• Code: E540
• Description: Transport jam during duplex printing (paper not reaching horizontal transport sensor-3): Paper which has passed the horizontal transport sensor-2 does not reach the horizontal transport sensor-3 during duplex printing.
• Remedy: (Perform the input check in the test mode: 03-[FAX]OFF/[9]/[H]) ↓ → NO → 1. Check if the connector of the Horizontal transport sensor-3 is not disconnected. 2. Check if the connector CN334 on the LGC board is not disconnected. 3. Check if the connector pins are not disconnected and the harness is not open circuited. 4. Check is the conductor pattern on the LGC board is not short- or open-circuited. 5. Replace the Horizontal transport sensor-3. 6. Replace the LGC board. YES Check the condition of the roller at the horizontal transport section and clean or replace it.

• Code: E550
• Description: Paper remaining jam at paper transport path: Paper is remaining on the paper transport path when the printing has finished. (Jam caused by a multiple paper feeding)
• Remedy: Open the cover of the unit/area whose picture is blinking on the control panel. Is there any paper on the transport path? → YES → Remove the paper. NO Is the sensor in the jamming area working? (Perform the input check in the test mode: refer to the following table) ↓ → NO→ 1. Check if the connector of the sensor is disconnected. 2. Check if any of the connectors on the LGC board is disconnected. 3. Check if the connector pins are disconnected and the harnesses are open circuited. 4. Check if the conductor pattern on the LGC board is short circuited or open circuited. 5. Replace the sensor. 6. Replace the LGC board. YES 1. Check if any multiple paper is fed from the drawer. 2. Replace the LGC board.
  Registration area Registration sensor 03-[FAX]ON/[4]/[E] Exit/Reverse area Exit sensor 03-[FAX]OFF/[7]/[B] Reverse sensor-1 03-[FAX]OFF/[7]/[E] Reverse sensor-2 03-[FAX]OFF/[7]/[D] Fuser transport sensor 03-[FAX]OFF/[7]/[C] Reverse transport area Horizontal transport sensor-1 03-[FAX]OFF/[9]/[F] Horizontal transport sensor-2 03-[FAX]OFF/[9]/[G] Horizontal transport sensor-3 03-[FAX]OFF/[9]/[H] Paper feeding area 1st drawer feed sensor 03-[FAX]OFF/[1]/[D] 2nd drawer feed sensor 03-[FAX]OFF/[2]/[D] 3rd drawer / tandem LCF feed sensor 03-[FAX]OFF/[3]/[D] 4th drawer feed sensor 03-[FAX]OFF/[4]/[D] 1st drawer transport sensor 03-[FAX]OFF/[1]/[C] 2nd drawer transport sensor 03-[FAX]OFF/[2]/[C] 3rd drawer / tandem LCF transport sensor 03-[FAX]OFF/[3]/[C] 4th drawer transport sensor 03-[FAX]OFF/[4]/[C] Intermediate transport sensor 03-[FAX]OFF/[1]/[A]

• Code: E570
• Description: Transport jam during duplex printing (paper not reaching reverse sensor-1): Paper which has passed the fuser unit transport sensor does not reach the reverse sensor-1 during duplex printing.
• Remedy: Is there any paper before the registration sensor when the exit cover is opened? → NO → Remove the paper. YES Is the reverse sensor 1 working? (Perform the input check in the test mode: 03-[FAX]OFF/[7]/[E]) ↓ → NO → 1. Check if the connector of the reverse sensor-1 is not disconnected. 2. Check if the connector CN335 on the LGC board is not disconnected. 3. Check if the connector pins are not disconnected and the harness is not open circuited. 4. Check if the conductor pattern on the LGC board is not short- or open circuited. 5. Replace the reverse sensor-1. 6. Replace the LGC board. YES Is the reverse motor driving? (Perform the output check in the test mode: 03-126) ↓ → NO → 1. Check if the connector of the reverse transport unit is not disconnected. 2. Check if the connector CN335 on the LGC board is not disconnected. 3. Check if the connector pins are not disconnected and the harness is not open circuited. 4. Check if the conductor pattern on the LGC board is not short- or open-circuited. 5. Replace the reverse moter. 6. Replace the LGC board YES Is the gate solenoid working? (Perform the output check in the test mode: 03-274) ↓ → NO → 1. Check if the connector of the gate solenoid is not disconnected. 2. Check if the connector CN335 on the LGC board is not disconnected. 3. Check if the connector pins are not disconnected and the harness is not open circuited. 4. Check if the conductor pattern on the LGC board is not short- or open-circuited. 5. Replace the gate solenoid. 6. Replace the LGC board YES 1. Check if there is no mechanical loading at the exit/reversal gate. 2. Check the myler at the reverse section and clean or replace it.

