• Code: EA31
• Description: Paper transport remaining jam in the Finisher: Paper is detected in the entrance path sensor or middle path sensor when the power is turned ON or the cover is closed. [MJ-1042] Transport path paper remaining jam. [MJ-1109/1110]
• Causes:
• Remedy: Entrance path sensor (S19) abnormality Measure the voltage on TP86 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Middle path sensor (S7) abnormality Measure the voltage on TP84 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Sub-path sensor (S8) abnormality Measure the voltage on TP85 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connector. (Finisher control PC board (FIN): CN6, CN22) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the sensor and the connector, exchange the finisher control PC board (FIN).

• Code: EA32
• Description: Exit paper remaining jam in the Finisher: Paper is detected in the finishing tray sensor when the power is turned ON. [MJ-1042] Exit paper remaining jam. [MJ-1109/1110]
• Causes: Processing tray sensor (S12) Finisher control PC board (FIN)
• Remedy: MJ-1042 Finishing tray sensor (S4) abnormality Measure the voltage on TP14 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connector. (Finisher control PC board (FIN): CN5) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the sensor and the connector, exchange the finisher control PC board (FIN).
  MJ-1109/1110 Paper Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. Processing tray sensor (S12) • Sensor check • Connector check • Harness check Finisher control PC board (FIN) • Board check • Connector check (CN25) • Harness check

• Code: EA40
• Description: Finisher cover open jam: The finisher cover is opened during paper transport. [MJ-1042] Cover open error: The front cover or stationary tray cover is opened during paper transport. [MJ-1109/1110]
• Causes: Cover locking bracket If it is broken. Front cover switch (SW1) Stationary tray opening/closing switch (SW2) Finisher controller board (FIN)
• Remedy: MJ-1042 Sub-path opening/closing sensor (S12) abnormality Measure the voltage on TP12 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Front cover switch (SW1) abnormality Measure the voltage on TP77 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when the switch is ON and within the range of 3.3V+-5% when OFF. If the voltage does not fall within the range mentioned, replace the switch. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connector. (Finisher control PC board (FIN): CN10, CN13) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the switches, sensor and connector, exchange the finisher control PC board (FIN).
  MJ-1109/1110 Cover • Close the front cover or the stationary tray if they are opened. Front cover switch (SW1) • Sensor check • Connector check • Harness check Stationary tray opening/closing switch (SW2) • Sensor check • Connector check • Harness check Finisher controller board • Connector check (CN14) • Board check

• Code: EA50
• Description: Stapling jam: Stapling is not performed properly. [MJ-1042/1109/1110]
• Causes: Stapler Finisher controller PC board (FIN)
• Remedy: MJ-1042 Staple unit stapling start position sensor (S17) abnormality Measure the voltage on TP23 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when the sensor is ON and within the range of 3.3V+-5% when OFF. If the voltage does not fall within the range mentioned, replace the staple unit. Staple unit staple empty sensor (S18) abnormality Measure the voltage on TP24 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when the sensor is ON and within the range of 3.3V+-5% when OFF. If the voltage does not fall within the range mentioned, replace the staple unit. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connectors. (Finisher control PC board (FIN): CN17) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the staple unit and the connectors, exchange the finisher control PC board (FIN).
  MJ-1109/1110 Stapler • Check if there is any paper in the finisher or on the transport path of the equipment or on the finishing tray. Remove it if there is • Is the jam cleared by taking off the staple cartridge from the finisher and removing the staple sheet slid from the staple case? • If the actuator of the stapler safety sensor (S11) does not move smoothly, remove its clip from the side and then reattach it. • Connector check • Harness check Finisher controller PC board (FIN) • Board check • Connector check (CN19) • Harness check

• Code: EA60
• Description: Early arrival jam: A paper jam occurs because paper from the equipment arrives at the Finisher too early. [MJ-1042/1109/1110]
• Causes: Feeding sensor (S22) Finisher controller PC board (FIN)
• Remedy: MJ-1042 Entrance path sensor (S19) abnormality Measure the voltage on TP86 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connector. (Finisher control PC board (FIN): CN22) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the sensor and the connector, exchange the finisher control PC board (FIN).
  MJ-1109/1110 Paper Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. Feeding sensor (S22) • Sensor check(S22) • Connector check (CN1) • Harness check Finisher controller PC board (FIN) • Board check • Connector check (CN1) • Harness check

• Code: EA70
• Description: Stack exit belt home position error: The stack exit belt is not at the home position. [MJ-1109/1110]
• Causes: Stack belt exit home position sensor (S9) Stack transport motor (M8) Finisher controller PC board (FIN)
• Remedy: Stack belt exit home position sensor (S9) Check if there is a disconnection of the connector, incorrect installation or breakage of the stack belt exit home position sensor (S9). If there is, reinstall the sensor correctly or replace it. Check if the connector (CN25) on the finisher controller PC board is disconnected from the stack belt exit home position sensor (S9) and the harnesses are open circuited. Correct if any. Stack transport motor (M8) Check if the connector (CN18) on the finisher controller PC board is disconnected from the stack transport motor (M8) and the harnesses are open circuited. Correct if any.

• Code: EA90
• Description: Door open jam: The delivery cover or inlet cover has opened during printing. [MJ-1110]
• Causes: Saddle stitch unit opening/closing switch (SW5) Finisher controller PC board (FIN)
• Remedy: Saddle stitch unit Close the saddle stitch unit if it is open. Paper Remove any paper on the stacker. Saddle stitch unit opening/closing switch (SW5) Check if there is a disconnection of the connector, incorrect installation or breakage of the saddle stitch unit opening/ closing switch (SW5). If there is, reinstall the sensor correctly or replace it. Check if the harness between the saddle stitch unit opening/ closing switch (SW5) and the CN26 of the finisher controller PC board (FIN) is disconnected or open circuited. Correct if so.

• Code: EAA0
• Description: Paper remaining in Saddle Stitch Finisher: Paper remaining in Saddle Stitch Finisher [MJ-1110]
• Causes: Junction box paper detection sensor (S26) Transport path-2 sensor (S27) Transport path-3 sensor (S28) Ejecting roller sensor (S29) Finisher control PC board (FIN) Saddle control PC board (SDL)
• Remedy: Paper • Check if there is any paper in the finisher, saddle stitcher or the on the transport path of the equipment. Remove it if there is. • Use paper accepted in the specifications. Do not use the paper shorter than the specification. Junction box paper detection sensor (S26) • Sensor check(S26) • Connector check(CN1) • Harness check Transport path-2 sensor (S27) • Sensor check(S27) • Connector check(CN3) • Harness check Transport path-3 sensor (S28) • Sensor check(S28) • Connector check(CN3) • Harness check Ejecting roller sensor(S29) • Sensor check(S29) • Connector check(CN3) • Harness check Harness Check if the flat cable between the finisher control PC board (FIN) and the saddle control PC board (SDL) is disconnected or open circuited. Correct if so. (Replace the harness if open circuited. Reconnect the connector securely if there is any disconnection.) Finisher control PC board (FIN) • Board check • Connector check(CN21) • Harness check Saddle control PC board (SDL) • Board check • Connector check(CN3, CN6) • Harness check