• Code: E3E0
• Description: Tandem LCF transport jam (paper not reaching 2nd transport sensor): Paper which has passed the 3rd drawer / Tandem LCF transport sensor does not reach the 2nd drawer transport sensor during the feeding at the Tandem LCF.
• Remedy: Open the feed cover. Is there paper in front of the 2nd drawer transport sensor? ↓ → YES → If the paper is damaged, remove the paper and check the followings 1) Check if the paper is skewed, and correct it if it is skewed. 2) Check the paper amount. 3) Check if the paper is not the one with printing on its back side. 4) Check if the width of the side guides of the drawer is too narrow. NO Is the 2nd drawer transport sensor working? (Perform the input check in the test mode: 03-[FAX]OFF/[2]/[C] ↓ → NO → 1) Check if the connector of the 2nd drawer transport sensor is disconnected. 2) Check if the connector CN329 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 2nd drawer transport sensor. 6) Replace the LGC board. YES Are the transport clutches working? (Perform the output check in the test mode: 03-210/225/231) ↓ → NO → 1) Check if the connectors of the (lower/middle) transport clutches are disconnected. 2) Check if the connector CN329,350 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 (lower/middle) transport clutches. 6) Replace the LGC board. YES 1) Check the condition of the feed roller, separation roller and pickup roller of each paper source, and clean or replace them. 2) Check the transport roller. Clean or replace it.

• Code: E3F0
• Description: Tandem LCF transport jam (paper not reaching 3rd drawer / Tandem LCF transport sensor): Paper which has passed the 3rd drawer / Tandem LCF feed sensor does not reach the 3rd drawer / Tandem LCF transport sensor during the feeding at the Tandem LCF.
• Remedy: (First page of printing) Is the intermediate transport sensor working? (Perform the input check in the test mode: 03-[FAX]OFF/[1]/[A], OFF/[1]/[C], OFF/[2]/[C], OFF/[3]/[C], OFF/[4]/[C]) ↓ → NO → Open the jam access cover. Remove the paper and check the followings.) 1) Check if the connector of the transport sensor is disconnected. 2) Check if the connector 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- or opencircuited. 5) Replace the LGC board. YES Is the reversed paper transport clutch working? (Perform the output check in the test mode: 03-210/225/229/230/231) ↓ → NO → 1) Check if the connectors of the transport clutches are disconnected. 2) Check if the connector CN328, 329, 350 on the LGC board is disconnected. 3) Check if the connector pins are disconnected and the harnesses are opencircuited. 4) Check if the conductor pattern on the LGC board is short- or opencircuited. 5) Replace the transport clutches. 6) Replace the LGC board. YES Check the conditions of the feed roller, separation roller and pickup roller of the drawer in use, and replace them if necessary
  (Second page or later of printing) Leading edge of paper not reaching the fuser exit sensor. ↓ → YES . Is there any damage on the paper? (Remove the paper and check the followings.) 1) Check if the paper is skewed, and correct it if it is skewed. 2) Check the paper amount. 3) Check if the paper is not the one with printing on its back side. 4) Check if the width of the side guides of the drawer is too narrow. NO Is the intermediate transport sensor working? (Perform the input check in the test mode: 03-[FAX]OFF/[1]/[A], OFF/[1]/[C], OFF/[2]/[C], OFF/[3]/[C], OFF/[4]/[C]) ↓ → NO . 1) Are paper dusts accumulated on the intermediate transport sensor? 2) Check if the actuator of the sensor is working normally. 3) Check if the harness is not damaged. 4) Check if the connector is disconnected. YES Check the conditions of the feed roller, separation roller and pickup roller of the drawer in use, and replace them if necessary.

• Code: E410
• Description: Front cover open jam: The front cover has opened during printing.
• Remedy: Is the front cover open? → YES → Remove the paper if there is any, then close the cover. NO Is the voltage of 24V being supplied from the power supply unit? (Perform the input check in the test mode: 03-[FAX] ON/[9]/[H]) ↓ → NO → 1) Check if the connector for 24 V power supply is disconnected. 2) Check if the connector CN344 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 LGC board. YES Replace the LGC board.

