• Code: 021-0201-05
• Description: Developing Sleeve Drive Motor (M) error
• Causes: The lock signal of the Developing Sleeve Drive Motor (M) could not be detected within the specified period of time.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1910) and the Developing Sleeve Drive Motor (M) (M22/J7536) - Developing Sleeve Drive Motor (M) (M22) - Developing Assembly (M) - Drum Driver PCB (UN6) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 021-0202-05
• Description: Developing Sleeve Drive Motor (M) error
• Causes: The Developing Sleeve Drive Motor (M) was unlocked although it had been locked once.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1910) and the Developing Sleeve Drive Motor (M) (M22/J7536) - Developing Sleeve Drive Motor (M) (M22) - Developing Assembly (M) - Drum Driver PCB (UN6) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 021-0301-05
• Description: Developing Sleeve Drive Motor (C) error
• Causes: The lock signal of the Developing Sleeve Drive Motor (C) could not be detected within the specified period of time.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1910) and the Developing Sleeve Drive Motor (C) (M24/J7537) - Developing Sleeve Drive Motor (C) (M24) - Developing Assembly (C) - Drum Driver PCB (UN6) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 021-0302-05
• Description: Developing Sleeve Drive Motor (C) error
• Causes: The Developing Sleeve Drive Motor (C) was unlocked although it had been locked once.
• Remedy: [Related parts] R1.00 - Harness between the Drum Driver PCB (UN6/J1910) and the Developing Sleeve Drive Motor (C) (M24/J7537) - Developing Sleeve Drive Motor (C) (M24) - Developing Assembly (C) - Drum Driver PCB (UN6) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 021-0401-05
• Description: Developing Sleeve Drive Motor (Bk) error
• Causes: The lock signal of the Developing Sleeve Drive Motor (Bk) could not be detected within the specified period of time.
• Remedy: [Related parts] R1.00 - Harness between the Multi Driver PCB (UN97/J1351) and the Developing Sleeve Drive Motor (Bk) (M18/J7538) - Developing Sleeve Drive Motor (Bk) (M18) - Developing Assembly (Bk) - Multi Driver PCB (UN97) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 021-0402-05
• Description: Developing Sleeve Drive Motor (Bk) error
• Causes: The Developing Sleeve Drive Motor (Bk) was unlocked although it had been locked once.
• Remedy: [Related parts] R1.00 - Harness between the Multi Driver PCB (UN97/J1351) and the Developing Sleeve Drive Motor (Bk) (M18/J7538) - Developing Sleeve Drive Motor (Bk) (M18) - Developing Assembly (Bk) - Multi Driver PCB (UN97) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 022-0001-05
• Description: Drum Cleaning and Waste Toner Feed Drive Motor error
• Causes: The lock signal of the Drum Cleaning and Waste Toner Feed Drive Motor could not be detected within the specified period of time.
• Remedy: [Related parts] R1.00 - Harness between the Multi Driver PCB (UN97/J1351) and the Drum Cleaning and Waste Toner Feed Drive Motor (M30/J7539) - Drum Cleaning and Waste Toner Feed Drive Motor (M30) - Multi Driver PCB (UN97) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Remove the clogged toner in the Waste Toner Pipe. 2. Check/replace the related harness/cable, connector and parts.

• Code: 022-0002-05
• Description: Drum Cleaning and Waste Toner Feed Drive Motor error
• Causes: The Drum Cleaning and Waste Toner Feed Drive Motor was unlocked although it had been locked once.
• Remedy: [Related parts] R1.00 - Harness between the Multi Driver PCB (UN97/J1351) and the Drum Cleaning and Waste Toner Feed Drive Motor (M30/J7539) - Drum Cleaning and Waste Toner Feed Drive Motor (M30) - Multi Driver PCB (UN97) [Remedy] Perform the following in the order while checking whether the error is cleared. 1. Remove the clogged toner in the Waste Toner Pipe. 2. Check/replace the related harness/cable, connector and parts.