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The power cord is attached to the printer as a plug-in device at the back of the printer. If it is
necessary to disconnect all electrical power from the printer, disconnect the power cord from
the electrical outlet.
Warning
Do not remove the covers or guards that are fastened with screws unless you are installing
optional equipment and are specifically instructed to do so. Power should be OFF when
performing these installations. Except for user-installable options, there are no parts that
you can maintain or service behind these covers.
Note
Leave the printer on for optimum performance; it does not pose a safety hazard.
The following are hazards to your safety:
The power cord is damaged or frayed.
Liquid is spilled into the printer.
The printer is exposed to water.
If any of these conditions occur:
1.
Turn off the printer immediately.
2.
Disconnect the power cord from the electrical outlet.
3.
Call an authorized service representative.
Laser Safety
With specific regard to lasers, this printer complies with laser product performance standards
set by governmental, national, and international agencies and is certified as a Class 1 Laser
Product. The printer does not emit hazardous light because the beam is totally enclosed during
all modes of customer operation and maintenance.
Maintenance Safety
Do not attempt any maintenance procedure that is not specifically described in the
documentation supplied with your printer.
Do not use aerosol cleaners. The use of supplies that are not approved may cause poor
performance and could create a hazardous condition.
Do not burn any of the supplies (such as a toner cartridge, fuser, or transfer roller).
Operational Safety
Your printer and supplies were designed and tested to meet strict safety requirements. These
include safety agency examination, approval, and compliance with established environmental
standards.
Your attention to the following safety guidelines helps to ensure the continued, safe operation
of your printer.
Phaser™ 3420 Laser Printer
35
A–User Safety
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