• Code: 490-001
• Description: Charge unit cleaning motor K error The machine detects a short or open signal of the coil in the charge unit cleaning motor K (black).
• Causes: • Harness from IOB 1 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check the harness connection. 2. Replace the harness. 3. Replace the charge corona unit cleaning motor.

• Code: 490-002
• Description: Charge unit cleaning motor C error The machine detects a short or open signal of the coil in the charge unit cleaning motor C (cyan).
• Causes: • Harness from IOB 1 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check the harness connection. 2. Replace the harness. 3. Replace the charge corona unit cleaning motor.

• Code: 490-003
• Description: Charge unit cleaning motor M error The machine detects a short or open signal of the coil in the charge unit cleaning motor M (magenta).
• Causes: • Harness from IOB 1 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check the harness connection. 2. Replace the harness. 3. Replace the charge corona unit cleaning motor.

• Code: 490-004
• Description: Charge unit cleaning motor Y error The machine detects a short or open signal of the coil in the charge unit cleaning motor Y (yellow).
• Causes: • Harness from IOB 1 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check the harness connection. 2. Replace the harness. 3. Replace the charge corona unit cleaning motor.

• Code: 490-005
• Description: Drum motor K error The machine detects a short or open signal of the coil in the drum motor K (black).
• Causes: • Harness from IOB 1 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check the harness connection. 2. Replace the harness. 3. Replace the drum motor.

• Code: 490-006
• Description: Drum motor C error The machine detects a short or open signal of the coil in the drum motor C (cyan).
• Causes: • Harness from IOB 1 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check the harness connection. 2. Replace the harness. 3. Replace the drum motor.

• Code: 490-007
• Description: Drum motor M error The machine detects a short or open signal of the coil in the drum motor M (magenta).
• Causes: • Harness from IOB 1 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check the harness connection. 2. Replace the harness. 3. Replace the drum motor.

• Code: 490-008
• Description: Drum motor Y error The machine detects a short or open signal of the coil in the drum motor Y (yellow).
• Causes: • Harness from IOB 1 to this motor short, broken or disconnected • Coil in this motor short or open
• Remedy: 1. Check the harness connection. 2. Replace the harness. 3. Replace the drum motor.