• Code: 012-0201-05
• Description: Drum speed detection error (M)
• Causes: The Drum Speed Detection PCB (M) 1/2 detected a rotation signal error.
• Remedy: [Related parts] R1.00 - Harness connecting from the Drum Driver PCB (UN6/J1905) to the Drum Speed Detection PCB (M) 1/2 and Drum Motor (M) (UN22/J7314, UN23/J7315 and M23/J7302) - Drum Speed Detection PCB (M) 1/2 (UN22 and UN23) - Drum Motor (M) (M23) - Drum Unit (M) - Drum Driver PCB (UN6) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check that the Encoder Wheel of the Drum Speed Detection PCB (M) 1/2 is properly installed. 2. Clean the Drum Speed Detection PCB (M) 1/2 and the Encoder Wheel. 3. Set the Drum Unit (M) again. 4. Check/replace the related harness/cable, connector and parts.

• Code: 012-0202-05
• Description: Drum speed detection error (M)
• Causes: The Drum Speed Detection PCB (M) 1 detected a rotation signal error.
• Remedy: [Related parts] R1.00 - Harness connecting from the Drum Driver PCB (UN6/J1905) to the Drum Speed Detection PCB (M) 1 and Drum Motor (M) (UN22/J7314 and M23/J7302) - Drum Speed Detection PCB (M) 1 (UN22) - Drum Motor (M) (M23) - Drum Unit (M) - Drum Driver PCB (UN6) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Clean the Drum Speed Detection PCB (M) 1 and the Encoder Wheel. 2. Set the Drum Unit (M) again. 3. Check/replace the related harness/cable, connector and parts.

• Code: 012-0203-05
• Description: Drum speed detection error (M)
• Causes: The Drum Speed Detection PCB (M) 2 detected a rotation signal error.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1905) and the Drum Speed Detection PCB (M) 2 (UN23/J7315) - Drum Speed Detection PCB (M) 2 (UN23) - Drum Driver PCB (UN6) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Clean the Drum Speed Detection PCB (M) 2. 2. Check/replace the related harness/cable, connector and parts.

• Code: 012-0206-05
• Description: Drum Motor (M) rotation error
• Causes: The Drum Motor (M) is not rotating at the specified speed, or it is stopped.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1905) and the Drum Motor (M) (M23/J7302) - Drum Motor (M) (M23) - ITB Cleaning Blade - Drum Driver PCB (UN6) [Remedy] Perform the following in the order while checking whether the error is cleared. - Check that the Intermediate Transfer Belt is not displaced. - Check/replace the related harness/cable, connector and parts.

• Code: 012-0301-05
• Description: Drum speed detection error (C)
• Causes: The Drum Speed Detection PCB (C) 1/2 detected a rotation signal error.
• Remedy: [Related parts] R1.00 - Harness connecting from the Drum Driver PCB (UN6/J1906) to the Drum Speed Detection PCB (C) 1/2 and Drum Motor (C) (UN24/J7312, UN25/J7313 and M25/J7304) - Drum Speed Detection PCB (C) 1/2 (UN24 and UN25) - Drum Motor (C) (M25) - Drum Unit (C) - Drum Driver PCB (UN6) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Check that the Encoder Wheel of the Drum Speed Detection PCB (C) 1/2 is properly installed. 2. Clean the Drum Speed Detection PCB (C) 1/2 and the Encoder Wheel. 3. Set the Drum Unit (C) again. 4. Check/replace the related harness/cable, connector and parts.

• Code: 012-0302-05
• Description: Drum speed detection error (C)
• Causes: The Drum Speed Detection PCB (C) 1 detected a rotation signal error.
• Remedy: [Related parts] R1.00 - Harness connecting from the Drum Driver PCB (UN6/J1906) to the Drum Speed Detection PCB (C) 1 and Drum Motor (C) (UN24/J7312 and M25/J7304) - Drum Speed Detection PCB (C) 1 (UN24) - Drum Motor (C) (M25) - Drum Unit (C) - Drum Driver PCB (UN6) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Clean the Drum Speed Detection PCB (C) 1 and the Encoder Wheel. 2. Set the Drum Unit (C) again. 3. Check/replace the related harness/cable, connector and parts.

• Code: 012-0303-05
• Description: Drum speed detection error (C)
• Causes: The Drum Speed Detection PCB (C) 2 detected a rotation signal error.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1906) and the Drum Speed Detection PCB (C) 2 (UN25/J7313) - Drum Speed Detection PCB (C) 2 (UN25) - Drum Driver PCB (UN6) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Clean the Drum Speed Detection PCB (C) 2. 2. Check/replace the related harness/cable, connector and parts.

• Code: 012-0306-05
• Description: Drum Motor (C) rotation error
• Causes: The Drum Motor (C) is not rotating at the specified speed, or it is stopped.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1906) and the Drum Motor (C) (M25/J7304) - Drum Motor (C) (M25) - ITB Cleaning Blade - Drum Driver PCB (UN6) [Remedy] Perform the following in the order while checking whether the error is cleared. - Check that the Intermediate Transfer Belt is not displaced. - Check/replace the related harness/cable, connector and parts.