Code :

Code: E280-0001
Description: Failure of communication between the reader controller PCB (PCB1) and the optical unit (reader). Communication does not start between the reader controller PCB and the front side optical unit within a specified period.
Remedy: 1. Turn OFF and then ON the power. 2. Check the connection between Reader Controller PCB and Scanner Unit PCB (Reader), and check that the Cable is not open-circuit. 3. Check the connection between Reader and Printer, and check that the Cable is not open-circuit. 4. Replace the Reader Controller PCB. 5. Replace the Scanner Unit (Reader).

Code: E280-0101
Description: Failure of communication between the reader controller PCB and the optical unit (DADF). Communication does not start between the reader controller PCB and the backside optical unit within a specified period.
Remedy: 1. Turn OFF and then ON the power. 2. Check the connection between Reader Controller PCB and Scanner Unit PCB (DADF), and check that the Cable is not open-circuit. 3. Check the connection between Reader and Printer, and check that the Cable is not open-circuit. 4. Replace the Reader Controller PCB. 5. Replace the Scanner Unit (DADF).

Code: E301-0001
Description: Front side light intensity failure. The light intensity amount at front side shading is less than the standard level.
Remedy: 1. Turn OFF and then ON the power. 2. Replace the Scanner Unit (Reader).

Code: E301-0101
Description: Backside light intensity failure. The light intensity amount at backside shading is less than the standard level.
Remedy: 1. Turn OFF and then ON the power. 2. Replace the Scanner Unit (DADF).

Code: E302-0001
Description: Front side shading failure. Shading RAM access failure occurred, or the shading value is less than or more than the specified level.
Remedy: 1. Check that the LED of the Scanner Unit (Reader) is lit. 2. Check the connection between Scanner Unit (Reader) and LED, and check that the Cable is not open-circuit. 3. Check the connection between Reader Controller PCB and Scanner Unit PCB (Reader), and check that the Cable is not open-circuit. 4. Check the condition of Shading White Plate of the Copyboard Glass (Reader) (scratches, dust, soil, etc.). 5. Check if Scanner unit HP Sensor detects HP correctly. (If it does not detect correctly, the Scanner Unit (Reader) reaches to the end when DADF is opened.) 6. Replace the Scanner Unit (Reader). 7. Replace the Reader Controller PCB.

Code: E302-0101
Description: Backside shading failure. Shading RAM access failure occurred, or the shading value is less than or more than the specified level.
Remedy: 1. Check that the LED of the Scanner Unit (DADF) is lit. 2. Check the connection between Scanner Unit (DADF) and LED, and check that the Cable is not open-circuit. 3. Check the connection between Reader Controller PCB and Scanner Unit PCB (DADF), and check that the Cable is not open-circuit. 4. Check the condition of Shading White Plate of the Reading Glass (scratches, dust, soil, etc.). 5. Check if Glass Shifting HP Sensor detects HP correctly. 6. Replace the Scanner Unit (DADF). 7. Replace the Reader Controller PCB.