• Code: E407-0002
• Description: Failure of the tray up/down motor (M8). Even when the tray up/down motor (M8) is driven, the paper surface sensor (SR6) is not turned ON within a specified period.
• Remedy: 1. Check that after Lifter is lifted fully, it is located in the correct position. (Check the engagement with the Gear.) 2. Check the Tray Lifter Motor, and also check whether shifting operation is performed normally. 3. Check the connection between Paper Surface Sensor and DADF Driver PCB, and check that the Cable is not open-circuit. 4. Replace the DADF Driver PCB. 5. Replace the Tray Lifter Motor.

• Code: E413-0001
• Description: Failure of the DADF Disengagement motor 1 (M6). Even when the DADF Disengagement motor 1 (M6) is driven, the DADF Disengaging home position sensor 1 (SR15) is not turned ON within a specified period
• Remedy: 1. Open the DADF Front Cover, and then check the operation of active Disengagement Motor 1. 2. Check the physical position of Disengaging HP Sensor 1 and its flag. 3. Check that the Cable of Disengaging HP Sensor 1 is not open-circuit. 4. Replace the DADF Driver PCB.

• Code: E413-0002
• Description: Failure of the DADF Disengagement motor 1 (M6). Even when the DADF Disengagement motor 1 (M6) is driven, the DADF Disengaging home position sensor 1 (SR15) is not turned OFF within a specified period.
• Remedy: 1. Open the DADF Front Cover, and then check the operation of active Disengagement Motor 1. 2. Check the physical position of Disengaging HP Sensor 1 and its flag. 3. Check that the Cable of Disengaging HP Sensor 1 is not open-circuit. 4. Replace the DADF Driver PCB.

• Code: E413-0011
• Description: Failure of the DADF Disengagement motor 2 (M7). Even when the DADF Disengagement motor 2 (M7) is driven, the DADF Disengaging home position sensor 2 (SR16) is not turned ON within a specified period.
• Remedy: 1. Open the DADF Front Cover, and then check the operation of active Disengagement Motor 2. 2. Check the physical position of Disengaging HP Sensor 2 and its flag. 3. Check that the Cable of Disengaging HP Sensor 2 is not open-circuit. 4. Replace the DADF Driver PCB.

• Code: E413-0012
• Description: Failure of the DADF Disengagement motor 2 (M7). Even when the DADF Disengagement motor 2 (M7) is driven, the DADF Disengaging home position sensor 2 (SR16) is not turned OFF within a specified period.
• Remedy: 1. Open the DADF Front Cover, and then check the operation of active Disengagement Motor 2. 2. Check the physical position of Disengaging HP Sensor 2 and its flag. 3. Check that the Cable of Disengaging HP Sensor 2 is not open-circuit. 4. Replace the DADF Driver PCB.

• Code: E423-0001
• Description: DADF SDRAM error. SDRAM access error
• Remedy: 1. Turn OFF and then ON the power. 2. Check the connection between Reader and Printer, and check that the Cable is not open-circuit. 3. Replace the Reader Controller PCB.

• Code: E423-0002
• Description: DADF SDRAM error. SDRAM Verify error
• Remedy: 1. Turn OFF and then ON the power. 2. Check the connection between Reader and Printer, and check that the Cable is not open-circuit. 3. Replace the Reader Controller PCB.

• Code: E490-0001
• Description: DADF model mismatch error. An DADF that is not supported is installed.
• Remedy: 1. Using the service mode, check if the installed DADF model is the same model which was set in the service mode. 2. Check the connection between Reader Controller PCB and DADF Driver PCB, and check that the Cable is not open-circuit. 3. Replace the DADF Driver PCB. 4. Replace the Reader Controller PCB.