Description: Product number error The input product number (11 digits) is not equal to the product identification code.
Causes: The input product number (11 digits) is not proper.
Remedy: Enter the product number again.
Code: 202
Description: Polygon motor error 1: ON timeout The polygon mirror motor did not reach the targeted operating speed within T1 seconds after turning on or changing speed. * T1 = Time within which polygon rotation should become stable.
Remedy: • Turn the Power Switch Off and On. • Connect the harness properly. • Replace the Polygon motor/driver board.
Code: 220
Description: Laser synchronization detection error: LD0 The laser synchronizing detection signal for the start position of the LD is not output within 500 ms after the LDB unit turns on with the polygon motor rotating normally.
Causes: Disconnected cable from the laser synchronizing detection unit or defective connection. efective laser synchronizing detector. Laser beam does not go into the photo detector. Defective GAVD. Defective LD Driver. Defective LDB. Defective BCU.
Remedy: • Turn the Power Switch Off and On.
Code: 221
Description: Laser synchronization detection error: except LD0 The laser synchronizing detection signal for the start position of the other LDs are not output within 500 ms after LDB unit turns on with the polygon motor rotating normally.
Causes: Laser beam does not go into the photo detector. Defective GAVD. Defective LD Driver. Defective LDB. Defective BCU.