• Code: E510
• 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.
• Causes: ADU entrance sensor LGC board Exit motor / Reverse motor Rollers in the ADU Exit roller
• Remedy: 1 Open the ADU. Is there any paper in front of the ADU entrance sensor? Yes Remove the paper. No 2 2 Is the ADU entrance sensor working? (Perform the input check in the test mode: FS-03-[ALL]OFF/ [9]/[G]) Yes 3 No • Check if the connector of the ADU entrance sensor is disconnected. • Check if the connector CN321 on the LGC board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor patterns on the ADU board and LGC board are short circuited or open circuited. • Replace the ADU entrance sensor. • Replace the ADU board. • Replace the LGC board. 3 Is the exit motor / reverse motor (rotating in reverse) working? (Perform the output check in the test mode: FS-03- 121/171) Yes 4 No [20ppm/25ppm/30ppm] • Check if the connector of the exit motor is disconnected. (J609, J611) • Check if the connector CN324 on the LGC board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Replace the exit motor. • Replace the LGC board. [35ppm/45ppm/50ppm] • Check if the connector of the reverse motor is disconnected. (J609, J611) • Check if the connector CN307 on the LGC board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Replace the reverse motor. • Replace the LGC board. 4 ADU • Check the rollers in the ADU and the exit roller of the equipment. Replace them if they are worn out.

• Code: E520
• Description: Stop jam in the ADU: The paper does not reach the ADU exit sensor after it has passed the ADU entrance sensor.
• Causes: ADU exit sensor ADU motor LGC board ADU exit sensor ADU board Rollers in the ADU
• Remedy: 1 Open the ADU. Is there any paper in front of the ADU exit sensor? Yes Remove the paper. No 2 2 Is the ADU exit sensor working? (Perform the input check in the test mode: FS-03- [ALL]OFF/[9]/[H]) Yes 3 No • Check if the connector of the ADU exit sensor is disconnected. • Check if the connector CN321 on the LGC board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor patterns on the LGC board or ADU board are short circuited or open circuited. • Replace the ADU exit sensor. • Replace the ADU board. • Replace the LGC board. 3 Is the ADU motor working? (Perform the output check in the test mode: FS-03-110/160) Yes 4 No • Check if the connector of the ADU motor is disconnected. • Check if the connector CN420 and CN422 on the ADU board is disconnected. • Check if the connector CN321 on the LGC board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor patterns on the LGC board and ADU board are short circuited or open circuited. • Replace the ADU motor. • Replace the ADU board. • Replace the LGC board. 4 ADU • Check the rollers in the ADU. 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)
• Causes: Sensor. LGC board
• Remedy: 1 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 2 2 Is the sensor in the jamming area working? (Perform the input check in the test mode: refer to the following table) Yes 3 No • Check if the connector of the sensor is disconnected. • Check if any of the connectors on the LGC board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor pattern on the LGC board is short circuited or open circuited. • Replace the sensor. • Replace the LGC board. 3 LGC board • Replace the LGC board.
  Registration area Automatic duplexing unit Registration sensor FS-03-[ALL]OFF/[9]/[A] 1st transport sensor FS-03-[ALL]OFF/[9]/[B] Exit area Automatic duplexing unit Exit sensor FS-03-[ALL]OFF/[9]/[C] ADU ADU ADU entrance sensor FS-03-[ALL]OFF/[9]/[G] ADU exit sensor FS-03-[ALL]OFF/[9]/[H] Feeding area (Main unit) Feed cover 2nd transport sensor FS-03-[F3]ON/[4]/[D] LCF LCF side cover LCF feed sensor FS-03-[F1]ON/[9]/[F] PFP PFP side cover PFP upper drawer feed sensor FS-03-[F3]ON/[0]/[C] PFP lower drawer feed sensor FS-03-[F3]ON/[0]/[D] Bridge unit Bridge unit Bridge unit transport sensor-1 FS-03-[ALL]OFF/[0]/[A] Bridge unit transport sensor-2 FS-03-[ALL]OFF/[0]/[B] JSP JSP cover JSP feed sensor FS-03-[ALL]OFF/[0]/[A] Finisher Finisher door Sensors in the finisher

