• Code: E870
• Description: RADF open jam: RADF has opened during RADF operation.
• Remedy: 1. Close the RADF if it is opened. Remove if there is any original before closing it. 2. Is the RADF opening/closing sensor working? (Perform the input check: 03-[FAX]ON/[7]/[D]) * If it is working properly, proceed to 6. If not, check 3 to 5 below. 3. Check if the connector CN75 on the RADF board is disconnected from the RADF opening/ closing sensor or the harnesses are open circuited. Correct if any. 4. Replace the RADF opening/closing sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356). 6. Is the RADF opening/closing sensor adjusted within the specified range?

• Code: E871
• Description: Cover open jam in the read ready status: Jam caused by opening of the Original jam access cover or front cover while the RADF is waiting for the scanning start signal from the equipment.
• Remedy: 1. Close the Original jam access cover or the front cover if they are opened in the read ready status. 2. Is the Original jam access cover sensor working? (Perform the input check: 03-[FAX]ON/[7]/[C]) 3. Check if the connector CN75 on the RADF board is disconnected from the Original jam access cover sensor or the harnesses are open circuited. Correct if any. 4. Replace the Original jam access cover sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).

• Code: E890
• Description: ADF time out jam
• Remedy: 1. Check if there is any paper in the RADF. Remove it if there is. 2. Check if there is any paper in the equipment. Remove it if there is. 3. If a jam still occurs, turn the power OFF and then back ON to check if the equipment operates normally.

• 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: 1. Check if there is any paper in the bridge unit and remove it if there is. 2. Is the bridge unit transport sensor-1 working? (Perform the input check:03-[FAX]OFF/[5]/[F]) * If it is working properly, proceed to 6. If not, check 3 to 5 below. 3. Check if the connector CN334 on the LGC board is disconnected from the bridge unit transport sensor-1 (entrance sensor) or the harnesses are open circuited. Check if the connector J510 of the bridge unit is disconnected. Correct if any. 4. Replace the bridge unit transport sensor-1. 5. Replace the LGC board. 6. Is the bridge unit gate solenoid working? (Perform the output check: 03-232) * If it is working properly, proceed to 10. If not, check 7 to 9 below. 7. Check if the connector CN334 on the LGC board is disconnected from the bridge unit gate solenoid or the harnesses are open circuited. Check if the connector J510 of the bridge unit is disconnected. Correct if any. 8. Replace the bridge unit gate solenoid. 9. Replace the LGC board. 10.Does the transport roller of the bridge unit work when the fuser motor is rotated? (Perform the output check: 03-113/163) * If it is working properly, proceed to 12. If not, check 11 below. 11.Check the drive system of the equipment and bridge unit. 12.Check if the rollers in the exit roller, the pressure spring and the bridge unit are worn out.

• Code: E920
• Description: Stop jam at the bridge unit transport sensor 1: The trailing edge of the paper does not pass the bridge unit transport sensor 1 after its leading edge has reached the sensor.
• Remedy: 1. Check if there is any paper in the bridge unit and remove it if there is. 2. Is the bridge unit transport sensor-1 working? (Perform the input check:03-[FAX]OFF/[5]/[F]) * If it is working properly, proceed to 6. If not, check 3 to 5 below. 3. Check if the connector CN334 on the LGC board is disconnected from the bridge unit transport sensor-1 (entrance sensor) or the harnesses are open circuited. Check if the connector J510 of the bridge unit is disconnected. Correct if any. 4. Replace the bridge unit transport sensor-1. 5. Replace the LGC board. 6. Is the bridge unit gate solenoid working? (Perform the output check: 03-232) * If it is working properly, proceed to 10. If not, check 7 to 9 below. 7. Check if the connector CN334 on the LGC board is disconnected from the bridge unit gate solenoid or the harnesses are open circuited. Check if the connector J510 of the bridge unit is disconnected. Correct if any. 8. Replace the bridge unit gate solenoid. 9. Replace the LGC board. 10.Does the transport roller of the bridge unit work when the fuser motor is rotated? (Perform the output check: 03-113/163) * If it is working properly, proceed to 12. If not, check 11 below. 11.Check the drive system of the equipment and bridge unit. 12.Check if the rollers in the exit roller, the pressure spring and the bridge unit are worn out.

