Xerox DocuColor 12/DCCS50, Service Manual

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iii DocuColor 12/DCCS50
Introduction
Reissue
Introduction
Safety
WARNING
The DocuColor 12/DCCS50 contains an invisible laser. There is no visual indication that
the laser beam is present. During servicing, the DocuColor 12/DCCS50 is a Class 3B
product because of the invisible laser. the laser beam could cause eye damage if looked
at directly. Service procedures must be followed exactly as written without change. The
service representative must observe the established local laser safety precautions
when servicing the DocuColor 12/DCCS50. Do not place tools with a reflective surface
in the area of the Charge Corotron or the ROS opening. Do not look in the area of the
Charge Corotron or the ROS window if the power is On and the laser is energized with
the Toner Cartridge Unit removed.
The following symbol and statement appear on a label in the machine when the Toner
Cartridge Cover or the Toner Cartridge Unit are removed. The symbol by itself, or the
symbol and the statement may also appear in the service documentation and in the
training program. When this symbol appears, the service representative is warned that
conditions exist that could result in exposure to the laser beam.
WARNING
Do not try to bypass any laser interlocks for any reason. Permanent eye damage could
result if the laser is accidentally directed into your eye.
Figure 1 Laser Hazard Symbol
Laser Hazard Statement
DANGER INVISIBLE LASER RADIATION WHEN OPEN. AVOID DIRECT EXPOSURE TO
BEAM.
CAUTION
The use of controls or adjustments other than those specified in the Laser Safety Training Pro-
gram may result in an exposure to dangerous laser radiation.
For additional information, review the Laser Safety Training program.
Photoreceptor Drum Light Shock
CAUTION
Protect the Photoreceptor Drum from the light by covering it with the bag when the Drum is
removed from the machine or exposed to light. The bag is stored in the Tray 1 storage com-
partment. The Drum can be damaged by light shock.
Electrostatic Discharge Damage
CAUTION
Use the ESD Kit and the established ESD procedures when accessing parts of the machine
other than those normally accessed by the operator. The Kit and procedures must be used
even though PWBs are not touched directly. Components of the machine can be damaged by
electrostatic discharge.
Toner, Developer and Drum
CAUTION
Do not store the Toner, the Developer, or the Drum in the service vehicle.
Disconnecting and Reconnecting Electrical Connectors.
CAUTION
Disconnecting and reconnecting electrical connectors while power is “On” can cause damage
to PWBs and other electrical components. Always switch “OFF” power before disconnecting or
reconnecting electrical connectors.