• Code: 401
• Description: Transfer roller leak error 1
  A transfer roller current leak signal wad detected. (The current feedback signal for the transfer roller was not detected within the correct time.)
• Causes: • High voltage supply board set incorrectly or defective • Transfer roller set incorrectly or damaged • Transfer unit set incorrectly

• Code: 402
• Description: Transfer roller leak error 2
  A transfer roller current leak signal is detected. The current feedback signal for the transfer roller is not detected within the correct time.
• Causes: • Transfer roller set incorrectly or damaged • High voltage supply board set incorrectly or defective

• Code: 411
• Description: Separation bias leak error
  A separation bias leak signal was detected.
• Causes: • High voltage supply board defective • Discharge plate defective

• Code: 490
• Description: Toner supply motor leak error
  More than 1 ampere supplied to the toner supply motor for longer than 200 ms.
• Causes: • Toner supply motor defective

• Code: 500
• Description: Main motor lock
  The machine detected motor lock (motor is not operating correctly)
• Causes: • An obstruction has blocked operation of the main motor • Main motor harness loose or broken • Main motor or main motor driver board defective

• Code: 501
• Description: 1st paper tray lift motor malfunction
  The paper lift sensor did not activate within 18 sec. after the tray lift motor switched on.
• Causes: • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective

• Code: 502
• Description: 2nd paper tray lift motor malfunction
  The paper lift sensor did not activate within 18 sec. after the tray lift motor switched on.
• Causes: • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective

• Code: 503
• Description: 3rd paper tray lift motor malfunction (optional Paper Tray Unit)
  The paper lift sensor did not activate within 18 sec. after the tray lift motor switched on.
• Causes: • An obstruction (jammed paper, paper scraps, etc.) has blocked the motor drive and caused an overload. • Paper lift sensor connection loose, disconnected, or damaged • Paper lift sensor defective • Tray lift motor connection loose, disconnected, or damaged • Tray lift motor defective