• Code: E440
• Description: Right lower cover (feed cover) open jam: The feed cover has opened during printing.
• Remedy: Is the feed cover open? → YES → Remove the paper if there is any, then close the cover. NO Is the side door switch working? (Perform the input check in the test mode: 03-[FAX]ON/[2]/[A]) ↓ → NO → 1) Check if the connector of the feed cover sensor 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 feed cover sensor. 6) Replace the LGC board. YES Replace the LGC board.

• Code: E450
• Description: Option LCF side cover open jam: The side cover of the Option LCF has opened during printing.
• Remedy: Is the LCF front cover open? → YES → Remove the paper if there is any, then close the cover. NO Is the LCF side cover opening/closing switch working? (Perform the input check in the test mode: 03-[FAX]OFF/[5]/[B]) ↓ → NO → 1) Check if the connector of the LCF side cover opening/closing switch is disconnected. 2) Check if either of the connectors CN100 or CN106 on the LCF board is disconnected. 3) Check if the connector CN338 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 LCF board and LGC board are short circuited or open circuited. 6) Replace the LCF side cover opening/closing switch. 7) Replace the LCF board. 8) Replace the LGC board. YES 1) Replace the LCF board. 2) Replace the LGC board.

• Code: E460
• Description: Right center cover (bypass feed unit cover) open jam: The bypass feed unit cover has opened during printing.
• Remedy: Is the bypass feed unit cover open? → YES → Remove the paper if there is any, then close the bypass feed unit cover. NO Is the bypass feed unit cover sensor working? (Perform the input check in the test mode: 03-[ENERGY SAVER]OFF/[6]/[H]) ↓ → NO → 1) Check if the connector of the bypass feed unit cover sensor is disconnected. 2) Check if the connector CN338 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 patterns on the LGC board are short- or opencircuited. 5) Replace the bypass feed unit cover sensor. 6) Replace the LGC board. YES Replace the LGC board.

• Code: E470
• Description: Left lower cover (exit cover) open jam: The exit cover has opened during printing.
• Remedy: Is the exit cover close? ↓ YES → Remove paper if there is any, then close the cover. NO Is the voltage of 24V being supplied from the power supply unit? (Perform the input check in the test mode: 03-[FAX] ON/[9]/[H]) ↓ → NO → 1) Check if the connector for 24V power supply is disconnected. 2) Check if the connector CN344 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- or opencircuited. 5) Replace the LGC board. YES Is the exit cover switch working? (Perform the input check in the test mode: 03-[FAX]OFF/[7]/[A] ↓↓ NO → 1) Check if the connector of the exit cover switch is disconnected. 2) Check if the connector CN335 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- or opencircuited. 5) Replace the exit cover switch. 6) Replace the LGC board. YES Replace the LGC board.

• Code: E510
• Description: Transport jam during duplex printing (paper not reaching reverse sensor-2): Paper which has passed the reverse sensor-1 does not reach the reverse sensor-2 during duplex printing.
• Remedy: Open the exit cover. Is there any paper in front of the reverse sensor-2? → YES → Remove the paper. NO Is the reverse sensor-1 working? (Perform the input check in the test mode: 03-[FAX]OFF/[1]/[G]) ↓ → NO → 1) Check if the connector of the reverse sensor-1 is disconnected. 2) Check if the connector CN335 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 patterns on LGC board are short circuited or open circuited. 5) Replace the reverse sensor-1. 6) Replace the LGC board. YES Is the horizontal transport section driving clutch working? (Perform the output check in the test mode: 03-222) ↓ → NO → 1) Check if the connector of the horizontal transport section driving clutch is disconnected. 2) Check if the connector CN334 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 horizontal transport section driving clutch. 6) Replace the LGC board. YES Is the Mylar at the reverse section normal? → NO → Replace the Mylar. YES Check the condition of the roller at the horizontal transport section and clean or replace it.