• Code: E721
• Description: Jam not reaching the read sensor: The original does not reach the read sensor after it has passed the registration sensor (when scanning obverse side) or the reverse sensor (when scanning reverse side).
• Remedy: Are the registration roller and read roller stained? → YES → Clean the rollers. NO Is the read sensor working? (Perform the input check: 03-[FAX]ON/[7]/[G]) ↓→ NO → 1) Check if the connector of the read sensor are disconnected. 2) Check if the connector CN75 on the RADF board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Check if the conductor pattern on the RADF board is short circuited or open circuited. 5) Replace the read sensor. 6) Replace the RADF board. YES Replace the RADF board.

• Code: E722
• Description: Jam not reaching the original exit/reverse sensor (during scanning): The original which passed the read sensor does not reach the original exit/reverse sensor when it is transported from the scanning section to exit section.
• Remedy: Is the read roller stained? → YES → Clean the roller. NO Are the exit sensor and reverse sensor working? (Perform the input check: 03-[FAX]ON/[7]/[E], [7]/[F]) ↓→ NO → 1) Check if the connectors of the exit sensor and reverse sensor are disconnected. 2) Check if the connector CN75 on the RADF board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Check if the conductor pattern on the RADF board is short circuited or open circuited. 5) Replace the exit sensor and reverse sensor. 6) Replace the RADF board. YES Replace the RADF board.

• Code: E724
• Description: Stop jam at the original registration sensor: The trailing edge of the original does not pass the original registration sensor after its leading edge has reached this sensor.
• Remedy: Is the registration roller stained? → YES → Clean the roller. NO Is the registration sensor working? (Perform the input check: 03-[FAX]ON/[7]/[H]) ↓→ NO → 1) Check if the connector of the registration sensor is disconnected. 2) Check if the connector CN74 on the RADF board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Check if the conductor pattern on the RADF board is short circuited or open circuited. 5) Replace the registration sensor. 6) Replace the RADF board. YES Replace the RADF board

• Code: E725
• Description: Stop jam at the read sensor: The trailing edge of the original does not pass the read sensor after its leading edge has reached this sensor.
• Remedy: Is the read roller stained? → YES → Clean the roller. NO Is the read sensor working? (Perform the input check: 03-[FAX]ON/[7]/[G]) ↓→ NO → 1) Check if the connector of the read sensor is disconnected. 2) Check if the connector CN75 on the RADF board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Check if the conductor pattern on the RADF board is short circuited or open circuited. 5) Replace the read sensor. 6) Replace the RADF board. YES Replace the RADF board.

• Code: E731
• Description: Stop jam at the original exit/reverse sensor: The trailing edge of the original does not pass the original exit/reverse sensor after its leading edge has reached this sensor.
• Remedy: Is the exit roller stained? → YES → Clean the roller. NO Is the exit sensor working? (Perform the input check: 03-[FAX]ON/[7]/[E]) ↓→ NO → 1) Check if the connector of the exit sensor is disconnected. 2) Check if the connector CN75 on the RADF board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Check if the conductor pattern on the RADF board is short circuited or open circuited. 5) Replace the exit sensor. 6) Replace the RADF board. YES Replace the RADF board.

• Code: E860
• Description: RADF jam access cover open: The RADF jam access cover has opened during RADF operation.
• Remedy: Is the RADF jam access cover opened? → YES → Remove the original, if any, and close the jam access cover. NO Is the RADF jam access cover switch working? (Perform the input check: 03-[FAX]ON/[7]/[C]) ↓→ NO → 1) Check if the connector of the RADF jam access cover switch is disconnected. 2) Check if the connector CN72 on the RADF board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Check if the conductor pattern on the RADF board is short circuited or open circuited. 5) Replace the RADF jam access cover switch. 6) Replace the RADF board. YES Replace the RADF board.

• Code: E870
• Description: RADF open jam: RADF has opened during RADF operation
• Remedy: Is the RADF opened? → YES → Remove the original, if any, and close the RADF. NO Is the RADF opening/closing sensor adjusted within the specified range? → NO → Adjust the RADF opening/closing sensor. YES Is the RADF opening/closing sensor working? (Perform the input check: 03-[FAX]ON/[7]/[D]) ↓→ NO → 1) Check if the connector of the RADF opening/closing sensor is disconnected. 2) Check if the connector CN75 on the RADF board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Check if the conductor pattern on the RADF board is short circuited or open circuited. 5) Replace the RADF opening/closing sensor. 6) Replace the RADF board. YES Replace the RADF board.

• Code: E910
• Description: Jam at the bridge unit transport sensor 1: The paper does not reach the bridge unit transport sensor 1 after it has passed the exit sensor.
• Remedy: Is there any paper remaining inside the bridge unit? → YES → Remove the paper. NO Are the bridge unit transport sensors-1 and -2 working? (Perform the input check:03-[FAX]ON/[0]/[C], /[0]/[A]) ↓→ NO → 1) Check if the connectors of the bridge unit transport sensors-1 and -2 are disconnected. 2) Check if the connector J510 of the bridge unit is disconnected. 3) Check if the connector CN353 on the LGC board is disconnected. 4) Check if the connector pins are disconnected or the harnesses are open circuited. 5) Check if the conductor pattern on the LGC board is short circuited or open circuited. 6) Replace the bridge unit transport sensors-1 and -2. 7) Replace the LGC board. YES Is the bridge unit gate solenoid working? (Perform the output check: 03-232) ↓→ NO → 1) Check if the connector J510 of the bridge unit is disconnected. 2) Check if the connector CN353 on the LGC board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Replace the bridge unit gate solenoid. 5) Replace the LGC board. YES Does the transport roller of the bridge unit work when the main motor is rotated? (Perform the output check: 03-101/151) → NO → Check the drive system of the equipment and bridge unit. YES Check if the rollers in the bridge unit are worn out.