• Code: 302
• Description: AC charge output error [C]
  The measured voltage is not proper when BICU measures the charge output for each color.
• Causes: Disconnected or broken high voltage cable. Defective or not installed PCU. Defective high voltage power supply.
• Remedy: 1. Check or replace the connectors. 2. Replace the PCDU for the affected color. 3. Replace the HVPS-CB board.

• Code: 303
• Description: AC charge output error [Y]
  The measured voltage is not proper when BICU measures the charge output for each color.
• Causes: Disconnected or broken high voltage cable. Defective or not installed PCU. Defective high voltage power supply.
• Remedy: 1. Check or replace the connectors. 2. Replace the PCDU for the affected color. 3. Replace the HVPS-CB board.

• Code: 325
• Description: Color development motor error
  The motor LOCK signal is not detected for more than two seconds while the motor START signal is on.
• Causes: • Color development motor slip due to an increase in the torque caused by connected components. • Defective motor
• Remedy: 1. Adjust the torque properly by replacing or cleaning the development unit. 2. Replace the development unit. 3. Replace the development motor: CMY if load torque is normal.

• Code: 360
• Description: TD sensor (Vt high) error 1: K
  The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3020-002 for twenty counts. The [Vt - Vtref] value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3020-001.
• Causes: Black, magenta, cyan, or yellow TD sensor disconnected. Harness between TD sensor and PCU defective. Defective TD sensor.
• Remedy: 1. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and development unit for damage. 2. Check the drawer connector of the PCDU. 3. Replace the development unit. 4. Replace the PCDU.

• Code: 361
• Description: TD sensor (Vt high) error 1: M
  The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3020-002 for twenty counts. The [Vt - Vtref] value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3020-001.
• Causes: Black, magenta, cyan, or yellow TD sensor disconnected. Harness between TD sensor and PCU defective. Defective TD sensor.
• Remedy: 1. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and development unit for damage. 2. Check the drawer connector of the PCDU. 3. Replace the development unit. 4. Replace the PCDU.

• Code: 362
• Description: TD sensor (Vt high) error 1: C
  The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3020-002 for twenty counts. The [Vt - Vtref] value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3020-001.
• Causes: Black, magenta, cyan, or yellow TD sensor disconnected. Harness between TD sensor and PCU defective. Defective TD sensor.
• Remedy: 1. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and development unit for damage. 2. Check the drawer connector of the PCDU. 3. Replace the development unit. 4. Replace the PCDU.

• Code: 363
• Description: TD sensor (Vt high) error 1: Y
  The Vt value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 4.7V) with SP3020-002 for twenty counts. The [Vt - Vtref] value of the black, magenta, cyan, or yellow TD sensor exceeds the specified value (default: 5.0V) with SP3020-001.
• Causes: Black, magenta, cyan, or yellow TD sensor disconnected. Harness between TD sensor and PCU defective. Defective TD sensor.
• Remedy: 1. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and development unit for damage. 2. Check the drawer connector of the PCDU. 3. Replace the development unit. 4. Replace the PCDU.

• Code: 364
• Description: TD sensor (Vt high) error 2: K
  The Vt value of the black, magenta, cyan, or yellow TD sensor is below the specified value with SP3020-004 (default: 0.5V) for 10 counts.
• Causes: TD sensor harness disconnected, loose, defective. A drawer connector disconnected, loose, defective. TD sensor defectiver.
• Remedy: 1. Check the black, magenta, cyan, or yellow TD sensor connector and harness between the TD sensor and development unit for damage. 2. Check the drawer connector of the PCDU. 3. Replace the development unit. 4. Replace the PCDU.