• Code: 400-0003-04
• Description: Communication error
• Causes: Disconnection of the harness between the Reader Controller PCB and the DADF Driver PCB was detected.
• Remedy: [Related parts] - Harness between the DADF Driver PCB (UN03/J401) and the Reader Controller PCB (UN1/J104) (Unit of replacement: CABLE, FLAT) - Harness between the DADF Driver PCB (UN03/J402) and the Reader Controller PCB (UN1/J111) (Unit of replacement: CABLE, ADF POWER SUPPLY) - DADF Driver PCB (UN3) (Unit of replacement: DF DRIVER PCB ASSEMBLY) - Reader Controller PCB (UN1) (Unit of replacement: READER CONTROLLER PCB ASSEMBLY) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the Reader Controller PCB, back up the service mode data (approx. 2 min) and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMRES

• Code: 401-0001-04
• Description: Pickup Roller Unit Lifting HP Sensor error
• Causes: The Pickup Roller Unit Lifting HP Sensor in the DADF did not detect the ON status.
• Remedy: [Related parts] - Harnesses from the Pickup Roller Unit Lifting HP Sensor to the DADF Driver PCB 1. Pickup Roller Unit Lifting HP Sensor (SR11/J614) to Relay Connector (7P) (Unit of replacement: CABLE, PAPER PICK-UP REAR, UP.) 2. Relay Connector (7P) to DADF Driver PCB (UN03/J409) (Unit of replacement: CABLE, MAIN SENSOR) - Harness between the Pickup Roller Unit Lifting Motor (M1/J612) and the DADF Driver PCB (UN03/J403) (Unit of replacement: CABLE, REAR MOTOR, 2) - Pickup Roller Unit Lifting HP Sensor (SR11) - Pickup Roller Unit Lifting Motor (M1) - DADF Driver PCB (UN03) (Unit of replacement: DF DRIVER PCB ASSEMBLY) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 401-0002-04
• Description: Pickup Roller Unit Lifting HP Sensor error
• Causes: The Pickup Roller Unit Lifting HP Sensor in the DADF did not detect the OFF status.
• Remedy: [Related parts] - Harnesses from the Pickup Roller Unit Lifting HP Sensor to the DADF Driver PCB 1. Pickup Roller Unit Lifting HP Sensor (SR11/J614) to Relay Connector (7P) (Unit of replacement: CABLE, PAPER PICK-UP REAR, UP.) 2. Relay Connector (7P) to DADF Driver PCB (UN03/J409) (Unit of replacement: CABLE, MAIN SENSOR) - Harness between the Pickup Roller Unit Lifting Motor (M1/J612) and the DADF Driver PCB (UN03/J403) (Unit of replacement: CABLE, REAR MOTOR, 2) - Pickup Roller Unit Lifting HP Sensor (SR11) - Pickup Roller Unit Lifting Motor (M1) - DADF Driver PCB (UN03) (Unit of replacement: DF DRIVER PCB ASSEMBLY) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 407-0001-04
• Description: Tray Lifting Motor error
• Causes: The Tray HP Sensor in the DADF did not detect the ON/OFF status within the specified period of time.
• Remedy: [Related parts] - Harnesses from the Tray HP Sensor to the DADF Driver PCB 1. Tray HP Sensor (SR5/J605) to Relay Connector (3P) (Unit of replacement: CABLE, TRAY, LOWER) 2. Relay Connector (3P) to DADF Driver PCB (UN03/J410) (Unit of replacement: CABLE, MAIN SENSOR) - Tray HP Sensor (SR5) - Tray Lifting Motor (M7) - DADF Driver PCB (PCB1) (Unit of replacement: DF DRIVER PCB ASSEMBLY) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 407-0002-04
• Description: Tray Lifting Motor error
• Causes: The Paper Surface Sensor in the DADF was not turned ON within the specified period of time when lifting up the lifter.
• Remedy: [Related parts] - Harnesses from the Paper Surface Sensor to the DADF Driver PCB 1. Paper Surface Sensor (SR10/J613) to Relay Connector (7P) (Unit of replacement: CABLE, PAPER PICK-UP REAR, UP.) 2. Relay Connector (7P) to DADF Driver PCB (UN03/J409) (Unit of replacement: CABLE, MAIN SENSOR) - Paper Surface Sensor (SR10) - Tray Lifting Motor (M7) - DADF Driver PCB (PCB1) (Unit of replacement: DF DRIVER PCB ASSEMBLY) [Remedy] Check/replace the related harness/cable, connector and parts.

• Code: 412-0001-04
• Description: Fan error
• Causes: Rotation of fan was detected after the stop signal for the Scanner Unit Cooling Fan was transmitted.
• Remedy: [Related parts] - Harnesses from the Scanner Unit Cooling Fan to the Reader Controller PCB 1. Scanner Unit Cooling Fan (FM1/J125) to Relay Connector (3P) (Unit of replacement: CABLE, FAN) 2. Relay Connector (3P) to Relay Connector (3P) (Unit of replacement: CABLE, FAN CONNECTING, 2) 3. Relay Connector (3P) to Reader Controller PCB (UN1/J103) (Unit of replacement: CABLE, FAN) - Scanner Unit Cooling Fan (FM1) - Reader Controller PCB (PCB1) (Unit of replacement: READER CONTROLLER PCB ASSEMBLY) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the Reader Controller PCB, back up the service mode data (approx. 2 min) and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMRES

• Code: 412-0002-04
• Description: Fan error
• Causes: Stop of fan was detected after rotation signal for the Scanner Unit Cooling Fan was transmitted.
• Remedy: [Related parts] - Harnesses from the Scanner Unit Cooling Fan to the Reader Controller PCB 1. Scanner Unit Cooling Fan (FM1/J125) to Relay Connector (3P) (Unit of replacement: CABLE, FAN) 2. Relay Connector (3P) to Relay Connector (3P) (Unit of replacement: CABLE, FAN CONNECTING, 2) 3. Relay Connector (3P) to Reader Controller PCB (UN1/J103) (Unit of replacement: CABLE, FAN) - Scanner Unit Cooling Fan (FM1) - Reader Controller PCB (PCB1) (Unit of replacement: READER CONTROLLER PCB ASSEMBLY) [Remedy] Check/replace the related harness/cable, connector and parts. [Reference] Before replacing the Reader Controller PCB, back up the service mode data (approx. 2 min) and restore the backup data after the replacement so the data may be able to be protected. - Backup: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMBUP - Restoration: COPIER (LEVEL2)> FUNCTION> SYSTEM> RSRAMRES

• Code: 412-0005-04
• Description: Fan error
• Causes: Rotation of fan was detected after the stop signal for the DADF Cooling Fan 1/2 was transmitted.
• Remedy: [Related parts] - Harness between DADF Cooling Fan 2 (FM2/J620) and the DADF Driver PCB (UN03/J408) (Unit of replacement: CABLE, REAR MOTOR, 2) - DADF Cooling Fan 1 (FM1) - DADF Cooling Fan 2 (FM2) - DADF Driver PCB (UN03) (Unit of replacement: DF DRIVER PCB ASSEMBLY) [Remedy] Check/replace the related harness/cable, connector and parts.