• Code: E920
• Description: Stop jam at the bridge unit transport sensor 1: The trailing edge of the paper does not pass the bridge unit transport sensor 1 after its leading edge has reached the sensor.
• Remedy: Is there any paper remaining inside the bridge unit? → YES → Remove the paper. NO Are the bridge unit transport sensors-1 and -2 working? (Perform the input check:03-[FAX]ON/[0]/[C], /[0]/[A]) ↓→ NO → 1) Check if the connectors of the bridge unit transport sensors-1 and -2 are disconnected. 2) Check if the connector J510 of the bridge unit is disconnected. 3) Check if the connector CN353 on the LGC board is disconnected. 4) Check if the connector pins are disconnected or the harnesses are open circuited. 5) Check if the conductor pattern on the LGC board is short circuited or open circuited. 6) Replace the bridge unit transport sensors-1 and -2. 7) Replace the LGC board. YES Is the bridge unit gate solenoid working? (Perform the output check: 03-232) ↓→ NO → 1) Check if the connector J510 of the bridge unit is disconnected. 2) Check if the connector CN353 on the LGC board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Replace the bridge unit gate solenoid. 5) Replace the LGC board. YES Does the transport roller of the bridge unit work when the main motor is rotated? (Perform the output check: 03-101/151) → NO → Check the drive system of the equipment and bridge unit. YES Check if the rollers in the bridge unit are worn out.

• Code: E930
• Description: Jam at the bridge unit transport sensor 2: The trailing edge of the paper does not reach the bridge unit transport sensor 2 after its leading edge has reached the bridge unit transport sensor 1.
• Remedy: Is there any paper remaining inside the bridge unit? → YES → Remove the paper. NO Are the bridge unit transport sensors-1 and -2 working? (Perform the input check:03-[FAX]ON/[0]/[C], /[0]/[A]) ↓→ NO → 1) Check if the connectors of the bridge unit transport sensors-1 and -2 are disconnected. 2) Check if the connector J510 of the bridge unit is disconnected. 3) Check if the connector CN353 on the LGC board is disconnected. 4) Check if the connector pins are disconnected or the harnesses are open circuited. 5) Check if the conductor pattern on the LGC board is short circuited or open circuited. 6) Replace the bridge unit transport sensors-1 and -2. 7) Replace the LGC board. YES Is the bridge unit gate solenoid working? (Perform the output check: 03-232) ↓→ NO → 1) Check if the connector J510 of the bridge unit is disconnected. 2) Check if the connector CN353 on the LGC board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Replace the bridge unit gate solenoid. 5) Replace the LGC board. YES Does the transport roller of the bridge unit work when the main motor is rotated? (Perform the output check: 03-101/151) → NO → Check the drive system of the equipment and bridge unit. YES Check if the rollers in the bridge unit are worn out.

• Code: E940
• Description: Stop jam at the bridge unit transport sensor 2: The trailing edge of the paper does not pass the bridge unit transport sensor 2 after its leading edge has reached the bridge unit transport sensor 2.
• Remedy: Is there any paper remaining inside the bridge unit? → YES → Remove the paper. NO Are the bridge unit transport sensors-1 and -2 working? (Perform the input check:03-[FAX]ON/[0]/[C], /[0]/[A]) ↓→ NO → 1) Check if the connectors of the bridge unit transport sensors-1 and -2 are disconnected. 2) Check if the connector J510 of the bridge unit is disconnected. 3) Check if the connector CN353 on the LGC board is disconnected. 4) Check if the connector pins are disconnected or the harnesses are open circuited. 5) Check if the conductor pattern on the LGC board is short circuited or open circuited. 6) Replace the bridge unit transport sensors-1 and -2. 7) Replace the LGC board. YES Is the bridge unit gate solenoid working? (Perform the output check: 03-232) ↓→ NO → 1) Check if the connector J510 of the bridge unit is disconnected. 2) Check if the connector CN353 on the LGC board is disconnected. 3) Check if the connector pins are disconnected or the harnesses are open circuited. 4) Replace the bridge unit gate solenoid. 5) Replace the LGC board. YES Does the transport roller of the bridge unit work when the main motor is rotated? (Perform the output check: 03-101/151) → NO → Check the drive system of the equipment and bridge unit. YES Check if the rollers in the bridge unit are worn out.

• Code: E9F0
• Description: Punching jam: Punching is not performed properly.
• Remedy: Is there any paper remaining on the transport path in the finisher or equipment? → YES → Remove the paper. NO Is the connector J605A on the punch controller PC board disconnected? Is the harness connecting the punch controller PC board and punch home position sensor (PI63) open circuited? → YES → Connect the connector securely. Replace the harness. NO Is the punch home position sensor working properly? ↓→ NO → 1) Connect the connector of the punch home position sensor securely. 2) Replace the punch home position sensor. YES Replace the punch controller PC board.

