Citizen Systems CLP-8301 - Manual (Page 13)

Chapter 2 Safety Precautions
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Avoid unsafe places
Avoid unsafe places such as the top of a shaky desk, an uneven
surface or any area subject to vibration. Failure to observe this
precaution may cause the printer to fall or turn over, resulting in
injury.
Dot not put water-filled containers nearby
Do not put containers filled with water or chemical liquids such as
vases and cups near the printer. If a liquid spills or enters the
printer, turn off the power switch immediately, remove the plug of
the power cord from the outlet, and contact our service
personnel. Continued use without corrective action may result in
fire or electrical shock.
Do not allow any foreign matter to enter
Do not allow any metallic objects or flammable material to enter
or fall into the printer through the openings (such as the cable
port and fanfold media insertion slot). If foreign matter enters,
turn off the power switch immediately, remove the plug of the
power cord from the outlet, and contact our service personnel.
Continued use without corrective action may result in fire or
electrical shock.
Do not use an improper power voltage
Do not use a power voltage other than the specified in the rating
label on the rear of the printer. Failure to observe this precaution
may result in fire or electrical shock.
Connect the ground wire
Make sure that the ground wire to the printer is properly
connected to the earth. Failure to do so may result in electrical
shock.