
Service Safety Summary
For qualified service personnel only: Refer also to the preceding Users Safety
Summary.
Do not service alone: Do not perform internal service or adjustment of this
product unless another person capable of rendering first aid or resuscitation is
present.
Use care when servicing with power: Dangerous voltages may exist at several
points in this product. To avoid personal injury, do not touch exposed
connections and components while power is on.
Disconnect power before removing the power supply shield, soldering or
replacing components.
Do not wear jewelry: Remove jewelry prior to servicing. Rings, necklaces and
other metallic objects could come into contact with dangerous voltages and
currents.
Power source: This product is intended to operate from a power source that will
not apply more then 250 volts rms between the supply conductors or between
wither supply conductor and ground. A protective ground connection by way of
the grounding conductor in the power cord is essential for safe operation.
This product is certified under IEC 825 as a Class 1 Laser Product.
CLASS 1 LASER PRODUCT
The DocuPrint®N4525 Network Laser Printer is certified to comply with Laser
Product Performance Standards set by the U.S. Department of Health and
Human Services as a Class 1 Laser Product. This means that this is a class of
laser product that does not emit hazardous laser radiation; this is possible only
because the laser beam is totally enclosed during all modes of customer
operation.
The laser and output of the laser scanner unit produces a beam that, if looked
into, could cause eye damage. Service procedures must be followed exactly as
written without change.
When servicing the machine or laser module, follow the procedures specified in
the manual and there will be no hazards from the laser.
Laser (FDA): Any laser label visible to service must be reproduced in the service
manual with location shown or indicated. Safe working procedures and clear
warnings concerning precautions to avoid possible exposure must also be
included.
The Laser contained in the DocuPrint®N4525 Network Laser Printer meets the
following standard: Laser class 3B, maximum 5mW, wavelength 780nm.
The following LASER symbol will be displayed at the start of any procedure