• Code: CB01
• Description: Finisher communication error: Communication error has occurred between the equipment and finisher. [MJ-1103/1104]
• Causes: Finisher control board. LGC board
• Remedy: Harness (MFP - Finisher) • Connector check • Harness check Finisher control board • Connector check • Board check F/W Update the finisher firmware. F/W Update the Converter firmware. LGC board • Connector check • Board check

• Code: CB10
• Description: Entrance motor abnormality: The entrance motor is not rotating normally. [MJ-1103/1104]
• Causes: Entrance motor Finisher control board
• Remedy: Entrance roller • Is there any mechanical problem when the entrance roller is rotated? Entrance motor (M1) • Motor check • Connector check • Harness check Finisher control board • Connector check (CN7) • Board check

• 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. [MJ1103/1104]
• Causes: Buffer tray guide motor. Finisher control board
• Remedy: Buffer tray guide • Is there any mechanical problem when the buffer tray guide is opened/closed while the buffer roller is lifted up? Buffer tray guide motor (M3). • Motor check • Connector check • Harness check Finisher control board • Connector check (CN18) • Board check

• 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-1103/ 1104]
• Causes: Buffer roller drive motor Finisher control board
• Remedy: Buffer roller • Is there any mechanical problem when the buffer roller is rotated? Buffer roller drive motor (M6). • Motor check • Connector check • Harness check Finisher control board • Connector check (CN18) • Board check

• Code: CB13
• Description: Finisher exit motor abnormality
• 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
• 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 [MJ-1103/1104]
• Causes: Movable tray shift motor Movable tray position-A/-B/-C sensor Finisher control board
• Remedy: Movable tray • Is there any mechanical problem when the movable tray is moved? Movable tray shift motor (M7) • Motor check • Connector check • Harness check Movable tray position-A/-B/-C sensor (S13, S14, S15) • Sensor check • Connector check • Harness check Finisher control board • Connector check (CN8) • Board check

• Code: CB31
• Description: Movable tray paper-full detection error [MJ-1103/1104]
• Causes: Movable tray paper-full detection sensor Movable tray position-A/-B/-C sensor Finisher control board
• Remedy: Movable tray paper-full detection sensor (S16) • Is there any mechanical problem when the actuator of the movable tray paper-full detection sensor (S16) is moved? • Connector check • Harness check Movable tray position-A/-B/-C sensor (S13, S14, S15) • Sensor check • Connector check • Harness check Finisher control board • Connector check (CN12) • Board check