• Code: CB30, EAFC
• Description: [CB30] Movable tray shift motor abnormality [EAFC] Movable tray height error (paper jam). MJ-1109/1110
• Causes: Movable tray shift motor (M12) Movable tray position A, B, and C sensors (S13, S14 and S15). Finisher control PC board (FIN)
• Remedy: Movable tray If there is mechanical problem when the movable tray is moved, fix the mechanism. Movable tray shift motor (M12) Check the connectors and harnesses between the movable tray shift motor (M12) and the finisher control PC board (CN19). Movable tray position A, B, and C sensors (S13, S14 and S15) • Connector check (CN20) • Sensor check • Harness check

• Code: CB31, EAFD
• Description: [CB31] Movable tray paper-full detection error [EAFD] Movable tray movement error (paper jam). MJ-1109/1110
• Causes: Movable tray paper-full sensor (S16) Movable tray position A, B, and C sensors (S13, S14 and S15) Finisher control PC board (FIN)
• Remedy: Movable tray paper-full sensor (S16) Fix any mechanical problem occurring when the actuator is moved. Check if there is a disconnection of the connector, incorrect installation or breakage of the movable tray paper-full sensor (S16). If there is, reinstall the sensor correctly or replace it. Check if the connector (CN22) on the finisher controller PC board is disconnected from the movable tray paper-full sensor (S16) and the harnesses are open circuited. Correct if so. Movable tray position A, B, and C sensors (S13, S14 and S15) • Connector check (CN20) • Sensor check • Harness check

• Code: CB40
• Description: Front alignment motor abnormality * You receive a [CB40] error when the [ED13] error occurs three times in succession. MJ-1042
• Causes: Rear alignment motor (M3) Rear alignment plate home position sensor (S6) The turning OFF of the rear alignment plate home position sensor (S6) is not detected when the rear alignment plate is moved from a point where this sensor is turned ON to one point where this sensor is turned OFF after the rear alignment motor (M3) has been driven at the specified number of pulse. The turning ON of the rear alignment plate home position sensor (S6) is not detected when the rear alignment plate is moved from a point where this sensor is turned OFF to one point where this sensor is turned ON after the rear alignment motor (M3) has been driven at the specified number of pulse.
• Remedy: Rear alignment motor (M3) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the motor. Rear alignment plate home position sensor (S6) abnormality Measure the voltage on TP16 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„b5% 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 connectors. (Finisher control PC board (FIN): CN5, CN12) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the motor, sensor and connectors, exchange the finisher control PC board (FIN).

• Code: CB40
• Description: Front alignment motor abnormality * You receive a [CB40] error when the [ED13] error occurs three times in succession. MJ-1109/1110
• Causes: Front alignment motor (M5). Finisher control PC board (FIN)
• Remedy: Front alignment plate If there is mechanical problem when the front alignment plate is moved, fix the mechanism. Front alignment motor (M5) Check the connectors and harnesses between the front alignment motor (M5) and the finisher control PC board (CN18).

• Code: CB50
• Description: Staple motor (M10) abnormality MJ-1042
• Causes: Stapler motor (M10) Staple unit clinching home position sensor (S16) The staple unit clinching home position sensor (S16) does not detect the opening of the staple unit after the stapler motor (M10) has been driven reversely in the specified time from the closing during the initial movement of the staple unit. The staple unit clinching home position sensor (S16) does not detect the opening of the staple unit in the specified time from the closing during the clinching movement of the staple unit, and also this sensor does not detect the opening by the reverse rotation of the motor after the stapler is stopped. The staple unit clinching home position sensor (S16) does not detect the closing of the staple unit after the specified time during the clinching movement of the staple unit. The staple unit clinching home position sensor (S16) does not detect the opening of the staple unit at the start of the clinching.
• Remedy: Staple motor (M10) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the staple unit. Staple unit clinching home position sensor (S16) abnormality Measure the voltage on CN16 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when the sensor is ON and within the range of 3.3V„b5% when OFF. If the voltage does not fall within the range mentioned, replace the staple unit. Staple unit improper clinching prevention sensor (S15) abnormality Measure the voltage on TP25 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„b5% 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 connectors. (Finisher control PC board (FIN): CN16, CN17) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the motor, sensors, switch and connectors, exchange the finisher control PC board (FIN).

• Code: CB50
• Description: Stapler home position error * You receive a [CB50] error when the [EA50] error occurs three times in succession. MJ-1109/1110
• Causes: Stapler Finisher control PC board (FIN
• Remedy: Stapler • Check the connectors and harnesses between the stapler and finisher controller PC board (CN2). • Check the harnesses in the stapler.

• Code: CB51
• Description: Staple unit sliding motor (M7) abnormality MJ-1042
• Causes: Staple unit sliding motor (M7) Staple unit sliding home position sensor (S3) The turning OFF of the staple unit sliding home position sensor (S3) is not detected when the staple unit is moved from a point where this sensor is turned ON to one point where this sensor is turned OFF after the staple unit sliding motor (M7) has been driven at the specified number of pulse. The turning ON of the staple unit sliding home position sensor (S3) is not detected when the staple unit is moved from a point where this sensor is turned OFF to one point where this sensor is turned ON after the staple unit sliding motor (M7) has been driven at the specified number of pulse.
• Remedy: Staple unit sliding motor (M7) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the staple unit. Staple unit sliding home position sensor (S3) abnormality Measure the voltage on TP18 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 3.3„b5% 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 connectors. (Finisher control PC board (FIN): CN3, CN18) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the staple unit, sensors and connectors, exchange the finisher control PC board (FIN).

• Code: CB51, EAFB
• Description: [CB51] Stapler shift home position error [EAFB] Stapler movement error (paper jam). MJ-1109/1110
• Causes: Stapler unit home position sensor (S10) Stapler unit shift motor (M9) Finisher control PC board (FIN)
• Remedy: Stapler Move the stapler. Fix any mechanical problem. Stapler unit home position sensor (S10) Check if there is a disconnection of the connector, incorrect installation or breakage of the stapler unit home position sensor (S10). If there is, reinstall the sensor correctly or replace it. Check if the connector (CN27) on the finisher controller PC board is disconnected from the stapler unit home position sensor (S10) and the harnesses are open circuited. Correct if so. Stapler unit shift motor (M9) Check if the connector (CN15) on the finisher control PC board is disconnected from the stapler unit shift motor (M9) and the harnesses are open circuited. Correct if so.