• Code: SC505
• Description: Tandem tray rear fence motor error
  The return sensor does not switch on within 10 sec. after the rear fence motor switches on. The HP sensor does not switch on 10 sec. after the rear fence motor switches on. The HP sensor and return sensor switch on at the same time.
• Causes: • Rear fence motor defective or poor connection • Paper or other obstacle interfering with operation of the sensors • Paper or other obstacle trapped between tray and motor • Motor mechanical overload due to obstruction • Return sensor or HP sensor defective or dirty

• Code: SC510
• Description: LCT tray error: B473/D350
  When the bottom plate is lifted, the upper limit sensor does not come on for 30 sec. When the bottom plate is lowered, the lower limit sensor does not come on for 30 sec. After lift begins, the upper limit sensor does not switch on before the pick-up solenoid switches on. The paper end sensor switches on during lift and the upper limit sensor does not switch on for 2.5 s, and a message prompts user to reset paper.
• Causes: • Tray lift motor harness, disconnected, loose, or defective • Tray lift motor defective • Lift sensor defective or disconnected • Pick-up solenoid defective or disconnected • Paper end sensor defective

• Code: SC515
• Description: Duplex jogger motor error 1
  When the jogger fence moves to the home position, the jogger fence HP sensor does not switch on even after the jogger motor has moved the jogger fence 153.5 mm.
• Causes: • Jogger fence motor defective or poor connection • Paper or other obstacle interfering with operation of the sensors or motor • Return sensor or HP sensor defective, dirty, or disconnected • Paper or other obstacle has jammed mechanism • HP sensor connector disconnected or defective • HP sensor defective

• Code: SC516
• Description: Duplex jogger motor error 2
  When the jogger fence moves from the home position, the jogger fence HP sensor does not turn off even if the jogger motor has moved the jogger fence 153.5 mm.
• Causes: • Jogger fence motor defective or poor connection • Paper or other obstacle interfering with operation of the sensors or motor • Return sensor or HP sensor defective, dirty, or disconnected • Paper or other obstacle has jammed mechanism • HP sensor connector disconnected or defective • HP sensor defective

• Code: SC517
• Description: LCIT air assist front fan error
  The front air assist fan is not functioning properly.
• Causes: • Fan harness disconnected or damaged • Fan blocked by an obstruction • Fan damaged, defective

• Code: SC518
• Description: LCIT air assist rear fan error
  The rear air assist fan is not functioning properly.
• Causes: • Fan harness disconnected or damaged • Fan blocked by an obstruction • Fan damaged, defective

• Code: SC530
• Description: Fusing cooling fan error
  The VBCU did not receive the lock signal 5 seconds after the fusing unit fan switches on.
• Causes: • Fan harness disconnected or damaged • Fan blocked by an obstruction • Fan damaged

• Code: SC531
• Description: Fusing Fan Error: Front
  The lock signal remained HIGH for 5 sec. while the fan at the front of the fusing unit near the heat dissipation fins was operating.
• Causes: • Fan harness disconnected or damaged • Fan blocked by an obstruction • Fan damaged