• Code: EA28
• Description: Paper transport jam (assisting arm operation delay): [MJ-1103/1104]
• Causes: Assist arm motor (M10) Finisher controller board
• Remedy: Finisher • Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. 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 Finisher controller board • Connector check(CN13) • Board check

• Code: EA29
• Description: Paper transport jam (stack transport delay): [MJ1103/1104]
• Causes: Buffer tray guide motor (M2) Finisher controller board
• Remedy: Finisher • Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. Buffer tray • Is there any mechanical problem when the buffer tray guide is opened and closed while the buffer roller is kept raised? Buffer tray guide motor (M2) • Motor check • Connector check • Harness check Finisher controller board • Connector check(CN11) • Board 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-1103/1104]
• Causes: Transport sensor (S2) Finisher controller board
• Remedy: 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 controller board • Connector check(CN11) • Board check

• Code: EA32
• Description: Exit paper remaining jam: The paper is remaining on the finishing tray when the power is turned ON. [MJ-1103/1104]
• Causes: Finishing tray paper detection sensor (S12) Finisher controller board
• Remedy: Finisher • Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. Finishing tray paper detection sensor (S12) • Sensor check • Connector check • Harness check Finisher controller board • Connector check(CN11) • Board check

• Code: EA40
• Description: Door open jam: The upper/front cover of the finisher section or the upper/ front door of the puncher section has opened during printing. [MJ-1103/1104] Cover open error: The front cover or stationary tray cover is opened during paper transport. [MJ-1103/1104]
• Causes: Front cover switch (SW1) Stationary tray opening/closing switch (SW2) Finisher controller board
• Remedy: Cover • Close the front cover or the stationary tray cover 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(CN16) • Board check

• Code: EA50
• Description: Stapling jam: Stapling is not performed properly. [MJ-1103/1104]
• Causes: Stapler interference sensor (S11) Finisher controller board
• Remedy: Finisher • Check if there is any paper in the finisher or on the transport path of the equipment 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? Stapler interference sensor (S11) • Sensor check • Connector check • Harness check Finisher controller board • Connector check(CN2) • Board check

• Code: EA60
• Description: Early arrival jam: The inlet sensor detects the paper earlier than a specified timing. [MJ-1103/1104]
• Causes: Entrance sensor (S1) Finisher controller board
• Remedy: 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 Finisher controller board • Connector check(CN7) • Board check

• Code: EA70
• Description: Stack exit belt home position error: The stack exit belt is not at the home position. [MJ-1103/1104]
• Causes: Stack belt exit home position sensor (S9) Stack transport motor (M5) Finisher controller board
• Remedy: Stack belt exit home position sensor (S9) • Sensor check • Connector check • Harness check Stack transport motor (M5) • Motor check • Connector check • Harness check Finisher controller board • Connector check(CN10, CN11) • Board check Upper surface detection sensor • Refer to CB31