Safety vii
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.
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.