• Code: 1500
• Description: Pressure roller flag detection count error
  The pressure roller position sensor could not detect the pressure roller.
• Remedy: Correct the height of the pressure roller position sensor. Connect the sensor connector.

• Code: 150C
• Description: PG position undetectable error
  When changing the PG, the PG sensor could not detect the PG position.
• Remedy: 1. Replace the PG Sensor. 2. Replace the APG Assy. 3. Remove any obstacles around the CR Unit home position. The printer changes the PG with the CR Unit being at its home position.

• Code: 1519
• Description: APG Motor oscillation error
  The control terminal (Vre terminal) of the APG Motor driver has shorted out.
• Remedy: 1. Remove the foreign material. 2. If the error still occurs, replace the Main Board.

• Code: 151A
• Description: APG Motor overload error
  • Connection failure of the APG Motor. • Overcurrent to the APG Motor was detected. • APG Motor cable is damaged. • Irregular load • APG encoder failure • APG Motor failure
• Remedy: Replace the APG Motor.

• Code: 151B
• Description: APG Motor over speed error
  The APG Motor was driven at a speed faster than a predetermined one during deceleration. • Irregular load • APG encoder failure • APG Motor driver failure
• Remedy: 1. Replace the APG Motor. 2. Replace the Main Board.

• Code: 151C
• Description: APG Motor reversing error
  The number of occurrences of reversing the APG Motor has reached a predetermined limit. • The polarity of APG Motor cable is opposite. • APG Motor failure
• Remedy: Replace the APG Motor.

• Code: 151D
• Description: APG Motor driving time-out error
  Abnormally-long driving duration of the APG Motor was detected. • Irregular load • Firmware becomes out of control.
• Remedy: Replace the Main Board.

• Code: 151E
• Description: APG Motor velocity deviation error
  The APG Motor was driven at a speed abnormally faster than a predetermined one during acceleration or deceleration. • Irregular load • APG encoder failure • APG Motor failure • APG Motor driver failure
• Remedy: 1. Replace the APG Motor. 2. Replace the Main Board.