, insulation damaged • Insulation on high voltage cable damaged • Another hot point inside the machine has damaged insulation • Insulation around high-voltage power supply damaged • IOB damaged

• Code: SC443
• Description: Image transfer power pack error 4: Y An interrupt checks the status of the power pack every 2 ms. This SCis issued if the BICU detects a short in the power pack for K, M, C, or Y 250 times within 500 ms.
• Remedy: • Transfer belt damaged, insulation damaged • Insulation on high voltage cable damaged • Another hot point inside the machine has damaged insulation • Insulation around high-voltage power supply damaged • IOB damaged

• Code: SC445
• Description: Image transfer motor error The control board of the image transfer motor generated signals that indicate there is problem with the image transfer motor.
• Remedy: • Image transfer motor defective • ITB control board defective • ITB overloaded • Encoder strip on the front edge of the belt damaged.