• Code: E3D0
• Description: LCF transport jam (Paper not reaching the 1st drawer feed sensor): Paper fed from the LCF and passed through the 2nd drawer feed sensor does not reach the 1st drawer feed sensor.
• Remedy: 1. Open the jam access cover and check if there is any paper in front of the 1st drawer feed sensor. Remove it if there is. * If the error still occurs, check the following. 2. Is the 1st drawer feed sensor working? (Perform the input check: 03-[FAX]ON/[1]/[G]) * If it is working properly, proceed to 6. If not, check 3 to 5 below. 3. Check if the connector CN512 on the PFC board is disconnected from the registration sensor or the harnesses are open circuited. Correct if any. 4. Replace the 1st drawer feed sensor. 5. Replace the PFC board. 6. Is the transport motor-2 working? (Perform the output check: 03-229, 231) * If it is working properly, proceed to 11. If not, check 7 to 10 below. 7. Check if the connector CN512 on the PFC board is disconnected from the transport motor-2 or the harnesses are open circuited. Correct if any. 8. Replace the transport motor-2. 9. Replace the PFC board. 10.Check the condition of the feed roller, separation roller and pickup roller of each paper source, and replace them if they are worn out. 11.Check the transport roller. Replace it if it is worn out.

• Code: E3E0
• Description: LCF transport jam (Paper not reaching the 2nd drawer feed sensor): Paper fed from the LCF and passed through the LCF feed sensor does not reach the 2nd drawer feed sensor.
• Remedy: 1. Open the side cover and check if there is any paper in front of the 2nd drawer feed sensor. Remove it if there is. * If the error still occurs, check the following. 2. Is the 2nd drawer feed sensor working? (Perform the input check: 03-[FAX]ON/[1]/[F]) * If it is working properly, proceed to 6. If not, check 3 to 5 below. 3. Check if the connector CN348 on the LGC board is disconnected from the 2nd drawer feed sensor or the harnesses are open circuited. Correct if any. 4. Replace the 2nd drawer feed sensor. 5. Replace the LGC board. 6. Are the lower transport clutches working? (Perform the output check: 03-230, 233) * If they are working properly, proceed to 10. If not, check 7 to 9 below. 7. Check if the connector CN348 on the LGC board is disconnected from the lower transport clutches (high/low) or the harnesses are open circuited. Correct if any. 8. Replace the lower transport clutches (high/low speed). 9. Replace the LGC board. 10.Is the PFP transport clutch working? (Perform the output check: 03-225) * If they are working properly, proceed to 16. If not, check 11 to15 below. 11.Check if the connectors CN349 on the LGC board is disconnected from the PFP transport clutch or the harnesses are open circuited. Check if the connectors CN241 and CN244 on the PFP board are disconnected. Correct if any. 12.Replace the PFP transport clutch. 13.Replace the LGC board. 14.Check the condition of the feed roller, separation roller and pickup roller of each paper source, and replace them if they are worn out. 15.Check the transport roller. Replace it if it is worn out.

• Code: E3F0
• Description: Tandem LCF misfeeding (Paper not reaching the tandem LCF feed sensor): Paper fed from the Tandem LCF does not reach the tandem LCF transport sensor.
• Remedy: 1. Is the tandem LCF transport sensor working? (Perform the input check: 03-[SCAN]ON/[1]/[B].). * If it is working properly, proceed to 6. If not, check 2 to 5 below. 2. Check if the connector CN505 on the PFC board is disconnected from the tandem LCF transport sensor or the harnesses are open circuited. Correct if so. 3. Check if the tandem LCF transport sensor is correctly installed or its detecting element is not damaged or stained. 4. Replace the tandem LCF transport sensor. 5. Replace the PFC board. 6. Are the tandem LCF transport clutch and the tandem LCF feed clutch working? (Perform the output check: 03-252, 03-250.) * If they are working properly, proceed to 9. If not, check 7 to 8 below. 7. Check if the connector CN502 on the PFC board is disconnected from the tandem LCF transport clutch or the tandem LCF feed clutch, or the harnesses are open circuited. Correct if so. 8. Replace the tandem LCF transport clutch or the tandem LCF feed clutch. 9. Is the feed/transport motor working? (Perform the output check: 03-122.) * If they are working properly, proceed to 12. If not, check 10 to 11 below. 10.Replace the feed/transport motor. 11.Replace the PFC board. 12.Check if there is any abnormality on the driving section of the feed/transport motor or the roller. Correct if any.

• Code: E400
• Description: Duplexing unit open jam
• Remedy: 1. Close the duplexing unit if it is opened. Remove if there is any paper before closing it. 2. Is the voltage of 24V being supplied from the power supply unit? (Perform the input check: 03- [COPY] ON/[6]/[A]) 3. Check if the connector CN309 on the LGC board is disconnected from the connector CN403 on the switching regulator or the harnesses are open circuited. Correct if any. 4. Check if the fuse (F201, F202, F203, and F204) on the switching regulator has blown. 5. Replace the PFC board. 6. Replace the switching regulator. 7. Is the interlock switch working properly? (Perform the input check: 03-[SCAN] ON/[4]/[G]) 8. Check if the connector CN312 on the LGC board is disconnected from the interlock switch or the harnesses are open circuited. Correct if any.

• Code: E430
• Description: ADU open jam: The ADU has opened during printing.
• Remedy: 1. Close the ADU if it is opened. Remove if there is any paper before closing it. 2. Is the ADU opening/closing switch working? (Perform the input check: 03-[FAX]ON/[2]/[C]) 3. Check if the connector CN338 on the LGC board is disconnected from the ADU opening/closing switch or the harnesses are open circuited. Check if the connectors CN211 and CN217 on the ADU board are disconnected. Correct if any. 4. Replace the ADU opening/closing switch. 5. Replace the ADU board. 6. Replace the PFC board. 7. Replace the LGC board.

• Code: E440
• Description: Paper feed cover open jam: The paper feed cover has opened during printing.
• Remedy: 1. Close the paper feed cover if it is opened. Remove if there is any paper before closing it. 2. Is the side door switch working? (Perform the input check: 03-[FAX]ON/[0]/[B]) 3. Check if the connector CN348 on the LGC board is disconnected from the paper feed cover switch or the harnesses are open circuited. Correct if any. 4. Replace the side door switch. 5. Replace the LGC board.

• Code: E450
• Description: LCF side cover open jam: The LCF side cover has opened during printing.
• Remedy: 1. Close the LCF side cover if it is opened. Remove if there is any paper before closing it. 2. Is the LCF side cover opening/closing switch working? (Perform the input check: 03-[FAX]OFF/ [0]/[D]) 3. Check if the connector CN349 on the LGC board is disconnected from the LCF side cover opening/closing switch or the harnesses are open circuited. Check if the connectors CN1 and CN6 on the LCF board are disconnected. Correct if any. 4. Replace the LCF side cover opening/closing switch. 5. Replace the LCF board. 6. Replace the LGC board.

• Code: E480
• Description: Bridge unit open jam: The bridge unit has opened during printing.
• Remedy: 1. Close the bridge unit if it is opened. Remove if there is any paper before closing it. 2. Is the bridge unit cover opening/closing detection switch working? (Perform the input check: 03- [FAX]OFF/[5]/[E]) 3. Check if the connector CN334 on the LGC board is disconnected from the bridge unit cover opening/closing detection switch or the harnesses are open circuited. Correct if any. 4. Replace the bridge unit cover opening/closing detection switch. 5. Replace the LGC board.