• Code: F4-77
• Description: Finisher Top Tray Exit SENSOR Static JAM B
• Causes: Paper remains on the Finisher Top Tray Exit Sensor. At this time, the H-X'port Exit Sensor is OFF state but the Finisher X'port Entrance Sensor is ON state.

• Code: F4-78
• Description: Finisher Top Tray Exit SENSOR Static JAM C
• Causes: Paper remains on the Finisher Top Tray Exit Sensor. At this time, both H-X'port Exit Sensor and Finisher X'port Entrance Sensor are OFF state.

• Code: F4-82
• Description: Finisher Gate Sensor ON JAM
• Causes: Finisher Gate Sensor is not turned ON within the specified time after the Finisher H-X'port Exit Sensor is ON.

• Code: F4-83
• Description: Finisher Gate SENSOR Static JAM (to Top Tray) A
• Causes: Paper remains on the Gate Sensor when the Finisher is in the Top Tray exit mode. At this time, the H-X'port Exit Sensor is ON state.

• Code: F4-84
• Description: Finisher Gate SENSOR Static JAM (to Top Tray) B
• Causes: Paper remains on the Gate Sensor when the Finisher is in the Top Tray exit mode. At this time, the X'port Entrance Sensor is ON state but the H-X'port Exit Sensor is OFF state.

• Code: F4-85
• Description: Finisher Gate SENSOR Static JAM (to Top Tray) C
• Causes: Paper remains on the Gate Sensor when the Finisher is in the Top Tray exit mode. At this time, both X'port Entrance Sensor and H-X'port Exit Sensor are OFF state.

• Code: F4-86
• Description: Finisher Gate SENSOR Static JAM (to Stacker Tray) A
• Causes: Paper remains on the Gate Sensor when the Finisher is in the Stacker Tray exit mode. At this time, the H-X'port Exit Sensor is ON state.

• Code: F4-87
• Description: Finisher Gate SENSOR Static JAM (to Stacker Tray) B
• Causes: Paper remains on the Gate Sensor when the Finisher is in the Stacker Tray exit mode. At this time, the X'port Entrance Sensor is ON state but the H-X'port Exit Sensor is OFF state.