User's Manual

Laser failure detection
The DC controller determines an optical unit failure and notifies the formatter, if the laser/scanner
encounters the following conditions:
●
The scanner motor does not reach a specified rotation within a specified period of the scanner
motor start up.
●
The rotation of the scanner motor is out of specified range for a specified period during the scanner
motor drive.
●
The BD interval is out of a specified value during a print operation.
ENWW Engine-control system 25