Description: Serial number mismatch
Serial number stored in the memory is not correct. NOTE: Check the serial number with SP5-811-002. If the stored serial number is incorrect, contact your product specialist for details of how to solve the problem.
Causes: • NVRAM defective • BICU replaced without original NVRAM
Code: 201
Description: Polygon motor error
• The polygon motor starts operating. → The lock signal is not detected within 20 seconds. • The polygon motor starts operating. → The lock signal is detected within 20 seconds. → After a 3second waiting time, no lock signal is detected within 20 seconds. • The polygon motor stops operating. → The lock signal is not detected within 20 seconds. • The polygon motor is operating. → The lock signal remains undetected for 0.5 seconds.
Causes: • Defective polygon motor • Defective harness
Code: 220
Description: 1st beam synchronization error
A polygon motor lock is detected; the LD door is closed; and the LD remains on. → The LD error (1st beam synchronization error) continues for 0.5 seconds.
Description: 2nd beam synchronization error
A polygon motor lock is detected; the LD door is closed; and the LD remains on. → The LD error (2nd beam synchronization error) continues for 0.5 seconds.