• Code: SC507
• Description: 7th Tray (Bypass Tray) Lift Mechanism
  One of the following conditions is detected in the optional bypass tray. • The bypass tray lift sensor is not activated for 10 s after the tray lift motor turned on. • Upper limit is not detected within 10 s while the paper tray is lifting during paper feed. • The bypass tray lift sensor is already activated paper is placed in the 7th tray.
• Causes: • Poor bypass tray lift motor connection • Remaining paper or another obstruction has stopped the tray and motor • Bypass tray pick-up solenoid connector is loose • Bypass tray pick-up solenoid is blocked by an obstruction

• Code: SC510
• Description: Paper Feed Motor Lock
  An abnormal signal is sent from the paper feed motor.
• Causes: • Paper feed motor defective • Poor paper feed motor connector connection • Too much load on the drive mechanism

• Code: SC511
• Description: LCT Motor Error 1
  The motor overload lock signal for the LCT motor is detected HIGH for more than 500 ms during rotation.
• Causes: • LCT motor defective • Too much load on the drive mechanism

• Code: SC512
• Description: Bypass Tray Error 1
  The motor overload lock signal for the optional bypass tray motor is detected HIGH for more than 400 ms during rotation.
• Causes: • Bypass tray motor defective • Too much load on the drive mechanism

• Code: SC520
• Description: Duplex Jogger Motor Error 1
  When the jogger fence moves to the home position, the duplex jogger HP sensor does not turn on even if the jogger motor has moved the jogger fence more than 153.5 mm.
• Causes: • Remaining paper or another obstruction is blocking the side fence • Jogger motor connection is loose

• Code: SC521
• Description: Duplex Jogger Motor Error 2
  When the jogger fence moves from the home position, the duplex jogger fence HP sensor does not turn off even if the jogger motor has moved the jogger fence more than 153.5 mm.
• Causes: • Remaining paper or another obstruction is blocking the side fence • Jogger motor connection is loose

• Code: SC531
• Description: Fusing/Exit Motor Lock
  A fusing/exit motor lock signal is detected for more than 2 s during operation.
• Causes: • Motor lock due to overload • Motor driver board defective

• Code: SC532
• Description: Paper Feed Motor Lock
  Paper feed motor lock signal is detected for more than 2 s during operation.
• Causes: • Motor lock due to overload • Motor driver board defective