• Code: 195
• Description: Serial Number Mismatch
  • Serial number stored in the memory does not have the correct code.
• Causes: • NVRAM defective • EGB 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 optics housing unit. 3. Replace the harness. 4. 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. Replace the polygon motor. 2. Replace the laser optics housing unit. 3. Replace the harness. 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. Replace the polygon motor. 2. Replace the laser optics housing unit. 3. Replace the harness. 4. Replace the BCU.

• Code: 210
• Description: Laser synchronizing detection error: end position [K]
  The laser synchronizing detection signal for the end position of LDB [K], [Y], [M], [C] is not detected for one second after the LDB unit turned on when detecting the main scan magnification.
• Causes: • Disconnected or defective harness to synchronizing detector for end position • Defective synchronizing detector board • Defective LD board or driver • Defective EGB
• Remedy: 1. Replace the harness of the LD board. 2. Replace the laser optics housing unit. 3. Replace the BCU.

• Code: 211
• Description: Laser synchronizing detection error: end position [Y]
  The laser synchronizing detection signal for the end position of LDB [K], [Y], [M], [C] is not detected for one second after the LDB unit turned on when detecting the main scan magnification.
• Causes: • Disconnected or defective harness to synchronizing detector for end position • Defective synchronizing detector board • Defective LD board or driver • Defective EGB
• Remedy: 1. Replace the harness of the LD board. 2. Replace the laser optics housing unit. 3. Replace the BCU.

• Code: 212
• Description: Laser synchronizing detection error: end position [M]
  The laser synchronizing detection signal for the end position of LDB [K], [Y], [M], [C] is not detected for one second after the LDB unit turned on when detecting the main scan magnification.
• Causes: • Disconnected or defective harness to synchronizing detector for end position • Defective synchronizing detector board • Defective LD board or driver • Defective EGB
• Remedy: 1. Replace the harness of the LD board. 2. Replace the laser optics housing unit. 3. Replace the BCU.

• Code: 213
• Description: Laser synchronizing detection error: end position [C]
  The laser synchronizing detection signal for the end position of LDB [K], [Y], [M], [C] is not detected for one second after the LDB unit turned on when detecting the main scan magnification.
• Causes: • Disconnected or defective harness to synchronizing detector for end position • Defective synchronizing detector board • Defective LD board or driver • Defective EGB
• Remedy: 1. Replace the harness of the LD board. 2. Replace the laser optics housing unit. 3. Replace the BCU.