• Code: E110
• Description: Jam not reaching the registration sensor
• Causes: Registration sensor ADU clutch MAIN board Rollers in the ADU
• Remedy: 1 Open the ADU. Is there any paper in front of the registration sensor? Yes Remove the paper. No 2 2 Is the registration sensor working? (Perform the input check in the test mode: 03-[A]/ [A]) Yes 3 No • Check if the connector of the registration sensor is disconnected. • Check if the connector CN22 on the MAIN board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the registration sensor. 3 Is the ADU clutch working? (Perform the output check in the test mode: 03-222) Yes 4 No • Check if the connector of the ADU clutch is disconnected. • Check if the connector CN17 on the MAIN board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the ADU clutch. 4 Rollers in the ADU • Check the rollers in the ADU. Replace them if they are worn out.

• Code: E120
• Description: Bypass misfeeding. Jam not reaching the registration sensor
• Causes: MAIN board Bypass feed clutch Bypass paper sensor Bypass feed roller Separation pad
• Remedy: 1 Open the right cover. Is there any paper on the transport path? Yes Remove the paper. No 2 2 Is the bypass feed clutch working? (Perform the output check in the test mode: 03-204) Is the bypass paper sensor working? (Perform the input check in the test mode: 03-[4]/[F]) Yes 3 No • Check if the connector of the bypass feed clutch and bypass paper sensor are disconnected. • Check if the connector CN22 on the MAIN board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the bypass feed clutch and bypass paper sensor. • Replace the MAIN board. 3 Bypass feed roller Bypass separation pad • Check the bypass feed roller and bypass separation pad. Replace them if they are worn out.

• Code: E130
• Description: 1st drawer misfeeding. Jam not reaching the registration sensor
• Causes: MAIN board Upper drawer feed clutch Upper drawer feed roller Separation roller
• Remedy: 1 Open the right cover. Is there any paper on the transport path? Yes Remove the paper. No 2 2 Is the drawer feed clutch working? (Perform the output check in the test mode: 03-201) Yes 4 No • Check if the connector of the drawer feed clutch is disconnected. • Check if the connector CN22 on the MAIN board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the drawer feed clutch. • Replace the MAIN board. 3 1st drawer feed roller Separation roller • Check the drawer feed roller and separation roller. Replace them if they are worn out.

• Code: E410
• Description: Toner supply cover opened during printing. Toner supply cover open jam
• Causes: Toner supply cover opening/ closing switch MAIN board
• Remedy: 1 Is the toner supply cover open? Yes Close the cover. No 2 2 Is the toner supply cover opening/closing switch working? (Perform the input check in the test mode: 03-[A]/ [D]) Yes 3 No • Check if the connector of the toner supply cover opening/closing switch is disconnected. • Check if the connector CN15 on the MAIN board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the toner supply cover opening/ closing switch. 3 Is the voltage of 24V being supplied from the power supply unit? (Perform the input check in the test mode: 03-[6]/ [A]) Yes 4 No • Check if the connector for 24 V power supply is disconnected. • Check if the connector CN25 on the MAIN board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. 4 MAIN board • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the MAIN board.

• Code: E430
• Description: Right cover opened during printing (When ADU is installed). Right cover open jam
• Causes: Right cover opening/closing switch MAIN board
• Remedy: 1 Is the right cover open? Yes Remove the paper if there is any, then close the right cover. No 2 2 Is the right cover opening/ closing switch working? (Perform the input check in the test mode: 03-[6]/ [A]) Yes 3 No • Check if the connector of the right cover opening/closing switch is disconnected. • Check if the connector CN25 on the MAIN board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor patterns on the MAIN board are short circuited or open circuited. • Replace the right cover opening/closing switch. 3 MAIN board • Replace the MAIN board.

• Code: E510
• Description: ADU stack jam (paper not reaching the ADU transfer sensor. Jam not reaching the ADU transfer sensor
• Causes: ADU transfer sensor MAIN board Exit motor ADU exit sensor Rollers in the ADU Exit roller
• Remedy: 1 Open the right cover. Is there any paper in front of the ADU transfer sensor? Yes Remove the paper. No 2 2 Is the ADU transfer sensor working? (Perform the input check in the test mode: 03-[FAX]OFF/[1]/ [C]) Yes 3 No • Check if the connector of the ADU transfer sensor is disconnected. • Check if the connector CN17 on the MAIN board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor patterns on the MAIN board are short circuited or open circuited. • Replace the ADU transfer sensor. • Replace the MAIN board. 3 Is the exit motor (rotating in reverse) working? (Perform the output check in the test mode: 03-121/ 171) Yes 4 No • Check if the connector of the exit motor is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Replace the exit motor. • Replace the MAIN board. 4 ADU • 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 on the transport path
• Causes: Sensor Refer to the following table MAIN 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 MAIN board is disconnected. • Check if the connector pins are disconnected and the harnesses are open circuited. • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the sensor. 3 MAIN board • Replace the MAIN board.

• Code: E552
• Description: Paper remaining jam on the transport path (when the cover is closed).
• Causes: Sensor in the jamming area Refer to the table below. MAIN 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 MAIN board • Harness check • Connector check • Board check