• Code: D1H
• Description: CR (PID) driving time error
• Causes: • Main Board failure (Firmware failure)

• Code: D2H
• Description: CR (load position) driving time error
• Causes: • Change Lever failure • CR Motor failure • Main Board failure (Motor driver failure)

• Code: D3H
• Description: PF (PID) driving time error
• Causes: • Main Board failure (Firmware failure)

• Code: D4H
• Description: PF (BS) driving time error
• Causes: • Change Lever failure • CR Motor failure • Main Board failure (Motor driver failure)

• Code: F1H
• Description: PF PID excess load error
• Causes: • PF Motor failure • PF drive mechanism overload (paper jam, foreign object, insufficient grease, deformation of the Main Frame) • Tooth skip of the PF Timing Belt • Improper tension of the PF Timing Belt • Cable disconnection • Main Board failure (Motor driver failure)

• Code: F2H
• Description: PF PID excess speed error
• Causes: • PF Encoder failure (contaminated/detached scale, Encoder Sensor failure) • Tooth skip of the PF Timing Belt • Improper tension of the PF Timing Belt • Main Board failure (Motor driver failure)

• Code: F3H
• Description: PF PID reverse error
• Causes: • PF Encoder failure (contaminated/detached scale, Encoder Sensor failure) • Tooth skip of the PF Timing Belt • Improper tension of the PF Timing Belt • Paper jam • Paper is pulled out from the ASF side when paper is fed • Main Board failure (Motor driver failure)

• Code: F4H
• Description: PF PID lock error
• Causes: • PF Encoder failure (contaminated/detached scale, Encoder Sensor failure) • PF Motor failure • PF drive mechanism overload (paper jam, foreign object, insufficient grease, deformation of the Main Frame) • Cable disconnection • Main Board failure (Motor driver failure)