• Code: CB50
• Description: Staple unit abnormality
• Causes: Stapler Finisher controller PC board
• Remedy: MJ-1031 Stapler Check the connectors and harnesses between the stapler and finisher controller PC board (J112, J113).

• Code: CB50
• Description: Stapler home position error * You receive a [CB50] error when the [EA50] error occurs three times in succession.
• Causes: Finisher controller PC board
  Stapler Finisher controller PC board
• Remedy: MJ-1101 Stapler • Check the connectors and harnesses between the stapler(M4) and finisher controller PC board (CN2). • Check the harnesses in the stapler.
  MJ-1106 Stapler • Check the connectors and harnesses between the stapler and finisher controller PC board (CN19). • Check the harnesses in the stapler.

• Code: CB51
• Description: Stapler shift home position error
• Causes: Stapler unit home position sensor (S10) Finisher controller PC board
  Stapler unit home position sensor Finisher controller PC board
• Remedy: MJ-1101 Stapler If there is mechanical problem when the stapler is moved, fix the mechanism. Stapler unit home position sensor (S10) • Sensor check • Check the connectors and harnesses between the stapler unit home position sensor (S10) and the finisher control PC board (CN1). Stapler unit shift motor (M4) Check the connectors and harnesses between the stapler unit shift motor (M4) and the finisher control PC board (CN5).
  MJ-1106 Stapler Move the stapler. Fix any mechanical problem. Stapler unit home position sensor Check if there is a disconnection of the connector, incorrect installation or breakage of the stapler unit home position sensor (S10). If there is, reinstall the sensor correctly or replace it. Check if the connector (CN21) on the finisher controller PC board is disconnected from the stapler unit home position sensor (S10) and the harnesses are open circuited. Correct if so. Stapler unit shift motor Check if the connector (CN10) on the finisher controller PC board is disconnected from the stapler unit shift motor (M9) and the harnesses are open circuited. Correct if so.

• Code: CB60
• Description: Stapler unit shift motor abnormality
• Causes: Stapler unit shift motor (M4) Finisher controller PC board
  Stapler unit shift motor (M4) Finisher controller PC board
• Remedy: MJ-1101 Stapler If there is mechanical problem when the stapler is moved, fix the mechanism. Stapler unit shift motor (M4) Check the connectors and harnesses between the stapler unit shift motor (M4) and the finisher control PC board (CN5).
  MJ-1106 Stapler If there is mechanical problem when the stapler is moved, fix the mechanism. Stapler unit shift motor (M9) Check the connectors and harnesses between the stapler unit shift motor (M9) and the finisher control PC board (CN10).

• Code: CB80
• Description: Backup RAM data abnormality. Backup RAM data abnormality: Abnormality of checksum value on finisher controller PC board is detected when the power is turned ON.
• Causes: Finisher controller PC board
• Remedy: Main power switch Turn OFF the main power switch, then back ON.

• Code: CB80
• Description: Backup RAM data abnormality. Backup RAM data abnormality: Abnormality of checksum value on finisher controller PC board is detected when the power is turned ON.
• Causes: Finisher controller PC board
• Remedy: MJ-1101/1106 Main power switch Turn OFF the main power switch, then back ON.

• Code: CB81
• Description: Flash ROM abnormality
• Causes: Finisher controller PC board
• Remedy: MJ-1101/1106 Main power switch Turn OFF the main power switch, then back ON. Finisher controller PC board Board check

• Code: CB82
• Description: Finisher main program error
• Causes: Finisher control board
• Remedy: MJ-1106 Finisher control board Update the firmware version of the finisher control PC board (FIN).