• Code: E54
• Description: ADU paper transport jam
• Remedy: Is the ADU pushed in securely to the copier? N: Push in the ADU securely to the copier. Y: Is the connector J104 on the LGC board disconnected? Is the harness between the LGC board and the ADU drawer connector open-circuited? Y: Reconnect the connector. Replace the harness. N: 1. Replace the LGC board. 2. Replace the ADU.

• Code: E71
• Description: Original not reaching the aligning sensor
• Remedy: Have too many originals been placed? Y: Reset the originals, following the specification. N: Are the original sheets curled or folded too much? Y: Flatten and reset the originals. N: Are different-size originals placed together? Y: Set only one-size originals. N: Is the gap between the aligning plate and the feed roller too large? Y: Adjust the gap. N: Is the separation pad stained? Y: Clean the separation pad.

• Code: E72
• Description: Original not reaching the exit sensor
• Remedy: Have too many originals been placed? Y: Reset the originals, following the specification. N: Are the original sheets curled or folded too much? Y: Flatten and reset the originals. N: Are different-size originals placed together? Y: Set only one-size originals. N: Is the gap between the aligning plate and the feed roller too large? Y: Adjust the gap. N: Is the separation pad stained? Y: Clean the separation pad.

• Code: E73
• Description: Original not passing the exit sensor
• Remedy: Have too many originals been placed? Y: Reset the originals, following the specification. N: Are the original sheets curled or folded too much? Y: Flatten and reset the originals. N: Are different-size originals placed together? Y: Set only one-size originals. N: Is the gap between the aligning plate and the feed roller too large? Y: Adjust the gap. N: Is the separation pad stained? Y: Clean the separation pad.

• Code: E79
• Description: Original pre-feed jam
• Remedy: Have too many originals been placed? Y: Reset the originals, following the specification. N: Are the original sheets curled or folded too much? Y: Flatten and reset the originals. N: Are different-size originals placed together? Y: Set only one-size originals. N: Is the gap between the aligning plate and the feed roller too large? Y: Adjust the gap. N: Is the separation pad stained? Y: Clean the separation pad.

• Code: E9F
• Description: Punching jam
• Remedy: Is there any paper remaining on the transport path in the finisher or copier? Y: Remove the paper. N: Is either of the connectors J1 or J3 on the punch driver PC board disconnected? Is the harness connecting the punch driver PC board and punch home position sensor (PI3P) open-circuited? Y: Connect the connector securely. Replace the harness. N: Is the punch home position sensor working properly? N: 1. Connect the connector of the punch home position sensor securely. 2. Replace the punch home position sensor. Y: Replace the punch driver PC board.

• Code: EA1
• Description: Paper transport delay jam
• Remedy: Is there any paper remaining on the transport path in the finisher or copier? Y: Remove the paper. N: Is the connector J17 on the finisher controller PC board disconnected? Is the harness connecting the finisher controller PC board and inlet sensor (PI1) open-circuited? Y: Connect the connector securely. Replace the harness. N: Is the inlet sensor functioning properly? (Does the actuator return normally?) N: 1. Connect the connector of the inlet sensor securely. 2. Attach the actuator if it has come off. 3. Replace the inlet sensor. Y: Replace the finisher controller PC board.

• Code: EA2
• Description: Paper transport stop jam
• Remedy: Is there any paper remaining on the transport path in the finisher or copier? Y: Remove the paper. N: Is any of the connectors J17, J24, J9 and J11 on the finisher controller PC board disconnected? Is any of the harnesses connecting between the finisher controller PC board and sensors (inlet sensor (PI1), buffer path inlet paper sensor (PI17), buffer path paper sensor (PI14), stapling tray sensor (PI4) and delivery sensor (PI3)) open-circuited? Y: Connect the connector securely. Replace the harness. N: Are the inlet sensor, buffer path inlet paper sensor, buffer path paper sensor, stapling tray sensor and delivery sensor functioning properly? (Do the actuators return normally?) N: 1. Connect the connectors of the sensors securely. 2. Attach the actuators if they have come off. 3. Replace the sensors. Y: Replace the finisher controller PC board.