• Code: 165
• Description: Copy Data Security Unit error
  • The copy data security board is not detected when the copy data security function is set "ON" with the initial setting. • A device check error occurs when the copy data security function is set "ON" with the initial setting.
• Causes: • Incorrect installation of the copy data security board • Defective copy data security board
• Remedy: 1. Reinstall the copy data security board. 2. Replace the copy data security board.

• Code: 195
• Description: Serial Number Mismatch
  • Serial number stored in the memory does not have the correct code.
• Causes: • NVRAM defective • BICU replaced without original NVRAM
• Remedy: 1. Reinstall the original NVRAM in the replaced BCU. 2. Turn off and on the main power switch of the copier if a new NVRAM is installed in the BCU.

• Code: 202
• Description: Polygon motor error 1: ON timeout
  The polygon mirror motor does not reach the targeted operating speed within the specified time after turning on or changing speed
• Causes: • Defective or disconnected harness to polygon motor driver board • Defective polygon motor driver board • Defective polygon motor.
• Remedy: 1. Replace the polygon motor. 2. Replace the laser unit. 3. Replace the harness. 4. Replace the IPU board. 5. Replace the BCU.

• Code: 203
• Description: Polygon motor error 2: OFF timeout
  The polygon mirror motor does leave the READY status within 3 seconds after the polygon motor switches off.
• Causes: • Disconnected or defective harness to polygon motor driver board • Defective polygon motor driver board • Defective polygon motor
• Remedy: 1. Check or replace the harness. 2. Replace the polygon motor. 3. Replace the IPU board. 4. Replace the BCU.

• Code: 204
• Description: Polygon motor error 3: XSCRDY signal error
  The SCRDY_N signal goes HIGH (inactive) while the laser diode is firing.
• Causes: • Disconnected or defective harness to polygon motor driver board • Defective polygon motor • Defective polygon motor driver board
• Remedy: 1. Check or replace the harness. 2. Replace the polygon motor. 3. Replace the IPU board. 4. Replace the BCU.

• Code: 220
• Description: Laser synchronizing detection error: start position [K]
  The laser synchronizing detection signal for the start position of the LDB [K], [Y], [M], [C] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
• Causes: Disconnected cable from the laser synchronizing detection unit or defective connection. Defective laser synchronizing detector. Defective LDB. Defective BICU.
• Remedy: 1. Check the connectors. 2. Replace the laser unit. 3. Replace the IPU board. 4. Replace the BCU.

• Code: 222
• Description: Laser synchronizing detection error: start position [Y]
  The laser synchronizing detection signal for the start position of the LDB [K], [Y], [M], [C] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
• Causes: Disconnected cable from the laser synchronizing detection unit or defective connection. Defective laser synchronizing detector. Defective LDB. Defective BICU.
• Remedy: 1. Check the connectors. 2. Replace the laser unit. 3. Replace the IPU board. 4. Replace the BCU.

• Code: 224
• Description: Laser synchronizing detection error: start position [M]
  The laser synchronizing detection signal for the start position of the LDB [K], [Y], [M], [C] is not output for two seconds after LDB unit turns on while the polygon motor is rotating normally.
• Causes: Disconnected cable from the laser synchronizing detection unit or defective connection. Defective laser synchronizing detector. Defective LDB. Defective BICU.
• Remedy: 1. Check the connectors. 2. Replace the laser unit. 3. Replace the IPU board. 4. Replace the BCU.