• 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-1109/1110]
• Causes: Entrance sensor (S1) Finisher control PC board (FIN)
• Remedy: Paper 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 (CN8) • Harness check Finisher control PC board (FIN) • Board check • Connector check (CN8) • 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-1109/1110]
• Causes: Assist guide motor (M10) Finisher control PC board (FIN)
• Remedy: Paper Check if there is any paper in the finisher or on the transport path of the equipment and remove it if there is. Assist guide Is there any mechanical problem when the assist guide is rotated? If there is any mechanical problem, fix its mechanism. Assist guide motor (M10) • Motor check • Connector check (CN10) • Harness check Finisher control PC board (FIN) • Board check • Connector check (CN10) • 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-1109/1110]
• Causes: Buffer tray guide motor (M2) Finisher control PC board (FIN)
• Remedy: Paper 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 guide Is there any mechanical problem when the buffer tray guide is opened and closed while the buffer roller is kept raised? If there is any mechanical problem, fix its mechanism. Buffer tray guide motor (M2) • Motor check • Connector check (CN10) • Harness check Finisher control PC board (FIN) • Board check • Connector check (CN8) • Harness check

• Code: EA2A
• Description: Paper transport jam in the Finisher (between the entrance path and middle path sensor): The leading edge of the paper has passed the entrance path sensor, but does not reach the middle path sensor in the Finisher Unit transport path. [MJ-1042]
• Causes:
• Remedy: 1st transport motor (M8) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the motor. 2nd transport motor (M4) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the motor. Entrance path sensor (S19) abnormality Measure the voltage on TP86 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Middle path sensor (S7) abnormality Measure the voltage on TP84 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connector. (Finisher control PC board (FIN): CN6, CN14, CN22) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the sensor and the connector, replace the finisher control PC board (FIN).

• Code: EA2B
• Description: Paper transport jam in the Finisher (middle path sensor): The paper remains at the middle path sensor for a longer period than specified while being transported on the Finisher Unit transport path. [MJ-1042]
• Causes:
• Remedy: 2nd transport motor (M4) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the motor. Entrance path sensor (S19) abnormality Measure the voltage on TP86 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Middle path sensor (S7) abnormality Measure the voltage on TP84 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connector. (Finisher control PC board (FIN): CN6, CN14, CN22) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the sensor and the connector, replace the finisher control PC board (FIN).

• Code: EA2C
• Description: Paper transport jam in the Finisher (between the entrance path and sub-path sensor): The leading edge of the paper has passed the entrance sensor, but does not reach the sub-path sensor in the Finisher Unit transport path. [MJ-1042]
• Causes:
• Remedy: 1st transport motor (M8) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the motor. 2nd transport motor (M4) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the motor. Entrance path sensor (S19) abnormality Measure the voltage on TP86 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Sub-path sensor (S8) abnormality Measure the voltage on TP85 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor.

• Code: EA2D
• Description: Paper transport jam in the Finisher (sub-path sensor): The paper remains at the sub-path sensor for a longer period than specified while being transported on the Finisher Unit transport path. [MJ-1042]
• Causes:
• Remedy: 2nd transport motor (M4) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the motor. Entrance path sensor (S19) abnormality Measure the voltage on TP86 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Sub-path sensor (S8) abnormality Measure the voltage on TP85 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Stationary tray full detection sensor (S11) abnormality Measure the voltage on TP26 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connector. (Finisher control PC board (FIN): CN6, CN10, CN14, CN22) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the sensor and the connector, replace the finisher control PC board (FIN).

• Code: EA2E
• Description: Paper transport remaining jam in the Finisher (subpath sensor): Paper is detected in the sub-path sensor when the power is turned ON or the cover is closed. [MJ-1042]
• Causes:
• Remedy: Entrance path sensor (S19) abnormality Measure the voltage on TP86 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Sub-path sensor (S8) abnormality Measure the voltage on TP85 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Stationary tray full detection sensor (S11) abnormality Measure the voltage on TP26 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V+-5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connector. (Finisher control PC board (FIN): CN6, CN10, CN22) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the sensor and the connector, replace the finisher control PC board (FIN).