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. Check the serial number. 2. If the stored serial number is incorrect, contact your supervisor.
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 interface harness of the laser optics unit. 2. Replace the laser optics unit. 3. Replace the EGB (Engine Board).
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 interface harness of the laser optics unit. 2. Replace the laser optics unit. 3. Replace the EGB (Engine Board).
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 interface harness of the laser optics unit. 2. Replace the laser optics unit. 3. Replace the EGB (Engine Board).
Code: 220
Description: Laser Synchronizing Detection Error: [K]/[Y] The laser synchronizing detection signal for LDB [K]/[Y] is not output after the LDB unit has turned 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 EGB
Remedy: 1. Check the connectors. 2. Replace the laser optics unit. 3. Replace the EGB.
Code: 224
Description: Laser Synchronizing Detection Error: [M]/[C] The laser synchronizing detection signal for LDB [M]/[C] is not output after the LDB unit has turned 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 EGB
Remedy: 1. Check the connectors. 2. Replace the laser optics unit. 3. Replace the EGB.