• Code: EA28
• Description: Paper transport jam (assisting arm operation delay)
• Remedy: MJ-1101 1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 2. Check if the connectors CN7 and CN22 on the finisher controller PC board are disconnected from the entrance sensor (S1) and the transport sensor (S2), or the harnesses are open circuited. Correct if any. 3. Replace the sensor. 4. Replace the finisher controller PC board.

• Code: EA29
• Description: Paper transport jam (stack transport delay)
• Remedy: MJ-1101 1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 2. Check if the connectors CN7 and CN22 on the finisher controller PC board are disconnected from the entrance sensor (S1) and the transport sensor (S2), or the harnesses are open circuited. Correct if any. 3. Replace the sensor. 4. 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-1025 1. Check if there is any paper remaining in the Finisher or the Saddle Stitch Finisher or on the transport path of the equipment. Remove if there is. 2. Check if the connector pins are disconnected or the harnesses are open circuited between the inlet sensor and the connector on the finisher controller PC board. Correct if there is any abnormality. 3. Check if the harnesses are open circuited between the punch controller PC board and the photosensor PC board. Correct if there is any abnormality. 4. Are the inlet sensor, folding position sensor and photosensor PC board working properly? (Correct if the actuator does not return normally or if it is deformed 5. Replace the sensors. 6. Replace the finisher controller PC board. 7. Replace the punch controller PC board.
  MJ-1024 1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 2. Check if the connectors J707, J708 and J722B on the finisher controller PC board are disconnected from the corresponding sensor (inlet sensor [P133], transport path sensor [P134] and processing tray sensor [P138] ) or the harnesses are open circuited. Correct if any. 3. 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.) 4. Replace the sensors. 5. Replace the finisher controller PC board.
  MJ-1031 1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 2. Check if the connector J104 on the finisher controller PC board is disconnected from the inlet sensor (SR2) or the harnesses are open circuited. Correct if any. 3. Is the inlet sensor working properly? (Check the movement of the actuator.) 4. Replace the inlet sensor. 5. Replace the finisher controller PC board.

• Code: EA31
• Description: Transport path paper remaining jam
• Remedy: 1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 2. Check if the connector CN22 on the finisher controller PC board is disconnected from the transport sensor (S2) or the harnesses are open circuited. Correct if any. 3. Check if the connectors CN7 and CN22 on the finisher controller PC board are disconnected from the inlet sensor (S1) and the transport sensor (S2), or the harnesses are open circuited. Correct if any. 4. Replace the sensor. 5. Replace the finisher controller PC board.

• Code: EA32
• Description: Exit paper remaining jam
• Remedy: 1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 2. Check and correct the mechanism. 3. Check if the connector CN11 on the finisher controller PC board is disconnected from the finishing tray paper detection sensor (S12) or the harnesses are open circuited. Correct if any. 4. Replace the sensor. 5. Replace the finisher controller PC board.

• Code: EA40
• Description: Door open jam: The Finisher is released from the equipment or any of the staple door and top cover is opened during printing. [MJ-1025] Door open jam: Any of the upper cover and front cover of the Finisher or any of the upper door and front door of the Hole Punch Unit is opened during printing. [MJ-1024] Joint open jam: The joint is released during printing or in the standby status. [MJ-1031]
• Remedy: MJ-1025 Is the finisher connected with the equipment? Are the upper cover and front door of the finisher closed? l YES 1. Connect the finisher with the equipment. 2. Close the cover and door of the finisher. NO Is any of the connectors CN4 (upper cover sensor and front door sensor) and CN8 (joint switch) on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and each sensor (upper cover sensor or front door sensor) open-circuited? Is the harness connecting the finisher controller PC board and joint switch (MS2) opencircuited? YES Connect the connector securely. Replace the harness. NO Are the joint switch, upper cover sensor and front door sensor working properly? NO 1. Attach the actuator securely if its shaft is out of place. 2. Replace the switch or sensor. YES Replace the finisher controller PC board.
  MJ-1024 1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 2. Close the upper or front cover of the finisher if any of them is opened. 3. Check if the connectors J707 and J708 on the finisher controller PC board are disconnected from the upper cover opening sensor (P131) and the front cover opening sensor (P132) , or the harnesses are open circuited. Correct if any. 4. Replace the upper/front cover opening sensor. 5. Check if the connector J719 on the finisher controller PC board is disconnected from the front cover switch (MS31) or the harnesses are open circuited. Correct if any. 6. Replace the front cover switch (MS31). 7. Is the connector J601/J602 on the punch controller PC board disconnected? 8. Is the harness connecting the punch controller PC board and upper door switch (MSW61) open circuited? 9. Is the harness connecting the punch controller PC board and front door switch (MSW62) open circuited? 10.Are the upper and front door switches working properly? 11.Reconnect or replace the connector of the upper cover switch or the front cover switch. 12.Replace the finisher controller PC board.
  MJ-1031 1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 2. Check if the connector J110 on the finisher controller PC board is disconnected from the Joint switch (SW1) or the harnesses are open circuited. Correct if any. 3. Replace the Joint switch. 4. Replace the finisher controller PC board.
  MJ-1101 1. Close the front cover or the stationary tray cover if they are opened. 2. Replace the handle cover installed inside of the front cover if it is broken. 3. Reinstall the stationary tray opening/closing switch if it is incorrectly installed. 4. Check if the connector CN16 on the finisher controller PC board is disconnected from the front cover switch (SW1) and the stationary tray opening/closing switch (SW2) or the harnesses are open circuited. Correct if any. 5. Replace the sensors. 6. Replace the finisher controller PC board.

