• Code: CD3
• Description: Laser calibration error (M)
• Remedy: Replace the IMC board.

• Code: CD4
• Description: Laser calibration error (Y)
• Remedy: Replace the IMC board.

• Code: CD5
• Description: Saddle stitcher/sensor connector connection error
• Remedy: [Procedure 1] Is the connector of guide home position sensor (PI13S) connected to the connector on the saddle stitcher controller PC board? N: Connect the two connectors. Y: Is the wiring between the sensor and the saddle stitcher correct? N: Correct the wiring. Y: Is 5V DC being supplied from J9-7 on the saddle stitcher controller PC board? N: Replace the saddle stitcher controller PC board. Y: Is J9-8 on the saddle stitcher controller PC board correctly connected to the ground? N: Replace the saddle stitcher controller PC board. Y: End
  [Procedure 2] Is the connector of paper pushing plate home position sensor (PI14S) connected to the connector on the saddle stitcher controller PC board? N: Connect the two connectors. Y: Is the wiring between the sensor and the saddle stitcher correct? N: Correct the wiring. Y: Is 5V DC being supplied from J9-10 on the saddle stitcher controller PC board? N: Replace the saddle stitcher controller PC board. Y: Is J9-11 on the saddle stitcher controller PC board properly connected to the ground? N: Replace the saddle stitcher controller PC board. Y: End
  [Procedure 3] Is the connector of paper pushing plate top position sensor (PI15S) connected to the connector on the saddle stitcher controller PC board? N: Connect the two connectors. Y: Is the wiring between the sensor and the saddle stitcher correct? N: Correct the wiring. Y: Is 5V DC being supplied from J9-13 on the saddle stitcher controller PC board? N: Replace the saddle stitcher controller PC board. Y: Is J9-14 on the saddle stitcher controller PC board properly connected to the ground? N: Replace the saddle stitcher controller PC board. Y: End

• Code: CD6
• Description: Saddle stitcher/microswitch abnormal
• Remedy: [Procedure 1] Is the switch actuator for the inlet door working properly? N: Correct the mechanism. Y: Is the inlet cover switch (MS1S) working normally? N: Replace the switch. Y: Is the voltage of J10-8 on the saddle stitcher controller PC board 5V when the inlet door is open? Y: The inlet cover sensor (PI9S) is broken. Replace it. N: Is the voltage between J19-2 (+) and J19-1 (-) on the finisher controller PC board 24 V? N: Replace the finisher controller PC board. Y: Check and correct the wiring between J19 on the finisher controller PC board and J1 on the saddle stitcher controller PC board. If there is no problem, replace the saddle stitcher controller PC board.
  [Procedure 2] Is the switch actuator for the front door working properly? N: Correct the mechanism. Y: Is the front cover switch (MS2S) working normally? N: Replace the switch. Y: Is the voltage of J11-12 on the saddle switcher controller PC board 5V when the front door is opened? Y: The front cover open/closed sensor (PI2S) is broken. Replace it. N: Replace the saddle stitcher controller PC board.
  [Procedure 3] Is the switch actuator for the delivery door working properly? N: Correct the mechanism. Y: Is the delivery cover switch (MS3S) working normally? N: Replace the switch. Y: Is the voltage of J11-9 on the saddle stitcher controller PC board 5V when the delivery door is opened? Y: The delivery cover sensor (PI3S) is broken. Replace it. N: Replace the saddle stitcher controller PC board.

• Code: CD7
• Description: Communication error between finisher and saddle stitcher
• Remedy: Is the problem solved by turning OFF and ON the power switch of the copier? Y: End N: Is the wiring between the finisher controller PC board and the saddle stitcher controller PC board correct? N: Correct the wiring. Y: Is the voltage between J3-2 (+) and J3-1 (-) on the finisher controller PC board 24V DC? N: Replace the finisher controller PC board. Y: Replace the saddle stitcher controller PC board.

• Code: CD9
• Description: Swing motor abnormal
• Remedy: [Procedure 1] Rotate the swing motor in reverse by hand. Does the swing guide move up and down? N: Correct the swing mechanism. Y: Is the swing guide closed detection switch-2 (MS6) working normally? N: Replace the switch. Y: Is the swing guide open sensor (PI18) working normally? N: Replace the sensor. Y: Is the swing motor (M7) rotating in reverse at the specified timing? N: Replace the motor. Y: End
  [Procedure 2] Is the safety zone switch (MS3) working normally? NO Replace the switch. YES Is the safety zone switch (MS3) correctly pressed? NO Correct the mechanism. YES Is the swing guide closed detection switch-2 (MS6) working normally? NO Replace the switch. YES Is the swing guide closed detection switch-2 (MS6) correctly pressed? NO Correct the mechanism. YES Replace the finisher controller PC board.
  [Procedure 3] Is the swing motor clock sensor (PI20) working normally? NO Replace the sensor. YES Does the voltage between J11-6 and -7 on the finisher controller PC board become 24V when the swing motor starts rotating? NO Replace the finisher controller PC board. YES Is the wiring between the swing motor and finisher controller PC board correct? NO Correct the wiring. YES Replace the swing motor.

• Code: CDA
• Description: Horizontal registration motor abnormal
• Remedy: Is the horizontal registration home position sensor (PI1P) working normally? NO Replace the sensor. YES Is the wiring between the horizontal registration home position sensor (PI1P) and finisher controller PC board correct? NO Correct the wiring. YES Is the horizontal registration mechanism normal? NO Correct the mechanism. YES Is the problem solved by replacing the horizontal registration motor (M2P)? YES End NO Is the problem solved by replacing the punch driver PC board? YES End NO Replace the finisher controller PC board.

• Code: CDB
• Description: Punch motor abnormal
• Remedy: Is the punch home position sensor (PI3P) working normally? NO Replace the sensor. YES Is the wiring between the punch home position sensor (PI3P) and finisher controller PC board correct? NO Correct the wiring. YES Is the punching mechanism normal? NO Correct the mechanism. YES Is the problem solved by replacing the punch motor (M1P) ? YES End NO Is the problem solved by replacing the punch driver PC board? YES End NO Replace the finisher controller PC board.