• Code: E930
• Description: Jam at the bridge unit transport sensor 2: The trailing edge of the paper does not reach the bridge unit transport sensor 2 after its leading edge has reached the bridge unit transport sensor 1.
• Remedy: 1. Check if there is any paper in the bridge unit and remove it if there is. 2. Is the bridge unit transport sensor-2 working? (Perform the input check:03-[FAX]OFF/[5]/[D]) * If it is working properly, proceed to 6. If not, check 3 to 5 below. 3. Check if the connector CN334 on the LGC board is disconnected from the bridge unit transport sensor-2 (exit sensor) or the harnesses are open circuited. Check if the connector J510 of the bridge unit is disconnected. Correct if any. 4. Replace the bridge unit transport sensor-2. 5. Replace the LGC board. 6. Does the transport roller of the bridge unit work when the fuser motor is rotated? (Perform the output check: 03-113/163) * If it is working properly, proceed to 10. If not, check 7 to 9 below. 7. Check the drive system of the equipment and bridge unit. 8. Check if the rollers in the exit roller, the pressure spring and the bridge unit are worn out. 9. Replace the LGC board. 10.Does the transport roller of the bridge unit work when the fuser motor is rotated? (Perform the output check: 03-113/163) * If it is working properly, proceed to 12. If not, check 11 below. 11.Check the drive system of the equipment and bridge unit. 12.Check if the rollers in the exit roller, the pressure spring and the bridge unit are worn out.

• Code: E940
• Description: Stop jam at the bridge unit transport sensor 2: The trailing edge of the paper does not pass the bridge unit transport sensor 2 after its leading edge has reached the bridge unit transport sensor 2.
• Remedy: 1. Check if there is any paper in the bridge unit and remove it if there is. 2. Is the bridge unit transport sensor-2 working? (Perform the input check:03-[FAX]OFF/[5]/[D]) * If it is working properly, proceed to 6. If not, check 3 to 5 below. 3. Check if the connector CN334 on the LGC board is disconnected from the bridge unit transport sensor-2 (exit sensor) or the harnesses are open circuited. Check if the connector J510 of the bridge unit is disconnected. Correct if any. 4. Replace the bridge unit transport sensor-2. 5. Replace the LGC board. 6. Does the transport roller of the bridge unit work when the fuser motor is rotated? (Perform the output check: 03-113/163) * If it is working properly, proceed to 10. If not, check 7 to 9 below. 7. Check the drive system of the equipment and bridge unit. 8. Check if the rollers in the exit roller, the pressure spring and the bridge unit are worn out. 9. Replace the LGC board. 10.Does the transport roller of the bridge unit work when the fuser motor is rotated? (Perform the output check: 03-113/163) * If it is working properly, proceed to 12. If not, check 11 below. 11.Check the drive system of the equipment and bridge unit. 12.Check if the rollers in the exit roller, the pressure spring and the bridge unit are worn out.

• Code: E970
• Description: Jam not reaching the lower paper exit sensor: Paper transported from the bridge unit does not reach the lower paper exit sensor.
• Remedy: 1. Is the lower paper exit sensor working? (Perform the input check: 03-[COPY]ON/[5]/[G]). * If it is working properly, proceed to 6. If not, check 2 to 5 below. 2. Check if the connector CN516 on the PFC board is disconnected from the exit sensor or the harnesses are open circuited. Correct if so. 3. Check if the lower paper exit sensor is correctly installed or the actuator is properly moved. 4. Replace the upper paper exit sensor. 5. Replace the PFC board. 6. Is the bridge unit transport exit motor working? (Perform the output check: 03-136) * If it is working properly, proceed to 10. If not, check 7 to 9 below. 7. Check if the connector CN515 on the PFC board is disconnected from the bridge unit transport exit motor or the harnesses are open circuited. Correct if so (including CN537, 539, 540 on the DRV board). 8. Replace the bridge unit transport exit motor. 9. Replace the PFC board. 10.Check if there is any abnormality on the driving section of the bridge unit transport exit motor or the roller. Correct if any.