xvi Phaser 6121MFP Service Manual
Service Safety Summary
General Guidelines
For qualified service personnel only: Refer also to the preceding “Power Safety
Precautions” on page xiv.
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.
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 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 6121MFP 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 product does not emit hazardous laser
radiation; which is possible only because the laser beam is totally enclosed during
all modes of customer operation. When servicing the printer or laser unit, follow
the procedures specified in this manual to minimize hazards from the laser.
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