• Code: EA50
• Description: Stapling jam: Stapling is not performed properly.
• 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.
• 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.

• Code: EA70
• Description: Stack exit belt home position error: The stack exit belt is not at the home position. Stack slider home position error: The stack slider is not at the home position.
• 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 J9 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and stack delivery lever home position sensor (S8) open circuited? → YES → Connect the connector securely. Replace the harness. NO Is the stack delivery lever home position sensor working properly? ↓→ NO → 1) Connect the connector of the stack delivery lever home position sensor securely. 2) Replace the stack delivery lever home position sensor. YES Replace the finisher controller PC board.

• Code: EA80
• Description: Stapling jam: Stapling is not performed properly. [MJ-1024]
• Remedy: MJ-1024 Is there any paper remaining on the transport path or the stapling tray in the finisher, saddle stitcher section or equipment? → YES → Remove the paper. NO Is the jam cleared by taking off the staple cartridge from the finisher and removing the staples stuck in the stapling unit? → YES → End. NO Is the connector J8 on the saddle stitcher controller PC board disconnected? Is the harness connecting the saddle stitcher controller PC board and stitcher home position switch (rear: SW5, front: SW7 open circuited? → YES → Connect the connector securely. Replace the harness. NO Are the stitcher home position switches working properly? ↓→ NO → 1) Connect the connectors of the stitcher home position switches securely. 2) Replace the stitcher home position switches. YES Replace the saddle stitcher controller PC board.

• Code: EA90
• Description: Door open jam: The delivery cover or inlet cover has opened dur-ing printing [MJ-1024].
• Remedy: MJ-1024 Is there any paper remaining on the transport path in the finisher, saddle stitcher section or equipment? → YES → Remove the paper. NO Is the saddle stitcher door closed? → NO → Close the door. YES Is either of the connectors J10 or J11 on saddle stitcher controller PC board disconnected? Are the harnesses between the saddle stitcher controller PC board and cover opening sensors (delivery cover sensor [PI3], inlet cover sensor [PI9]) open circuited? → YES → Connect the connector securely. Replace the harness. NO Is each of the sensors (delivery cover sensor, inlet cover sensor) working properly? ↓→ NO → 1) Connect the connectors of the each sensor securely. 2) Replace the sensors. YES Replace the finisher controller PC board.

• Code: EAA0
• Description: Power-ON jam: Paper exists at No.1 paper sensor, No. 2 paper sensor, No.3 paper sensor, vertical path paper sensor or delivery sensor when power is turned ON. [MJ-1024]
• Remedy: MJ-1024 Is there any paper remaining on the transport path in the finisher or saddle stitcher section? → YES → Remove the paper. NO Is any of the connectors J9, J10 and J13 on the saddle stitcher controller PC board disconnected? Is the harness between the saddle stitcher controller PC board and each sensor (No.1 paper sensor [PI18], No.2 paper sensor [PI19], No.3 paper sensor [PI20], the vertical path paper sensor [PI17] and the delivery sensor[PI11]) open circuited? → YES → Connect the connectors securely. Replace the harnesses. NO Is each of the sensors (No.1 paper sensor, No.2 paper sensor, No.3 paper sensor, the vertical path paper sensor, and the delivery 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 saddle stitcher controller PC board.

• Code: EAB0
• Description: Transport stop jam: The paper which passed through the inlet sensor does not reach or pass No.1 paper sensor, No. 2 paper sensor, No.3 paper sensor or delivery sensor. [MJ-1024]
• Remedy: MJ-1024 Is there any paper remaining on the transport path in the finisher, saddle stitcher section or equipment? → YES → Remove the paper. NO Is the connector J708 on finisher controller PC board disconnected? Is the harness between the finisher controller PC board and inlet sensor [PI33] open circuited? Is either of the connectors J9 or J10 on the saddle stitcher controller PC board disconnected? Is the harness between the saddle stitcher controller PC board and each sensor (No.1 paper sensor [PI18], No.2 paper sensor [PI19], No.3 paper sensor [PI20] and the delivery sensor [PI11]) open circuited? → YES → Connect the connectors securely. Replace the harnesses. NO Is each of the sensors (the inlet sensor, No.1 paper sensor, No.2 paper sensor, No.3 paper sensor and the delivery 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 saddle stitcher controller PC board.

• Code: EAC0
• Description: Transport delay jam: The paper which has reached the inlet sensor does not pass through the inlet sensor. [MJ-1024]
• Remedy: MJ-1024 Is there any paper remaining on the transport path in the finisher, saddle stitcher section 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 sensor securely. 2) Attach the actuator securely if its shaft is out of place. 3) Replace the sensor. YES Replace the finisher controller PC board.