• Code: CB11
• Description: Buffer tray guide motor abnormality. A [CB11] error occurs if the [ED16] error occurs three times in succession or the [ED16] error occurs during the initialization.
• Causes: Buffer tray guide motor (M3) Finisher controller PC board
  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. Buffer roller drive motor abnormality: The buffer roller drive motor is not rotating or the buffer roller is not moving normally.
• Causes: Buffer roller drive motor (M6) Finisher controller PC board
  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 (M11) abnormality
• Causes: Exit motor Finisher control board
• Remedy: MJ-1101/1106 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 pusher arm motor (M10) abnormality
• Causes: Assist arm motor Finisher control board
• Remedy: MJ-1101/1106 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: CB20
• Description: Delivery motor abnormality
• Causes: Exit motor clock sensor (PI10) Finisher controller circuit board Exit motor
• Remedy: MJ-1031 Paper exit roller Rotate the paper exit roller manually and fix any mechanical problem. Exit motor clock sensor (PI10) • Connector check • Sensor check Finisher controller circuit board Check that the voltage of the finisher controller circuit board between J11-4 and J11-5 is 24V while the exit motor is rotated. Exit motor • Connector check • Harness check

• Code: CB30
• Description: Movable tray shift motor abnormality. Movable tray shift motor abnormality: The movable tray shift motor is not rotating or the movable tray is not moving normally.
• Causes: Movable tray shift motor (M7) Movable tray position A, B, and C sensors (S13, S14, and S15) Finisher controller PC board
  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

• Code: CB31
• Description: Movable tray paper-full detection error. Movable tray paper-full detection error: The actuator of the movable tray paper-full detection sensor does not move smoothly.
• Causes: Movable tray paper-full detection sensor (S16) Finisher controller PC board
  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.

• Code: CB40
• Description: Front alignment motor abnormality * You receive a [CB40] error when the [ED13] error occurs three times in succession.
• Causes: Front alignment motor (M9) Finisher controller PC board
  Front alignment motor (M5) Finisher controller PC board
• Remedy: MJ-1101 Front alignment plate If there is mechanical problem when the front alignment plate is moved, fix the mechanism. Front alignment motor (M9) Check the connectors and harnesses between the front alignment motor (M9) and the finisher control PC board (CN10).
  MJ-1106 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 (CN10).