• Code: E330
• Description: PFP lower drawer transport jam (Paper not reaching the registration sensor): The paper does not reach the registration sensor after it has passed the PFP lower drawer feed sensor.
• Causes: Registration sensor MAIN board High-speed/low-speed transport clutches Feed roller Separation roller Pickup roller
• Remedy: 1 Open the Automatic duplexing unit. Is there 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. • Replace the MAIN board. 3 Are the (high-speed/lowspeed) clutches working? (Perform the output check in the test mode: 03-203, 205) Yes 4 No • Check if the connectors of the (high-speed/ low-speed) transport clutches are disconnected. • Check if the connector CN27 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 (high-speed/low-speed) transport clutches. • Replace the MAIN board. 4 Feed roller Separation roller Pickup roller Transfer roller • Check the condition of the feed roller, separation roller and pickup roller of each paper source, and replace them if they are worn out. • Check the transport roller. Replace it if it is worn out.

• Code: E340
• Description: PFP lower drawer transport jam (Paper not reaching the PFU feed sensor): The paper does not reach the PFU feed sensor after it has passed the PFP lower drawer feed sensor.
• Causes:
• Remedy: 1 Open the side cover. Is there paper in front of the PFU feed sensor? Yes Remove the paper. 2 No 2 Is the PFU feed sensor working? (Perform the input check in the test mode: 03-[1]/ [C]) Yes 3 No 1. Check if the connector of the registration sensor is disconnected. 2. Check if the connector CN27 on the MAIN 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 MAIN board is short circuited or open circuited. 5. Replace the registration sensor. 6. Replace the MAIN board. 3 Are the PFU transport clutches (High speed/Low speed) working? (Perform the output check in the test mode: 03-203, 205) Yes 4 No 1. Check if the connectors of the PFU transport clutches (High speed/Low speed) are disconnected. 2. Check if the connector CN27 on the MAIN 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 MAIN board is short circuited or open circuited. 5. Replace the PFU transport clutches (High speed/Low speed). 6. Replace the MAIN board. 4 Is the PFP transport clutch working? (Perform the output check in the test mode: 03-225) Yes 5 No 1. Check if the connector of the PFP transport clutch is disconnected. 2. Check if any of the connectors CN410 and CN413 on the PFP board is disconnected. 3. Check if the connector CN26 on the MAIN 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 PFP board and MAIN board are short circuited or open circuited. 6. Replace the PFP transport clutch. 7. Replace the PFP board. 8. Replace the MAIN board. 5 1. Check the condition of the feed roller, separation roller and pickup roller of each paper source, and replace them if they are worn out. 2. Check the transport roller. Replace it if it is worn out.

• Code: E360
• Description: PFP lower drawer transport jam (Paper not reaching the PFP upper drawer feed sensor): The paper does not reach the PFP upper drawer feed sensor after it has passed the PFP lower drawer feed sensor.
• Causes: PFP upper drawer feed sensor PFP board MAIN board PFP transport clutch Feed roller Separation roller Pickup roller PFP transport roller
• Remedy: 1 Open the PFP side cover. Is there any paper in front of the PFP upper drawer feed sensor? Yes Remove the paper. No 2 2 Is the PFP upper drawer feed sensor working? (Perform the input check in the test mode: 03- [FAX]OFF/[7]/[A]) Yes 3 No • Check if the connector of the PFP upper drawer feed sensor is disconnected. • Check if either of the connectors CN410 on the PFP board is disconnected. • Check if the connector CN26 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 PFP board and MAIN board are short circuited or open circuited. • Replace the PFP upper drawer feed sensor. • Replace the PFP board. • Replace the MAIN board. 3 Is the PFP feed clutch working? (Perform the output check in the test mode: 03-226) Yes 4 No • Check if the connector of the PFP transport clutch is disconnected. • Check if any of the connectors CN410 on the PFP board is disconnected. • Check if the connector CN26 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 PFP board and MAIN board are short circuited or open circuited. • Replace the PFP transport clutch. • Replace the PFP board. • Replace the MAIN board. 4 Feed roller Separation roller Pickup roller PFP transfer roller • Check the condition of the feed roller, separation roller and pickup roller of each paper source, and replace them if they are worn out. • Check the PFP transport roller. Replace it if it is worn out.

• Code: E400
• Description: Right cover open jam (When ADU is not installed): The right cover has opened during printing.
• Causes: Right cover opening/closing switch MAIN board
• Remedy: 1 Is the right cover open? Yes Remove paper if there is any, then close the cover. No 2 2 Is the voltage of 24V being supplied from the power supply unit? (Perform the input check in the test mode: 03-[6]/[A]) Yes 3 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. • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the right cover opening/closing switch. 3 MAIN board • Replace the MAIN board.

• Code: E410
• Description: Toner supply cover open jam: The toner supply cover has opened during printing.
• Causes: Toner supply cover opening/ closing switch MAIN board
• Remedy: dure Check item Result Measure Next Step 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 front 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. • Replace the MAIN board. 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 CN301 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. 4 MAIN board • Replace the MAIN board.

• Code: E420
• Description: PFP side cover open jam: The PFP side cover has opened during printing.
• Causes: PFP side cover opening/closing switch PFP board MAIN board
• Remedy: 1 Is the PFP side cover open? Yes Remove the paper if there is any, then close the cover. No 2 2 Is the PFP side cover opening/closing switch working? (Perform the input check in the test mode: 03-[1]/ [D]) Yes 3 No • Check if the connector of the PFP side cover opening/closing switch is disconnected. • Check if either of the connectors CN410 on the PFP board is disconnected. • Check if the connector CN26 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 PFP board and MAIN board are short circuited or open circuited. • Replace the PFP side cover opening/ closing switch. • Replace the PFP board. • Replace the MAIN board. 3 Replacing board • Replace the PFP board. • Replace the MAIN board.

• Code: E430
• Description: ADU open jam: The ADU has opened during printing. Right cover open jam (When ADU is installed): The right cover has opened during printing.
• Causes: Right cover opening/closing switch MAIN board
• Remedy: 1 Is the right cover open? Yes Remove paper if there is any, then close the cover. No 2 2 Is the voltage of 24V being supplied from the power supply unit? (Perform the input check in the test mode: 03-[6]/[A]) Yes 3 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. • Check if the conductor pattern on the MAIN board is short circuited or open circuited. • Replace the right cover opening/closing switch. 3 MAIN board • Replace the MAIN board.

• Code: E440
• Description: Feed cover open jam: The feed cover has opened during printing
• Causes: Feed cover opening/closing detection sensor MAIN board
• Remedy: 1 Is the feed cover open? Yes Remove the paper if there is any, then close the cover. No 2 2 Is the feed cover opening/ closing detection sensor working? (Perform the input check in the test mode: 03-[A]/ [E]) Yes 3 No • Check if the connector of the feed cover opening/closing detection sensor is disconnected. • Check if the connector CN27 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 feed cover opening/closing detection sensor. 3 Replacing board • Replace the MAIN board.