• Code: 354
• Description: ID sensor error 5
  Vsg falls out of the adjustment target (4.0 ±0.2V) during Vsg checking.
• Causes: • ID sensor defective • ID sensor harness disconnected • ID sensor connector defective • IOB defective • ID sensor pattern not written correctly • Incorrect image density • Charge power pack defective • ID sensor dirty
• Remedy:

• Code: 355
• Description: ID sensor error 6
  The Vp value, which measures the reflectivity of the ID sensor pattern, was not in the range of -70V to -400V.
• Causes: • Potential sensor defective • Potential sensor harness defective • Potential sensor disconnected • IOB defective • OPC unit connector defective • Charge corona power pack defective • Charge corona wire dirty, broken
• Remedy:

• Code: 401
• Description: Transfer output abnormal
  When the transfer is output, the feedback voltage remains higher than 4V for 60 ms.
• Causes: • Transfer power pack defective • Transfer current terminal, transfer power pack disconnected, damaged connector
• Remedy:

• Code: 402
• Description: Transfer output abnormal release detection
  When the transfer is output, there is hardly any feedback voltage within 60 ms even with application of 24% PWM.
• Causes: • Transfer power pack defective • Transfer unit harness disconnected • Transfer connector loose, defective
• Remedy:

• Code: 430
• Description: Quenching lamp error
  At the completion of auto process control initialization, the potential of the drum surface detected by the potential sensor is more than -400V, the prescribed value.
• Causes: • Quenching lamp defective • Quenching lamp harness disconnected • Quenching lamp connector loose, defective
• Remedy:

• Code: 440
• Description: Main motor lock
  The main motor lock signal remains low for 2 seconds while the main motor is on.
• Causes: • Drive mechanism overloaded • Motor driver board defective
• Remedy:

• Code: 441
• Description: Development motor lock
  The development motor lock signal remains high for 2 seconds while the development motor is on.
• Causes: • Drive mechanism overloaded due to toner clumping in the wasted toner path • Motor driver board defective
• Remedy:

• Code: 490
• Description: Main fan error
  The main fan motor lock signal goes high for 5 s while the fan is on.
• Causes: • Fan motor overloaded due to obstruction • Fan connector disconnected
• Remedy: