• Code: EA27
• Description: Paper transport jam (paper not inserted): The equipment detects a paper-not-inserted jam but the entrance sensor is turned ON before the equipment is stopped. [MJ-1101/1106]
• Causes: MJ-1101 Entrance sensor Transport sensor Finisher contoller PC board
  MJ-1106 Entrance sensor (S1) Transport sensor (S2) Processing tray sensor (S12) Assist arm motor (M10) buffer tray guide motor (M2) Finisher control PC board (FIN)
• Remedy: MJ-1101 Paper jam in finisher section Paper transport stop jam (transport sensor) Paper transport stop jam (between entrance & transport sensor) Paper transport stop jam (after paper stack exit) Paper transport stop jam (stop command request) Paper transport stop jam (paper not inserted) Paper transport stop jam (paper holder plate operation delay) Paper transport stop jam (stack transport delay) Entrance sensor • Sensor check(S1) • Connector check (CN7, CN22) • Harness check Transport sensor • Sensor check(S2) • Connector check (CN7, CN22) • Harness check
  MJ-1106 Finisher Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. Entrance sensor (S1) • Sensor check • Connector check • Harness check Transport sensor (S2) • Sensor check • Connector check • Harness check Processing tray sensor (S12) • Sensor check • Connector check • Harness check Paper holding cam Is there any mechanical problem when the paper holding cam is rotated? Assist arm motor (M10) • Motor check • Connector check • Harness check Buffer tray guide Open and close the buffer tray guide. If there is any mechanical problem, fix its mechanism. buffer tray guide motor (M2) • Motor check • Connector check • Harness check Finisher control PC board (FIN) • Board check • Connector check (CN6, CN13, CN11, CN18, CN26) • Harness check

• Code: EA28
• Description: Paper transport jam (paper holder plate operation delay): An attempt to start the arm assisting operation for dropping paper on the finishing tray is made, but the previous arm assisting operation has not yet been finished. [MJ-1101/1106]
• Causes: MJ-1101 Entrance sensor Transport sensor Finisher contoller PC board
  MJ-1106 Entrance sensor (S1) Transport sensor (S2) Processing tray sensor (S12) Assist arm motor (M10) buffer tray guide motor (M2) Finisher control PC board (FIN)
• Remedy: MJ-1101 Paper jam in finisher section Paper transport stop jam (transport sensor) Paper transport stop jam (between entrance & transport sensor) Paper transport stop jam (after paper stack exit) Paper transport stop jam (stop command request) Paper transport stop jam (paper not inserted) Paper transport stop jam (paper holder plate operation delay) Paper transport stop jam (stack transport delay) Entrance sensor • Sensor check(S1) • Connector check (CN7, CN22) • Harness check Transport sensor • Sensor check(S2) • Connector check (CN7, CN22) • Harness check
  MJ-1106 Finisher Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. Entrance sensor (S1) • Sensor check • Connector check • Harness check Transport sensor (S2) • Sensor check • Connector check • Harness check Processing tray sensor (S12) • Sensor check • Connector check • Harness check Paper holding cam Is there any mechanical problem when the paper holding cam is rotated? Assist arm motor (M10) • Motor check • Connector check • Harness check Buffer tray guide Open and close the buffer tray guide. If there is any mechanical problem, fix its mechanism. buffer tray guide motor (M2) • Motor check • Connector check • Harness check Finisher control PC board (FIN) • Board check • Connector check (CN6, CN13, CN11, CN18, CN26) • Harness check

• Code: EA29
• Description: Paper transport jam (stack transport delay): The buffer tray is extended to drop a stack of paper on the finishing tray but the previous stack has not yet exited. [MJ-1101/1106]
• Causes: MJ-1101 Entrance sensor Transport sensor Finisher contoller PC board
  MJ-1106 Entrance sensor (S1) Transport sensor (S2) Processing tray sensor (S12) Assist arm motor (M10) buffer tray guide motor (M2) Finisher control PC board (FIN)
• Remedy: MJ-1101 Paper jam in finisher section Paper transport stop jam (transport sensor) Paper transport stop jam (between entrance & transport sensor) Paper transport stop jam (after paper stack exit) Paper transport stop jam (stop command request) Paper transport stop jam (paper not inserted) Paper transport stop jam (paper holder plate operation delay) Paper transport stop jam (stack transport delay) Entrance sensor • Sensor check(S1) • Connector check (CN7, CN22) • Harness check Transport sensor • Sensor check(S2) • Connector check (CN7, CN22) • Harness check
  MJ-1106 Finisher Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. Entrance sensor (S1) • Sensor check • Connector check • Harness check Transport sensor (S2) • Sensor check • Connector check • Harness check Processing tray sensor (S12) • Sensor check • Connector check • Harness check Paper holding cam Is there any mechanical problem when the paper holding cam is rotated? Assist arm motor (M10) • Motor check • Connector check • Harness check Buffer tray guide Open and close the buffer tray guide. If there is any mechanical problem, fix its mechanism. buffer tray guide motor (M2) • Motor check • Connector check • Harness check Finisher control PC board (FIN) • Board check • Connector check (CN6, CN13, CN11, CN18, CN26) • Harness check

• Code: EA30
• Description: Power-ON jam: Paper exists at the inlet sensor when power is turned ON. [MJ-1031]
• Causes: Entrance sensor Finisher controller PC board
• Remedy: Entrance sensor • Sensor check • Connector check (J104) • Harness check Finisher controller PC board • Sensor check • Connector check (J104) • Harness check

• Code: EA31
• Description: Transport path paper remaining jam: The paper which has passed through the inlet sensor does not reach the transport sensor. [MJ-1101/ 1106]
• Causes: MJ-1101 Transport sensor Finisher controller PC board
  MJ-1106 Transport sensor (S2) Finisher control PC board (FIN)
• Remedy: MJ-1101 Transport sensor • Sensor check(S2) • Connector check (CN22) • Harness check Finisher controller PC board • Borad check • Connector check (CN22) • Harness check
  MJ-1106 Finisher Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. Transport sensor (S2) • Sensor check • Connector check • Harness check Finisher control PC board (FIN) • Board check • Connector check (CN6) • Harness check

• Code: EA32
• Description: Exit paper remaining jam: The paper is remaining on the finishing tray when the power is turned ON. [MJ-1101/1106]
• Causes: MJ-1101 Processing tray sensor Finisher controller PC board
  MJ-1106 Processing tray sensor (S12) Finisher control PC board (FIN)
• Remedy: MJ-1101 Processing tray sensor • Sensor check(S12) • Connector check (CN11) • Harness check Finisher controller PC board • Sensor check • Connector check (CN11) • Harness check
  MJ-1106 Finisher 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 (CN18) • Harness check

• Code: EA40
• Description: Joint open jam: The finisher cover opened during machine operation. [MJ-1031] Cover open error: The front cover or stationary tray is opened during paper transport. [MJ-1106]
• Causes: MJ-1031 Joint switch Finisher controller PC board
  MJ-1101 Handle cover If it is broken. Front cover switch Stationary tray opening/closing switch Finisher controller PC board
• Remedy: MJ-1031 Finisher • Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. • 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. Joint switch • Switch check • Connector check (J110) • Harness check Finisher controller PC board • Board check • Connector check (J110) • Harness check
  MJ-1101 Front cover switch • Switch check(SW1) • Connector check (CN16) • Harness check Stationary tray opening/closing switch • Switch check(SW2) • Connector check (CN16) • Harness check Finisher controller PC board • Switch check • Connector check (CN16) • Harness check

• Code: EA50
• Description: Stapling jam: Stapling is not performed properly. [MJ-1031/1101]
• Causes: MJ-1031 Stapler Finisher controller PC board
  MJ-1101 Stapler Finisher controller PC board
  MJ-1106 Stapler Finisher controller PC board
• Remedy: MJ-1031 Stapler • Check if there is any paper in the finisher or stapler and 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? • Connector check (J112, J113) • Harness check Finisher controller PC board • Board check • Connector check (J112, J113) • Harness check
  MJ-1101 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?(S11) • Connector check (CN2) • Harness check Finisher controller PC board • Board check • Connector check (CN2) • Harness check
  MJ-1106 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 • Board check • Connector check (CN19) • Harness check