• Code: CB84
• Description: Hole Punch Unit - Main CPU program error
• Causes: Hole punch control PC board
• Remedy: Hole punch control PC board (HP) • Is the firmware version of the PNC board (HP) latest? • Connector check • Board check

• Code: CB90
• Description: Paper pushing plate motor abnormality: Paper pushing plate motor is not rotating or paper pushing plate is not moving normally.
• Causes:
• Remedy: Paper folding blade motor (M12) abnormality Check if the electrical continuity of the coil is normal. If electricity is not conducted, replace the motor. Paper folding blade motor clock sensor (S24) abnormality Measure the voltage on TP66 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V±5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Paper folding blade home position sensor (S19) abnormality Measure the voltage on TP64 on the finisher control PC board (FIN). Then check that the measured voltage is 1V or lower when not shielded and within the range of 3.3V±5% when shielded. If the voltage does not fall within the range mentioned, replace the sensor. Faulty cables and connectors Check if the electrical continuity between the connector terminals is normal. If electricity is not conducted, replace the connectors. (Finisher control PC board (FIN): CN11, CN15) Finisher control PC board (FIN) abnormality If the error still occurs after replacing the motor, sensors and connectors, exchange the finisher control PC board (FIN).

• Code: CB91
• Description: Saddle Stitch Finisher flash ROM abnormality [MJ-1106]
• Causes: Saddle controller PC board
• Remedy: Reboot • Is the error recovered when the power of the equipment is turned OFF and then back ON? Saddle controller PC board (SDL) • Check if the conductor pattern on the saddle controller PC board (SDL) is open circuited or short circuited.

• Code: CB92
• Description: Saddle Stitch Finisher RAM abnormality [MJ-1106]
• Causes: Saddle controller PC board
• Remedy: Reboot • Is the error recovered when the power of the equipment is turned OFF and then back ON?

• Code: CB93
• Description: Additional folding motor abnormality [MJ-1106]
• Causes: Additional folding motor Saddle control PC board
• Remedy: Finisher related service call The [CB93] error also occurs when the error [EF18] has occurred consecutively for 3 times. Additional folding carrierr • Is there any mechanical problem when the additional folding carrier is moved? • Connector check • Harness check Additional folding motor (M20) • Motor check • Connector check • Harness check Saddle control PC board (SDL) • Connector check (CN18) • Board check

• Code: CB94
• Description: Saddle transport motor abnormality [MJ-1106]
• Causes: Saddle transport motor Saddle control PC board
• Remedy: Finisher related service call The [CB94] error also occurs when the error [EAB0] or [EF13] has occurred consecutively for 3 times. Check item Measures Transport roller • Is there any mechanical problem when the transport rollers are rotated? Saddle transport motor (M16) • Motor check • Connector check • Harness check Saddle control PC board (SDL) • Connector check (CN18) • Board check

• Code: CB95
• Description: Stacker motor abnormality [MJ-1106]
• Causes: Stacker motor Saddle control PC board
• Remedy: Stacker carrier • Is there any mechanical problem when the stacker carrier is moved? Stacker motor (M14) • Motor check • Connector check • Harness check Saddle control PC board (SDL) • Connector check (CN4) • Board check

• Code: CBA0
• Description: Front saddle stapler home position error: The stapler home position detection is abnormally operated and finished. [MJ-1106]
• Causes: Front saddle stapler clinch unit Saddle control PC board
• Remedy: Front saddle stapler clinch unit Harness check Saddle control PC board (SDL) • Connector check (CN6) • Board check