• Code: EA50
• Description: Stapling jam: Stapling is not performed properly.
• Remedy: MJ-1025 Is there any paper remaining on the stapling tray? YES Remove the paper. NO Open the front door. Is the stapler home position mark blue? YES Rotate the stapler opening dial until the home position mark turns blue. NO Is any of the connectors CN11 (slide home position sensor), CN8 (stapler safety switch) and CN6 (staple/fold motor) on the finisher controller PC board disconnected? Is the stapler unit installed securely? Is the harness connecting the finisher controller PC board and slide home position sensor open-circuited? Is the harness connecting the finisher controller PC board and stapler safety switch opencircuited? YES Connect the connector securely. Replace the harness. NO Are the slide home position sensor and stapler safety switch working properly? l NO 1. Replace the stapler unit. 2. Replace the stapler safety switch. YES Replace the finisher controller PC board.
  MJ-1024 1. Check if there is any paper in the finisher or on the transport path of the equipment or on the stapling tray. Remove it if there is. 2. Is the jam cleared by taking off the staple cartridge from the finisher and removing the staple sheet slid from the staple case? 3. Is the connector J717 on the finisher controller PC board disconnected? 4. Is the harness connecting the finisher controller PC board and staple home position sensor (PI50) open circuited? 5. Is the staple home position sensor working properly? 6. Reconnect or replace the connector of the staple home position sensor. 7. Replace the finisher controller PC board.
  MJ-1031 1. Check if there is any paper in the finisher or stapler and remove it if there is. 2. Is the jam cleared by taking off the staple cartridge from the finisher and removing the staple sheet slid from the staple case? 3. Check if the connectors J112, J113 on the finisher controller PC board is disconnected from the stapler) or the harnesses are open circuited. Correct if any. 4. Check if the connectors on the stapler is disconnected or the harnesses are open circuited. Correct if any. 5. Replace the stapler. 6. Replace the finisher controller PC board.
  MJ-1101 1. 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. 2. Is the jam cleared by taking off the staple cartridge from the finisher and removing the staple sheet slid from the staple case? 3. Check if the actuator of the stapler interference sensor (S11) moves smoothly. 4. Check if the connector CN2 on the finisher controller PC board is disconnected from the stapler or the harnesses are open circuited. Correct if any. 5. Check the harnesses in the stapler are disconnected or open circuited. Correct if any. 6. 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-1024 1. Check if there is any paper in the finisher or on the transport path of the equipment or on the stapling tray. Remove it if there is. 2. Check if the connector on the finisher controller PC board is disconnected from the inlet sensor (P133) or the harnesses are open circuited. Correct if any. 3. Check if the inlet sensor (P133) is working (or if the actuator returns) properly. 4. Replace the inlet sensor. 5. Replace the finisher controller PC board.
  MJ-1031 1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 2. Check if the connector J104 on the finisher controller PC board is disconnected from the inlet sensor (SR2) or the harnesses are open circuited. Correct if any. 3. Is the inlet sensor working properly? (Check the movement of the actuator.) 4. Replace the inlet sensor. 5. Replace the finisher controller PC board.
  MJ-1101 1. 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. 2. Check if there is any disconnection, incorrect installation or breakage on the entrance sensor (S1). Correct if any. 3. Check if the connector CN7 on the finisher controller PC board is disconnected from the entrance sensor (S1) and the harnesses are disconnected or open circuited. Correct if any. 4. Replace the entrance sensor. 5. Replace the finisher controller PC board.