Laser Exposure; Overview - Gestetner B130 Service Manual

LASER EXPOSURE

6.12 LASER EXPOSURE

6.12.1 OVERVIEW

[H]
[G]
[F]
[A]: LD Unit
[B]: Synchronization Detector Lens
[C]: OPC Drum
[D]: Shield Glass
• The LD unit controls both the laser output and the laser synchronization
mechanism.
• The machine cuts the power to the LD drive board when the front door or right
door is opened.
• The LD shutter blocks the laser-beam path if the toner bottle holder or THM (toner
hopper magazine) is unlatched.
B129 Series/B044 Series
CÓPIA NÃO CONTROLADA
[A]
[E]
[E]: Toroidal Lens
[F]: Polygon Mirror Motor
[G]: Cylindrical Lens
[H]: LD Shutter
6-28
CÓPIA NÃO CONTROLADA
[B]
[C]
[D]
B046D101.WMF
SM