Xerox Phaser 3425, Руководство по обслуживанию

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Service Manual vii
Service Safety Summary
General Guidelines
Note
The material presented here is intended as a safety reminder for qualified service
personnel. Refer also to the preceding Power Safety Precautions.
Avoid servicing 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 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 264 volts rms for a 220 volt AC outlet or 140 volts rms for a 110
volt AC outlet between the supply conductors or between either supply conductor and
ground. A protective ground connection by way of the grounding conductor in the
power cord is essential for safe operation.
Warning Labels
Read and obey all posted warning labels. Warning labels are displayed on potentially
dangerous printer components. As you service the printer, check to make certain that
all warning labels remain in place.
Safety Interlocks
Make sure all covers and the printer’s front panel are in place and all interlock
switches are functioning correctly after you have completed a printer service call. If
you bypass an interlock switch during a service call, use extreme caution when
working on or around the printer.
CLASS 1 LASER PRODUCT
The Phaser

34 25 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 is not hazardous during
servicing if you follow the procedures specified in the manual.