Phaser 4500/4510 Laser Printer Service Manual xiii
Power Safety Precautions
Power Source
For 110 VAC printers, do not apply more than 135 volts RMS between the
supply conductors or between either supply conductor and ground. Use only
the specified power cord and connector. For 220 VAC printers, do not apply
more than 254 volts RMS between the supply conductors or between either
supply conductor and ground. Use only the specified power cord. This manual
assumes that the reader is a Xerox-certified service technician.
Plug the three-wire power cord (with grounding prong) into a grounded AC
outlet only. If necessary, contact a licensed electrician to install a properly
grounded outlet. If the product loses its ground connection, contact with
conductive parts may cause an electrical shock.
Disconnecting Power
Turning the power off 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 so that you may power down the printer during an emergency.
■ Disconnect the power plug by pulling the plug, not the cord.
■ Disconnect the power cord in the following cases:
■ if the power cord or plug is frayed or otherwise damaged
■ if any liquid or foreign material is spilled into the case
■ if the printer is exposed to any excess moisture
■ if the printer is dropped or damaged
■ if you suspect that the product needs servicing or repair
■ whenever you clean the product
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