• Code: SC504
• Description: Cassette Tray 4 feed error
  After the tray was closed, the lift sensor in Tray 4 did not switch on within 20 s after the tray lift motor switched on. -or-The lift sensor did not switch off within 1 s four times after the tray started to descend.
• Causes: • Lift motor connector loose, disconnected, broken. • Paper or other foreign object has jammed the tray lift motor. • Pickup solenoid connector is loose, disconnected, damage. • An obstruction in the mechanical operation of the pickup solenoid • Replace the tray lift sensor.

• Code: SC506
• Description: Cassette feed motor error
  The cassette feed motor lock signal remains HIGH longer than 2 sec. during operation. Note: When this SC occurs, paper feed from the cassette is not possible. However, feed can continue from Trays 1, 2.
• Causes: • Drive mechanism overload. • Motor driver defective

• Code: SC507
• Description: Registration motor lock
  The registration motor lock signal is high longer than 5 s during operation.
• Causes: • Drive mechanism overload. • Motor defective.

• Code: SC531
• Description: Fusing drive motor error
  The fusing drive motor lock signal remained HIGH for 5 sec.
• Causes: • Fusing motor drive mechanism overloaded. • Motor defective.

• Code: SC532
• Description: Left fusing pressure motor home position error 1
  The left pressure motor did not return to home position 9 s after the left pressure motor started.
• Causes: • Motor drive mechanism overload. • Motor defective. • Pressure home position sensor defective.

• Code: SC533
• Description: Left fusing pressure motor home position error 2
  The left pressure motor was still at the home position 1.5 s after the start signal turned on.
• Causes: • Possible Cause • Motor drive mechanism overloaded. • Motor defective. • Pressure home position sensor defective or disconnected.

• Code: SC534
• Description: Right fusing pressure motor home position error 1
  The right pressure motor did not return to home position 9 s after the right pressure motor started.
• Causes: • Motor drive mechanism overloaded. • Motor defective. • Pressure home position sensor defective.

• Code: SC535
• Description: Right fusing pressure motor home position error 2
  The right pressure motor was still at the home position 1.5 s after the start signal turned on.
• Causes: • Motor drive mechanism overloaded. • Motor defective. • Pressure home position sensor defective or disconnected.