• Code: CB01
• Description: Finisher communication error
• Causes: Converter board Finisher control PC board
• Remedy: Setting of the equipment • Check if the MJ-1101, MJ-1106, MJ-1032 or MJ-1033 is set as the specified finisher on the equipment (08-4548). Finisher • Check if the harness connecting the equipment and the finisher controller PC board is disconnected or open circuited. • Check if the conductor pattern on the finisher controller PC board is open circuited or short circuited. • Update the finisher firmware. Converter • Check if the connector connecting the converter board and the LGC board on the equipment is disconnected or open circuited. • Check if the conductor pattern on the converter PC board is open circuited or short circuited. • Update the converter firmware.

• Code: CB10
• Description: Entrance motor abnormality: The entrance motor is not rotating normally. [MJ-1101/MJ-1106]
• Causes: MJ-1101 Entrance motor (M1) Finisher controller PC board
  MJ-1106 Entrance motor Finisher control PC board
• Remedy: MJ-1101 Entrance roller If there is mechanical problem when the entrance roller is rotated, fix the mechanism. Entrance motor (M1) Check the connectors and harnesses between the entrance motor (M1) and the finisher control PC board (CN7).
  MJ-1106 Feeding roller Rotate the feeding roller. Fix any mechanical problem. Entrance motor Check if the connector (CN26) on the finisher controller PC board is disconnected from the entrance motor (M1) and the harnesses are open circuited. Correct if so.

• Code: CB11
• Description: Buffer tray guide motor abnormality: The buffer tray guide motor is not rotating or the buffer tray guide is not moving normally. [MJ-1101/MJ-1106]
• Causes: MJ-1101 Buffer tray guide motor (M3) Finisher controller PC board
  MJ-1106 Buffer tray guide motor Finisher controller PC board
• Remedy: MJ-1101 Buffer tray guide If there is mechanical problem when the buffer tray guide is opened/closed while the buffer roller is lifted up, fix the mechanism. Buffer tray guide motor (M3) Check the connectors and harnesses between the buffer tray guide motor (M3) and the finisher control PC board (CN18).
  MJ-1106 Buffer tray guide Raise the buffer roller and open/close the buffer tray guide. Fix any mechanical problem. Buffer tray guide motor Check if the connector (CN11) on the finisher controller PC board is disconnected from the buffer tray guide motor (M2) and the harnesses are open circuited. Correct if so.

• Code: CB12
• Description: Buffer roller drive motor abnormality: The buffer roller drive motor is not rotating or the buffer roller is not moving normally. [MJ-1101/MJ-1106]
• Causes: MJ-1101 Buffer roller drive motor (M6) Finisher controller PC board
  MJ-1106 Buffer roller drive motor Finisher controller PC board
• Remedy: MJ-1101 Buffer roller If there is mechanical problem when the buffer roller is rotated, fix the mechanism. Buffer roller drive motor (M6) Check the connectors and harnesses between the buffer roller drive motor (M6) and the finisher control PC board (CN18).
  MJ-1106 Buffer roller Rotate the buffer roller. Fix any mechanical problem. Buffer roller drive motor Check if the connector (CN11) on the finisher controller PC board is disconnected from the buffer roller drive motor (M4) and the harnesses are open circuited. Correct if so.

• Code: CB13
• Description: Finisher exit motor abnormality [MJ-1101/MJ-1106]
• Causes: Exit motor Finisher control board
• Remedy: Exit roller • Is there any mechanical problem when the exit roller is rotated? Exit motor (M11). • Motor check • Connector check • Harness check Finisher control board • Connector check (CN13) • Board check

• Code: CB14
• Description: Paper holding arm motor abnormality [MJ-1101/MJ-1106]
• Causes: Assist arm motor Finisher control board
• Remedy: Paper pusher cam • Is there any mechanical problem when the paper pusher cam is rotated? Assist arm motor (M10) • Motor check • Connector check • Harness check Finisher control board • Connector check (CN13) • Board check

• Code: CB30
• Description: Movable tray shift motor abnormality: The movable tray shift motor is not rotating or the movable tray is not moving normally. [MJ-1101] Movable tray shift motor abnormality: The movable tray shift motor or the movable tray does not work properly. [MJ-1032] Movable tray shift motor abnormality: The movable tray shift motor or the movable tray does not work properly. [MJ-1033]
• Causes: MJ-1101 Movable tray shift motor (M7) Movable tray position A, B, and C sensors (S13, S14, and S15) Finisher controller PC board
  MJ-1106 Movable tray shift motor (M7) Movable tray position A, B, and C sensors (S13, S14, and S15) Finisher controller PC board
• Remedy: MJ-1101 Movable tray If there is mechanical problem when the movable tray is moved, fix the mechanism. Movable tray shift motor (M7) Check the connectors and harnesses between the movable tray shift motor (M7) and the finisher control PC board (CN8). Movable tray position A, B, and C sensors (S13, S14, and S15) • Connector check • Sensor check
  MJ-1106 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 (CN16). Movable tray position A, B, and C sensors (S13, S14, and S15) • Connector check • Sensor check
  MJ-1032 Movable tray shift motor (M1) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the moto Movable tray lower limit sensor (S14) abnormality Measure the voltage on TP17 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 among the connector terminals is normal. If electricity is not conducted, replace the connectors. (Finisher control PC board (FIN): CN4, CN10) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the motor, sensors and connectors, exchange the finisher control PC board (FIN). Stack top detection solenoid (SOL1) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the solenoid. Stack top detection sensor-1 (S1) abnormality Measure the voltage on TP11 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. Stack top detection sensor-2 (S2) abnormality Measure the voltage on TP20 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): CN3) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the solenoid, sensors and connector, exchange the finisher control PC board (FIN).
  MJ-1033 Movable tray shift motor (M5) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the motor. Movable tray shift motor clock sensor (S15) abnormality Measure the voltage on pin CN7.3 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. Movable tray upper limit sensor (S16) abnormality Measure the voltage on TP35 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. Movable tray lower limit sensor (S17) abnormality Measure the voltage on TP28 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. Movable tray middle sensor (S18) abnormality Measure the voltage on TP29 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 among the connector terminals is normal. If electricity is not conducted, replace the connectors. (Finisher control PC board (FIN): CN11, CN7, CN9, CN8) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the motor, sensors and connectors, exchange the finisher control PC board (FIN).

• Code: CB31
• Description: Movable tray paper-full detection error: The actuator of the movable tray paper-full detection sensor does not move smoothly. [MJ-1101/MJ-1106]
• Causes: MJ-1101 Movable tray paper-full detection sensor (S16) Finisher controller PC board
  MJ-1106 Movable tray paper-full sensor Finisher control PC board
• Remedy: MJ-1101 Movable tray paper-full detection sensor (S16) • If there is mechanical problem when the actuator is moved, fix the mechanism. • Sensor check • Check the connectors and harnesses between the movable tray paper-full detection sensor (S16) and the finisher control PC board (CN13).
  MJ-1106 Movable tray paper-full sensor 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 (CN12) 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.
  MJ-1033 Exiting paper holding solenoid (SOL1) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the solenoid. Paper holding home position sensor (S12) abnormality Measure the voltage on TP13 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. Stack top holding/detecting sensor (S11) abnormality Measure the voltage on TP71 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): CN3, CN4) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the solenoid, sensors and connector, exchange the finisher control PC board (FIN).