• Code: E940
• Description: Stop 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-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 CN351 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- 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 CN351 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: Finisher jam (Puncher unit)
  Punching jam: Punching is not performed properly. [MJ-1025 (When MJ-6005 is installed)]
• Remedy: 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 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-1022/1025]
• 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. [MJ-1022/1025]
• 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. [MJ-1022/1025]
• 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: Door open jam: The finisher has been released from the equipment during printing. [MJ-1022/1025]
• 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. 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.

• Code: EA50
• Description: Stapling jam: Stapling is not performed properly. [MJ-1022/1025]
• Remedy: MJ-1022 Is there any paper remaining on the transport path in the finisher or equipment or on the stapling tray? YES Remove the paper. NO Is the jam cleared by taking off the staple cartridge from the finisher and removing the staple sheet slid from the staple case? YES End. NO Is the connector J8 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and stapling home position sensor (S17) open-circuited? YES Connect the connector securely. Replace the harness. NO Is the stapling home position sensor working properly? NO 1. Connect the connector of the stapling home position sensor securely. 2. Replace the stapling home position 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 or on the stapling tray? YES Remove the paper. NO Is the jam cleared by taking off the staple cartridge from the finisher and removing the staple sheet slid from the staple case? YES End. NO Is the connector J721B on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and staple home position sensor (PI40) open-circuited? YES Connect the connector securely. Replace the harness. NO Is the staple home position sensor working properly? NO 1. Connect the connector of the staple home position sensor securely. 2. Replace the staple home position sensor. YES Replace the finisher controller PC board.

• Code: EA60
• Description: Early arrival jam: The inlet sensor detects the paper earlier than a specified timing. [MJ-1022]
• 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 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.