viii WorkCentre C2424 Copier-PrinterService Safety SummaryGeneral GuidelinesFor qualified service personnel only: Refer also to the preceding Power SafetyPrecautions.Avoid servicing alone: Do not perform internal service or adjustment of this productunless another person capable of rendering first aid or resuscitation is present.Use care when servicing with power: Dangerous voltages may exist at severalpoints in this product. To avoid personal injury, do not touch exposed connections andcomponents while power is on. Disconnect power before removing the power supply shield orreplacing components.Do not wear jewelry: Remove jewelry prior to servicing. Rings, necklaces, and othermetallic 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 applymore then 264 volts RMS for a 220 volt AC outlet or 140 volts RMS for a 110 volt AC outletbetween the supply conductors or between either supply conductor and ground. A protectiveground connection by way of the grounding conductor in the power cord is essential for safeoperation.Warning LabelsRead and obey all posted warning labels. Throughout the printer, warning labels are displayedon potentially dangerous components. As you service the printer, check to make certain that allwarning labels remain in place.Safety InterlocksMake sure all covers and the system’s control panel are in place and all interlock switches arefunctioning correctly after you have completed a service call. If you bypass an interlock switchduring a service call, use extreme caution when working on or around the system.Servicing Electrical ComponentsBefore starting any service procedure, switch off the printer power and unplug the power cordfrom the wall outlet. If you must service the system with power applied, be aware of thepotential for electrical shock.WarningTurning the power off by using the On/Off switch does not completely de-energize theprinter. You must also disconnect the printer power cord from the AC outlet. Position thepower cord so that it is easily accessible during servicing.WarningDo not touch any electrical component unless you are instructed to do so by a serviceprocedure.
