Hitachi LP-WU6600 User Manual page 16

Warning, Notices and Safety Instructions
Location of laser aperture
Below drawing is the laser aperture location. Be careful not to let the eye see the light directly.
Interlock switches
This machine has interlock switches to protect the laser light leakage.
1. Switch will power-off the system when the Top cover is opened.
2. Switch Will power-off the system individually when the lens is removed or not install correctly.
16
Laser aperture
2
1