• Code: CBC0
• Description: Alignment motor abnormality
• 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.

• Code: CBD0
• Description: Guide motor abnormality
• Remedy: MJ-1024 Is the guide home position sensor (PI13) working normally? → NO → Replace the sensor. YES Is the guide plate drive mechanism normal? → NO → Fix the mechanism. YES 1) Replacing the guide motor (M3). 2) Replace the saddle stitcher controller PC board.

• Code: CBE0
• Description: Paper folding motor abnormality
• Remedy: MJ-1024 Are the paper folding motor clock sensor (PI4) and paper folding home position sensor (PI21) working normally? → NO → Replace the sensors. YES Is the paper folding roller drive mechanism normal? → NO → Fix the mechanism. YES 1) Replacing the paper folding motor (M2). 2) Replace the saddle stitcher controller PC board.

• Code: CBF0
• Description: Paper positioning plate motor abnormality
• Remedy: MJ-1024 Is the paper positioning plate home position sensor (PI7) working normally? → NO → Replace the sensor. YES Is the paper positioning plate drive mechanism normal? → NO → Fix the mechanism. YES 1) Replacing the paper positioning plate motor (M4). 2) Replace the saddle stitcher controller PC board.

• Code: CC00
• Description: Sensor connector abnormality
• Remedy: MJ-1024 Are the guide home position sensor (PI13), paper pushing plate home position sensor (PI14) and paper pushing plate top position sensor (PI15) connected to the saddle stitcher controller PC board? → NO → Connect them to the board. YES Is the wiring between the sensors and the saddle stitcher correct? → NO → Correct the wiring. Is 5V DC being supplied from the connector pins J9-7, -10 and -13 on the saddle stitcher controller PC board? → NO → Replace the saddle stitcher controller PC board. YES Are the connector pins J9-8, -11 and -14 on the saddle stitcher controller PC board correctly connected to the ground? → NO → Replace the saddle stitcher controller PC board. YES End.

• Code: CC10
• Description: Microswitch abnormality
• Remedy: MJ-1024 Are the front cover switch (MS31), inlet door switch (SW1) and delivery door switch (SW3) normal? → NO → Replace the switches. YES Measure the voltage between J704-1 (+) and J704-2 (-) on the finisher controller PC board. Is it 24V? → NO → Replace the finisher controller PC board. Is the wiring between J704 on the finisher controller PC board and J1 on the saddle stitcher controller PC board correct? → NO → Correct the wiring. YES Replace the saddle stitcher controller PC board.

• Code: CC20
• Description: Communication error between finisher and saddle stitcher
• Remedy: MJ-1024 Is the problem solved by turning OFF and ON the power switch of the equipment? → YES→ End. NO Is the wiring between the finisher controller PC board and the saddle stitcher controller PC board connected? → NO → Connect the wiring. YES 1) Replace the finisher controller PC board. 2) Replace the saddle stitcher controller PC board.

• Code: CC30
• Description: Stack processing motor abnormality
• Remedy: MJ-1022 [Procedure 1] Is the tension of the drive belt normal? → NO → Loosen the adjustment screw to adjust its tension. YES Does the bushing attached to the returning roller shaft smoothly move up and down? ↓→ NO → Apply grease on the cut-out part of the front side frame with where the bushing contacts. Is the spring of the returning roller detached? → YES→ Attach the spring. NO Is the wiring between the finisher controller PC board and stack processing motor (M2) correct? → NO → Correct the wiring. YES Is the stack delivery lever home position sensor (S8) working properly? → NO → Replace the sensor. YES 1) Replacing the stack processing motor. 2) Replace the finisher controller PC board. [Procedure 2] Does the bushing attached to the returning roller shaft smoothly move up and down? ↓→ NO → Apply grease on the cut-out part of the front side frame with where the bushing contacts. YES Is the spring of the returning roller detached? → YES→ Attach the spring. NO Is the tension of the stack processing motor drive belt normal? → NO → Loosen the adjustment screw to adjust its tension. YES Is the returning roller home position sensor (S3) working properly? → NO → Replace the sensor. YES 1) Replace the stack processing motor. 2) Replace the finisher controller PC board.