• Code: E551
• Description: Paper remaining jam on the transport path (when a service call occurs)
• Causes: Sensor in the jamming area. LGC board
• Remedy: 1 Jamming transport path Open the cover of the unit/area whose picture is flashing on the control panel and remove any paper on the transport path. 2 Sensor in the jamming area • Sensor check (Refer to the table below) • Harness check • Connector check 3 LGC board • Harness check • Connector check • Board check Notes: If the jam is occurring in the ADU, LCF or PFP, check the board in each unit.
  Paper path section Side cover Registration sensor FS-03-[ALL]OFF/[9]/[A] 1st transport sensor FS-03-[ALL]OFF/[9]/[B] Fuser Fuser / paper exit unit Exit sensor FS-03-[ALL]OFF/[9]/[C] Reverse sensor FS-03-[ALL]OFF/[9]/[D]

• Code: E552
• Description: Paper remaining jam on the transport path (when the cover is closed)
• Causes: Sensor in the jamming area. LGC board
• Remedy: 1 Jamming transport path Open the cover of the unit/area whose picture is flashing on the control panel and remove any paper on the transport path. 2 Sensor in the jamming area • Sensor check (Refer to the table below) • Harness check • Connector check 3 LGC board • Harness check • Connector check • Board check Notes: If the jam is occurring in the ADU, LCF or PFP, check the board in each unit.
  Paper path section Side cover Registration sensor FS-03-[ALL]OFF/[9]/[A] 1st transport sensor FS-03-[ALL]OFF/[9]/[B] Fuser Fuser / paper exit unit Exit sensor FS-03-[ALL]OFF/[9]/[C] Reverse sensor FS-03-[ALL]OFF/[9]/[D]

• Code: E570
• Description: Jam not reaching the reverse sensor: The paper which has passed the exit sensor does not reach the reverse sensor.
• Causes: Reverse sensor LGC board Exit roller Reverse motor ADU board
• Remedy: 1 Checking of paper • Open the ADU and remove paper if there is any on the transport path. * If the error still occurs, check the following: 2 2 Is the reverse sensor working? (Perform the input check in the test mode: FS-03-[ALL]OFF/ [9]/[D]) Yes 3 No - Check if the connector pins are disconnected or the harnesses are open circuited between the reverse sensor and the connector on the LGC board. Correct if there is any (CN321, CN420, CN421) abnormality. - Check if the conductor patterns on the LGC board or ADU board are short circuited or open circuited. - Replace the reverse sensor. - Replace the ADU board. - Replace the LGC board. 3 Is the reverse motor working? (Perform the output check in the test mode: FS-03-120/121) Yes Check the exit roller. Replace it if it is worn out. No • Check if the connector pins are disconnected or the harnesses are open circuited between the reverse motor and the connector on the LGC board. Correct if there is any abnormality. (CN321, CN420, CN422) • Replace the reverse motor. • Replace the ADU board. • Replace the LGC board.

• Code: E580
• Description: Stop jam at the reverse sensor: The trailing edge of the paper does not pass the reverse sensor after its leading edge has reached this sensor.
• Causes: Reverse sensor LGC board Exit roller Reverse motor ADU board
• Remedy: dure Check item Result Measure Next Step 1 Checking of paper • Open the ADU and remove paper if there is any on the transport path. * If the error still occurs, check the following: 2 2 Is the reverse sensor working? (Perform the input check in the test mode: FS-03-[ALL]OFF/ [9]/[D]) Yes 3 No - Check if the connector pins are disconnected or the harnesses are open circuited between the reverse sensor and the connector on the LGC board. Correct if there is any (CN321, CN420, CN421) abnormality. - Check if the conductor patterns on the LGC board or ADU board are short circuited or open circuited. - Replace the reverse sensor. - Replace the ADU board. - Replace the LGC board. 3 Is the reverse motor working? (Perform the output check in the test mode: FS-03-120/121) Yes Check the exit roller. Replace it if it is worn out. No • Check if the connector pins are disconnected or the harnesses are open circuited between the reverse motor and the connector on the LGC board. Correct if there is any abnormality. (CN321, CN420, CN422) • Replace the reverse motor. • Replace the ADU board. • Replace the LGC board.

• Code: E712
• Description: Jam not reaching the registration sensor: The original fed from the original feeding tray does not reach the registration sensor.
• Causes: Original registration sensor RADF board Pickup roller Replace it if it is worn out Feed roller Replace it if it is worn out. Separation roller Replace it if it is worn out.
• Remedy: Pickup roller Feed roller Separation roller Clean them if there are stained. Original registration sensor • Sensor check (Perform the input check: FS-03-[F3]ON[7]/[H]) • Connector check (CN74, J88, J86) • Harness check RADF board • Board check • Connector check (CN74) • Harness check