• Code: CB51
• Description: Stapler shift home position detection error
• Remedy: MJ-1101 Is there any mechanical problem when the stapler is moved? ..YES Fix the mechanism. NO Is there a disconnection of the connector, incorrect installation or breakage of the stapler unit home position sensor (S10)? ll ..YES • Connect the connector securely. • Reinstall the sensor correctly. • Replace the sensor. NO Is the harness between the stapler unit home position sensor (S10) and the finisher control PC board (CN1) disconnected or open circuited? l ..YES • Reconnect the connector securely. • Replace the harness. NO Is the harness between the stapler unit shift motor (M4) and the finisher control PC board (CN5) disconnected or open circuited? l ..YES • Reconnect the connector securely. • Replace the harness. NO Replace the finisher control PC board.

• Code: CB60
• Description: Stapler unit shift motor abnormality: The stapler unit shift motor is not rotating normally or the Stapler Unit is not moving normally. [MJ-1025] Stapler shift motor abnormality: Stapler shift motor is not rotating or staple unit is not moving normally. [MJ-1024/ 1101]
• Remedy: MJ-1025 Is the slide home position sensor (PI18) working properly? NO Replace the sensor controller PC board. YES Is the wiring between the finisher controller PC board and slide motor correct? NO Correct the wiring. YES Is there any mechanical problem with the stapler stand motion path? YES Fix the mechanism. NO Try replacing the slide motor (M8). Is the problem corrected? YES End. NO Replace the finisher controller PC board.
  MJ-1024 Is the stapler shift home position sensor (PI40) working normally? NO Replace the sensor. YES Is the wiring between the finisher controller PC board and the stapler shift motor (M35) correct? NO Correct the wiring. YES Is there any mechanical problem with the stapler stand motion path? YES.. Fix the lift mechanism. NO 1. Replace the stapler shift motor. 2. Replace the finisher controller PC board.
  MJ-1101 Is there any mechanical problem when the stapler is moved? ..YES Fix the mechanism. NO Is the harness between the stapler unit shift motor (M4) and the finisher control PC board (CN5) disconnected or open circuited? l ..YES • Reconnect the connector securely. • Replace the harness. NO 1. Replace the stapler unit shift motor (M4). 2. Replace the finisher control PC board.

• Code: CB80
• Description: Backup RAM data abnormality: 1. Abnormality of checksum value on finisher controller board is detected when the power is turned on. [MJ-1025/MJ-1024/MJ-1031] 2. Abnormality of checksum value on punch controller board is detected when the power is turned on. [MJ-1025 (when MJ-6005 is installed), MJ-1024 (when MJ-6004 is installed)]
• Remedy: MJ-1024 Is the problem solved by turning the power of the equipment OFF and ON? YES End. NO 1. Replace the finisher controller PC board. 2. Replace the punch controller PC board.
  MJ-1024 Is the problem solved by turning the power of the equipment OFF and ON? YES.. End. NO 1. Replace the finisher controller PC board. 2. Replace the punch controller PC board.
  MJ-1031 Is the problem solved by turning the power of the equipment OFF and ON? YES.. End. NO Replace the finisher controller PC board
  MJ-1101 Is the error recovered when the power of the equipment is turned OFF and then back ON? ..YES End. NO Replace the finisher control PC board.

• Code: CB81
• Description: Flash ROM abnormality: Abnormality of checksum value on finisher controller PC board is detected when the power is turned ON. [MJ-1101]
• Remedy: MJ-1101 Is the error recovered when the power of the equipment is turned OFF and then back ON? ..YES End. NO 1. Check if the conductor pattern on the finisher controller PC board is open circuited or short circuited. 2. Replace the finisher control PC board

• Code: CB90
• Description: Paper pushing plate motor abnormality: Paper pushing plate motor is not rotating or paper pushing plate is not moving normally. [MJ-1024]
• Remedy: MJ-1024 Are the paper pushing plate home position sensor (PI14), paper pushing plate top position sensor (PI15) and paper pushing plate motor clock sensor (PI1) working normally? NO Replace the sensor. YES Is the paper pushing plate drive mechanism normal? NO Fix the mechanism. YES 1. Replace the paper pushing plate motor (M8). 2. Replace the saddle stitcher controller PC board

• Code: CBA0
• Description: Stitch motor (front) abnormality: Stitch motor (front) is not rotating or rotary cam is not moving normally. [MJ-1024]
• Remedy: MJ-1024 Are the front and rear stitchers and their stands installed properly? NO Install them properly. YES Are the stitcher home position switches (SW7/SW5) and stitcher motors (M7/M6) on the front and rear stitchers working normally? NO Replace the front or rear stitcher. YES Replace the saddle stitcher controller PC board.

• Code: CBB0
• Description: Stitch motor (rear) abnormality: Stitch motor (rear) is not rotating or rotary cam is not moving normally. [MJ-1024]
• Remedy: MJ-1024 Are the front and rear stitchers and their stands installed properly? NO Install them properly. YES Are the stitcher home position switches (SW7/SW5) and stitcher motors (M7/M6) on the front and rear stitchers working normally? NO Replace the front or rear stitcher. YES Replace the saddle stitcher controller PC board.

• Code: CBC0
• Description: Alignment motor abnormality: Alignment motor is not rotating or aligning plate is not moving normally. [MJ- 1024]
• Remedy: MJ-1024 Is the alignment plate home position sensor (PI5) working normally? NO Replace the sensor. YES Is the alignment plate drive mechanism normal? NO Fix the mechanism. YES 1. Replace the alignment motor (M5). 2. Replace the saddle stitcher controller PC board