viii WorkCentre C2424 Copier-Printer
Service Safety Summary
General Guidelines
For qualified service personnel only: 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. Throughout the printer, warning labels are displayed
on potentially dangerous 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 system’s control panel are in place and all interlock switches are
functioning correctly after you have completed a service call. If you bypass an interlock switch
during a service call, use extreme caution when working on or around the system.
Servicing Electrical Components
Before starting any service procedure, switch off the printer power and unplug the power cord
from the wall outlet. If you must service the system with power applied, be aware of the
potential for electrical shock.
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Turning the power off by using the On/Off switch does not completely de-energize the
printer. You must also disconnect the printer power cord from the AC outlet. Position the
power cord so that it is easily accessible during servicing.
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Do not touch any electrical component unless you are instructed to do so by a service
procedure.
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