• Code: 373
• Description: TD sensor: Initial adjustment error [M]
  Vt is not (A +-0.2) when initial setting for TD sensor is executed. A = SP 3011 2 for [M]
• Causes: Defective connector connection. Defective TD sensor. The toner density in the developer is different from the initial condition.
• Remedy: 1. Replace the PCU.

• Code: 374
• Description: TD sensor: Initial adjustment error [C]
  Vt is not (A +-0.2) when initial setting for TD sensor is executed. A = SP 3011 3 for [C]
• Causes: Defective connector connection. Defective TD sensor. The toner density in the developer is different from the initial condition.
• Remedy: 1. Replace the PCU.

• Code: 375
• Description: TD sensor: Initial adjustment error [Y]
  Vt is not (A ±0.2) when initial setting for TD sensor is executed. A = SP 3011 4 for [Y]
• Causes: Defective connector connection. Defective TD sensor. The toner density in the developer is different from the initial condition.
• Remedy: 1. Replace the PCU.

• Code: 380
• Description: Drum gear position sensor error
  When receiving the input signal of drum gear position sensor is not correctly done, SC380 is logged.
• Causes: Dirty or defective drum gear position sensor
• Remedy: 1. Clean the drum gear position sensor. 2. Replace the drive unit.

• Code: 396
• Description: Drum motor error [K]
  The LOCK signal is not detected for 2 seconds more while the start signal of the drum motor for black PCU is output.
• Causes: OPC motor slip due to the excessive load
• Remedy: 1. Clean the PCU. 2. Check the cable from the Black OPC/ Development motor. Replace it if necessary. 3. Replace the EGB. 4. Replace the Black OPC/Development motor.

• Code: 397
• Description: Drum motor error [CMY]
  The LOCK signal is not detected for 2 seconds more while the start signal of the drum motor for color PCU is output.
• Causes: OPC motor slip due to the excessive load
• Remedy: 1. Clean the PCU. 2. Check the cable from the Black OPC/ Development motor. Replace it if necessary. 3. Replace the EGB. 4. Replace the Black OPC/Development motor.

• Code: 400
• Description: ID sensor correction error
  Regular Vsp is not (4 ±0.5V) when ID sensor correction is executed.
• Causes: Defective ID sensors. Dirty ID sensors or transfer belt. ID sensor life is over.
• Remedy: 1. Replace the ID sensors.

• Code: 418
• Description: ID sensor: LED adjustment error
  LED PWM adjustment is not [A] for three times consecutively. [A] = 50 < [A] < 400
• Causes: Defective ID sensors. Dirty ID sensors or transfer belt. ID sensor life is over.
• Remedy: 1. Replace the ID sensors.