Oki B6100 Technical Manual page 12

ROS Assy
WARNING: This printer uses a laser as part of the printing process. The laser beam is a very
powerful, straight, narrow beam of light that produces extreme heat at its focal
point. The laser beam in the Asama printer is invisible. Although you cannot see
the beam, it can still cause severe damage. Direct eye exposure to the laser beam
may cause eye injury or blindness.
To avoid permanent eye damage, follow these directions:
• Before starting any service procedure, switch off the printer power and unplug the power cord from
the wall outlet.
• Do not disassemble the ROS Assy or any laser component displaying a Laser Warning Sticker.
• Use caution when you are working around the ROS Assy or if you are performing laser related repair
procedures.
• The OKI B6100 Laser Printer is equipped with two safety switches; the Switch Assy I/L Front (the
switch that breaks the 24V circuit when the Cover Assy Front opens) and the Switch Assy I/L Rear
(the switch that breaks the 3.3V circuit for the Motor Assy Exit when the Cover Rear opens). The
Switch Assy I/L Front supplies the power to all internal components. The Switch Assy I/L Rear sup-
plies the power to the Motor Assy Exit. It is extremely dangerous to cheat the Switch Assy I/L while
the CRU is removed.
Safety Components
Make sure fuses, interlock switches, covers and panels are all functioning properly after you have rein-
stalled or replaced them.
xii OKI B6100 Laser Printer - Base Engine Technical Manual
Version 1.0