• Code: E580
• Description: Paper stopping at reverse section: The trailing edge of paper does not pass the reverse sensor-1 or reverse sensor-2 after its leading edge has reached the reverse sensor-1 or reverse sensor-2.
• Remedy: Is there any paper at the reverse section when the exit cover is opened? → NO → YES Is the reverse sensor- 1/2 working? (Perform the input check in the test mode: 03-[FAX]OFF/[7]/[D], [7]/[E]) ↓ → NO → 1. Check if the connector of the reverse sensor 1/2 is not disconnected. 2. Check if the connector CN335 on the LGC board is not disconnected. 3. Check if the connector pins are not disconnected and the harness is not open circuited. 4. Check if the conductor pattern on the LGC board is not short- or open-circuited. 5. Replace the reverse sensor- 1/2. 6. Replace the LGC board. YES 1. Check if the setting of the paper size is correct. 2. Check the condition of the roller at the reverse section and clean or replace it. 3. Check if there is no mechanical loading at the follower roller and no abnormality at the myler. 4. Check if the adjustment of the reverse motor speed (05-453/454/456) is appropriate. 5. Replace the reverse sensor-2 if it is drastically damaged.

• Code: E590
• Description: Paper stopping at exit section: The trailing edge of paper does not pass the exit sensor after its leading edge has reached the exit sensor.
• Remedy: Is there any paper at the reverse section when the exit cover is opened? → NO → Remove the paper. YES Is the exit motor driving? (Perform the output check in the test mode: 03-120) ↓ → NO → 1. Check if the connector of the exit motor is not disconnected. 2. Check if the connector CN336 on the LGC board is not disconnected. 3. Check if the connector pins are not disconnected and the harness is not open circuited. 4. Check if the conductor pattern on the LGC board is not short- or opencircuited. 5. Replace the LGC board. YES 1. Check if the setting of the paper size is correct. 2. Check if there is no abnormality and extraneous material at the guide and myler in front of the exit roller. 3. Check if there is no mechanical loading at the exit follower roller.

• Code: E5A0
• Description: Paper not reaching exit sensor: The leading edge of paper does not reach the exit sensor.
• Remedy: Is the exit sensor working? (Perform the input check in the test mode: 03-[FAX]ON/ [1]/[C]) ↓ → NO → 1. Check if the connector of the exit sensor is not disconnected. 2. Check if the connector CN335 on the LGC board is not disconnected. 3. Check if the connector pins are not disconnected and the harness is not open circuited. 4. Check if the conductor pattern on the LGC board is not short- or open circuited. 5. Replace the exit sensor. 6. Replace the LGC board. YES <Simple discharging> Is the gate solenoid working? (Perform the output check in the test mode: 03-274) ↓ → NO → 1. Check if the connector of the gate solenoid is not disconnected. 2. Check if the connector CN335 on the LGC board is not disconnected. 3. Check if the connector pins are not disconnected and the harness is not open circuited. 4. Check if the conductor pattern on the LGC board is not short- or open circuited. 5. Replace the LGC board. YES Replace the LGC board. <Reversal discharging> 1. Check if the setting of the paper size is correct. 2. Check if there is no abnormality and extraneous material at the guide and myler in front of the exit roller. * Perform 05-447 for thick paper to increase the value by 2 to 4.

• Code: E712
• Description: Jam not reaching the original registration sensor: The original fed from the original feeding tray does not reach the original registration sensor.
• Remedy: 1. Clean the pickup roller, feed roller and separation roller if they are stained. 2. Flatten the original if it is folded or excessively curled and place it again. 3. Is the original registration sensor working? (Perform the input check: 03-[FAX]ON/[7]/[H]) * If it is working properly, proceed to 7. If not, check 3 to 6. 4. Check if the connector CN74 on the RADF board is disconnected from the original registration sensor or the harnesses are open circuited. Correct if any. 5. Replace the original registration sensor. 6. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356). 7. Replace the pickup roller, feed roller and separation roller if they are worn out.

• Code: E714
• Description: Feed signal reception jam: The feed signal is received even no original exists on the original feeding tray.
• Remedy: 1. Is the original empty sensor working? (Perform the input check: 03-[FAX]ON/[7]/[B]) 2. Check if the lever of original empty sensor is working normally. 3. Check if the connector CN74 on the RADF board is disconnected from the original empty sensor or the harnesses are open circuited. Correct if any. 4. Replace the original empty sensor. 5. Replace the RADF board, and then perform the automatic adjustment for the original reading start sensor (05-356).