• Code: U3-3513, U3-3514
• Display: Original paper jam inside the scanner
• Description: Original jam has occurred around the scan in roller and regi roller.
• Remedy: 1) Check if the pick up motor operates normally. a) Check if the paper jam has occurred on DADF tray. 2) Open the ADF cover. Remove the paper on Guide-Pick up Assy. 3) Check if the actuator and pick up assy operate normally. a) Check the operation of the regi sensor actuator and feed out sensor actuator. b) If the regi sensor operation is OK, check the followings. i) Remove 1 screw and push the hook. ii) Release the Stacker by pulling it to the direction of arrow. iii) Release the rear cover. iv) Remove the Bracket Hinge. v) Remove the Cover-Open Assy. Remove 6 screws. And remove the bottom cover. vi) Check if the sensor and actuator are assembled correctly. 4) Check if there are any obstacles or contamination in the paper path. Remove it. 5) Close the ADF cover. 6) Open the DADF unit. a) Check if the reflection film is contaminated. Clean it. b) If the problem persists, check the followings. i) Open the DADF cover. ii) Pull the lever and release the pick up Assy. iii) Push and release the Stacker Assy. iv) Remove the Guide Pick Up Upper after removing 4 screws. v) Check if the sensor is assembled correctly. If the sensor is defective, replace it. 7) Check if the simplex scan sensor connector is connected correctly. 8) Close the DADF unit.

• Code: U3-3513, U3-3514
• Display: Original paper jam inside the scanner
• Description: Original jam has occurred around the scan in roller and regi roller.
• Remedy: 1) Check if the pick up motor operates normally. 2) Open the ADF cover. Check if the paper jam is occurred. 3) Pull the green lever of the Guide Exit Lower. Remove the jammed paper. 4) Check if there are any obstacles or contamination in the paper path. Remove it. 5) If the problem persists, check the followings. a) Remove the DADF Unit and white sponge. b) Open the Guide Exit Lower Assy. c) Check the sensor. d) Remove the screw. Check the sensor connection, If the connection is OK, replace the sensor. 6) Push the white bar. Check if it returns in original condition. 7) Close the DADF unit.

• Code: U3-3711, U3-3713, U3-3714
• Display: Original paper jam in the exit area of scanner
• Description: Original jam has occurred around the scan in roller and regi roller.
• Remedy: 1) Check if the pick up motor operates normally. 2) Open the ADF cover. Check if the paper jam is occurred. 3) Pull the green lever of the Guide Exit Lower. Remove the jammed paper. 4) Check if there are any obstacles or contamination in the paper path. Remove it. 5) If the problem persists, check the exit sensor and connection. a) Remove the DADF Unit and white sponge. b) Remove the Exit Lower after removing 4 screws. c) Check if the sensor and actuator are assembled correctly. 6) Push the white bar. Check if it returns in original condition. 7) Close the DADF unit.