• Code: EA10
• Description: Paper transport delay jam: The paper which has passed the bridge unit does not reach the inlet sensor.[MJ-1031/1101] The paper which has passed the bridge unit does not reach the inlet sensor.
• Remedy: MJ-1022 Is there any paper remaining on the transport path in the finisher or equipment? → YES → Remove the paper. NO Is the connector J10 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and inlet sensor (S2) open circuited? → YES → Connect the connector securely. Replace the harness. NO Is the inlet sensor working normally? (Check the movement of the actuator.) ↓→ NO → 1) Connect the connector of the inlet sensor securely. 2) Attach the actuator securely if its shaft is out of place. 3) Replace the inlet sensor. YES Replace the finisher controller PC board.
  MJ-1023/1024 Is there any paper remaining on the transport path in the finisher or equipment? → YES → Remove the paper. NO Is the connector J708 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and inlet sensor (PI33) open circuited? → YES → Connect the connector securely. Replace the harness. NO Is the inlet sensor working properly? (Check the movement of the actuator.) ↓→ NO → 1) Connect the connector of the inlet sensor securely. 2) Attach the actuator securely if its shaft is out of place. 3) Replace the inlet sensor. YES Replace the finisher controller PC board.

• Code: EA20
• Description: Paper transport stop jam: The paper does not pass through the inlet sensor. The paper which has passed through the inlet sensor does not reach the feeding sensor.
• Remedy: MJ-1022 Is there any paper remaining on the transport path in the finisher or equipment? → YES → Remove the paper. NO Is the connector J10 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and inlet sensor (S2) open circuited? → YES → Connect the connector securely. Replace the harness. NO Is the inlet sensor working properly? (Check the movement of the actuator.) ↓→ NO → 1) Connect the connector of the inlet sensor securely. 2) Attach the actuator securely if its shaft is out of place. 3) Replace the inlet sensor. YES Replace the finisher controller PC board.
  MJ-1023/1024 Is there any paper remaining on the transport path in the finisher or equipment? → YES → Remove the paper. NO Is any of the connectors (J707, J708 and J722B) on the finisher controller PC board disconnected? Is the harness between the finisher controller PC board and each sensor (the inlet sensor [PI33], the transport path sensor [PI34], the processing tray sensor [PI38]) open circuited? → YES → Connect the connectors securely. Replace the harnesses. NO Is each of the sensors (the inlet sensor, the transport path sensor and the processing tray sensor) working properly? (Check the movement of the actuator.) ↓→ NO → 1) Connect the connectors of the sensors securely. 2) Attach the actuators securely if their shafts are out of place. 3) Replace the sensors. YES Replace the finisher controller PC board.

• Code: EA30
• Description: Power-ON jam: Paper exists at the inlet sensor when power is turned ON.
• Remedy: MJ-1022 Is there any paper remaining on the transport path in the finisher? → YES → Remove the paper. NO Is the connector J10 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and inlet sensor (S2) open circuited? → YES → Connect the connector securely. Replace the harness. NO Is the inlet sensor working properly? (Check the movement of the actuator.) ↓→ NO → 1) Connect the connector of the inlet sensor securely. 2) Attach the actuator securely if its shaft is out of place. 3) Replace the inlet sensor. YES Replace the finisher controller PC board.
  MJ-1023/1024 Is there any paper remaining on the transport path in the finisher? → YES → Remove the paper. NO Is any of the connectors J707, J708 and J722B on the finisher controller PC board disconnected? Is the harness between the finisher controller PC board and each sensor (the inlet sensor [PI33], the transport path sensor [PI34], the processing tray sensor [PI38], open circuited? → YES → Connect the connectors securely. Replace the harnesses. NO Is each of the sensors (the inlet sensor, the transport path sensor and the processing tray sensor) working properly? (Check the movement of the actuator.) ↓→ NO → 1) Connect the connectors of the sensors securely. 2) Attach the actuators securely if their shafts are out of place. 3) Replace the sensors. YES Replace the finisher controller PC board.

• Code: EA40
• Description: Joint open jam: The finisher cover opened during machine operation. Cover open error: The front cover or stationary tray is opened during paper transport.
• Remedy: MJ-1022 Is there any paper remaining on the transport path in the finisher or equipment? → YES → Remove the paper. NO Is the finisher connected with the equipment? → NO → Connect the finisher with the equipment. YES Is the connector J11 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and joint sensor (S4) open circuited? → YES → Connect the connector securely. Replace the harness. NO Is the joint sensor working properly? ↓→ NO → 1) Connect the connector of the joint sensor securely. 2) Replace the joint sensor. YES Replace the finisher controller PC board.
  MJ-1023/1024 Is there any paper remaining on the transport path in the finisher or equipment? → YES → Remove the paper. NO Is either of the covers upper or front of the finisher closed? → NO → Close the door. YES Is any connectors J707 and J708 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and upper/front cover opening sensors (PI31 and PI32) open circuited? → YES → Connect the connector securely. Replace the harness. NO Is the upper/front cover opening sensor working properly? ↓→ NO → 1) Connect the connector of the upper/front cover opening sensor securely. 2) Replace the upper/front cover opening sensor. YES Is the connector J719 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and front cover switch (MS31) open circuited? ↓→ YES → Connect the connector securely. Replace the harness. NO Is the front cover switch working properly? ↓→ NO → 1) Connect the connector of the front cover switch securely. 2) Replace the front cover switch. YES Is the connector J5 on the punch controller PC board disconnected? Is the harness connecting the punch controller PC board and upper door switch (MSW61) open circuited? Is the harness connecting the punch controller PC board and front door switch (MSW62) open circuited? → YES → Connect the connector securely. Replace the harness. → NO Are the upper and front door switches working properly? ↓→ NO → 1) Connect the connectors of the upper and front door switches securely. 2) Replace the upper/front door switches. YES Replace the finisher controller PC board.