• Code: E510
• Description: Stop jam in the ADU: The paper does not reach the ADU exit sensor after it has passed the ADU entrance sensor.
• Remedy: Open the ADU. Is there any paper in front of the ADU exit sensor? YES Remove the paper. NO Is the ADU exit sensor working? (Perform the input check in the test mode: 03-[FAX]OFF/[1]/[G]) NO 1) Check if the connector of the ADU exit sensor is disconnected. 2) Check if either of the connectors CN562 or CN213 on the ADU board is disconnected. 3) Check if the connector CN304 on the LGC board is disconnected. 4) Check if the connector pins are disconnected and the harnesses are open circuited. 5) Check if the conductor patterns on the ADU board and LGC board are short circuited or open circuited. 6) Replace the ADU exit sensor. 7) Replace the ADU board. 8) Replace the LGC board. YES Is the ADU clutch working? (Perform the output check in the test mode: 03-222) NO 1) Check if the connector of the ADU clutch is disconnected. 2) Check if the connector CN304 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 ADU clutch. 6) Replace the LGC board. YES Check the rollers in the ADU. Replace them if they are worn out.

• Code: E520
• Description: Jam not reaching the ADU entrance sensor: The paper does not reach the ADU entrance sensor after it is switchbacked in the exit section.
• Remedy: Open the ADU. Is there any paper in front of the ADU entrance sensor? YES Remove the paper. NO Is the ADU entrance sensor working? (Perform the input check in the test mode: 03-[FAX]OFF/[1]/[H]) NO 1) Check if the connector of the ADU entrance sensor is disconnected. 2) Check if either of the connectors CN562 or CN214 on the ADU board is disconnected. 3) Check if the connector CN304 on the LGC board is disconnected. 4) Check if the connector pins are disconnected and the harnesses are open circuited. 5) Check if the conductor patterns on the ADU board and LGC board are short circuited or open circuited. 6) Replace the ADU entrance sensor. 7) Replace the ADU board. 8) Replace the LGC board. YES Is the exit motor (rotating in reverse) working? (Perform the output check in the test mode: 03-121/171) NO 1) Check if the connector of the exit motor is disconnected. 2) Check if the connector CN306 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 exit motor. 6) Replace the LGC board. YES Is the ADU motor working? (Perform the output check in the test mode: 03-110/160) NO 1) Check if the connector of the ADU motor is disconnected. 2) Check if any of the connectors CN562, CN563 and CN215 on the ADU board is disconnected. 3) Check if the connector CN304 on the LGC board is disconnected. 4) Check if the connector pins are disconnected and the harnesses are open circuited. 5) Check if the conductor patterns on the ADU board and LGC board are short circuited or open circuited. 6) Replace the ADU motor. 7) Replace the ADU board. 8) Replace the LGC board. YES Check the rollers in the ADU and the exit roller of the equipment. Replace them if they are worn out.

• Code: E550
• Description: Paper remaining jam on the transport path: The paper is remaining on the transport path when printing is finished (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 Replace the LGC board.
  Registration area Transfer cover Registration sensor 03-[FAX]ON/[2]/[A] 1st transport sensor 03-[FAX]OFF/[6]/[E] Exit area Transfer cover Exit sensor 03-[FAX]ON/[2]/[B] ADU ADU ADU entrance sensor 03-[FAX]OFF/[1]/[H] ADU exit sensor 03-[FAX]OFF/[1]/[G] Feeding area (Main unit) Side cover 2nd transport sensor 03-[FAX]OFF/[7]/[E] LCF LCF side cover LCF feed sensor 03-[FAX]OFF/[5]/[G] PFP PFP side cover PFP upper drawer feed sensor 03-[FAX]OFF/[2]/[D] PFP lower drawer feed sensor 03-[FAX]OFF/[4]/[D] Bridge unit Bridge unit Bridge unit transport sensor-1 03-[FAX]ON/[3]/[H] Bridge unit transport sensor-2 03-[FAX]ON/[3]/[E] JSP JSP cover JSP feed sensor 03-[FAX]ON/[3]/[H] OCT OCT cover OCT feed sensor 03-[FAX]ON/[3]/[H] Finisher Finisher door Sensors in the finisher -

• Code: E711
• Description: Jam not reaching the original length sensor: The original fed from the original feeding tray does not reach the original length sensor.
• Remedy: Are the pickup roller, feed roller and separation roller stained or worn out? YES Clean the rollers or replace them. NO Is the original excessively curled or folded? YES Flatten and set it again. NO Are the original length sensor and registration sensor working? (Perform the input check: 03-[FAX]ON/[8]/[E], /[7]/[H]) NO 1) Check if the connectors of the original length sensor and registration sensor are disconnected. 2) Check if the connector CN3 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 original length sensor and registration sensor. 6) Replace the RADF board. YES Replace the RADF board.

• Code: E712
• Description: Jam not reaching the registration sensor: The original fed from the original feeding tray does not reach the registration sensor.
• Remedy: Are the pickup roller, feed roller and separation roller stained or worn out? YES Clean the rollers or replace them. NO Is the original excessively curled or folded? YES Flatten and set it again. NO Are the original length sensor and registration sensor working? (Perform the input check: 03-[FAX]ON/[8]/[E], /[7]/[H]) NO 1) Check if the connectors of the original length sensor and registration sensor are disconnected. 2) Check if the connector CN3 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 original length sensor and registration sensor. 6) Replace the RADF board. YES Replace the RADF board.

• Code: E713
• Description: Stop jam at the original length sensor: The trailing edge of the original does not pass the original length sensor after its leading edge has reached this sensor.
• Remedy: Are the pickup roller, feed roller and separation roller stained or worn out? YES Clean the rollers or replace them. NO Is the original excessively curled or folded? YES Flatten and set it again. NO Are the original length sensor and registration sensor working? (Perform the input check: 03-[FAX]ON/[8]/[E], /[7]/[H]) NO 1) Check if the connectors of the original length sensor and registration sensor are disconnected. 2) Check if the connector CN3 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 original length sensor and registration sensor. 6) Replace the RADF board. YES Replace the RADF board.

• Code: E714
• Description: Feed signal reception jam: The feed signal is received even no original exists on the original feeding tray.
• Remedy: Is the empty sensor working? (Perform the input check: 03-[FAX]ON/[7]/[B]) NO 1) Check if the lever of empty sensor is working normally. 2) Check if the connector of the empty sensor is disconnected. 3) Check if the connector CN5 on the RADF 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 RADF board is short circuited or open circuited. 6) Replace the empty sensor. 7) Replace the RADF board. YES Replace the RADF board.

• 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 CN6 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.