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