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3. Operation Precautions
3-1. Ensuring the optimum performance of this unit
• Never place heavy objects on the unit or subject it to shocks.
• Make sure that the power supply plug is securely inserted into the electrical outlet.
• Never remove secured panels or open doors of the unit while it is printing.
• Never turn off the unit while it is printing.
• Always provide good ventilation when using the unit for a long period of time within a
confined area.
• Never use combustible sprays near the unit.
• If the unit becomes unusually warm or generates an unusual noise, immediately turn it
off, and then unplug the power supply cord.
• Never turn on the unit at the same time that the power supply cord is being plugged in.
• When unplugging the power supply cord, always grasp the plug, not the cord.
• Never bring magnetized objects near the unit.
• Never place vases or other containers filled with liquid on the unit.
• Be sure to turn off the unit if it is not to be used for a long period of time or if a power out-
age occurs.
• Never allow metal objects such as paper clips or staples to fall into the unit or any of its
openings.
3-2. Operating environment
In order to ensure proper operation of the unit, make sure that the operating environment
meets the following conditions:
• Temperature: 50-95° F (10-35
°C)
• Humidity: 15-85% Rh
• Temperature fluctuation:
±18° F (10 °C) per hour
• Humidity fluctuation:
±20% Rh per hour
3-3. Power supply requirements
In order to ensure proper operation of the unit, make sure that the power supply meets the
following conditions:
• Voltage fluctuation
±10% of the specified voltage
• Frequency fluctuation
±3 Hz%
• In order to reduce the risk of electric shock in the event of a short circuit, the ground wire
must be connected.
• Attach the ground wire to the ground terminal of the electrical outlet or to a ground con-
nection that complies with local electrical standards.
• Never connect the ground wire to a gas pipe, a telephone ground connection, a lightning
rod or a water pipe, otherwise a fire or electric shock may occur.
3-4. Other precautions
When servicing a machine equipped with a laser beam, observe the following precautions:
• When servicing parts in the path of the laser beam (near the print head or PC drum), be
sure to first unplug the power supply cord of the unit.
• When you are required to service the unit with the power supply cord plugged in, be sure
to strictly observe the following precautions:
1. Before performing any service procedures, be sure to remove any reflective accesso-
ries such as watches and rings, and wear laser protective goggles.
2. Be sure that nobody is nearby while you perform the service operations.
3. Do not bring highly reflective tools into the path of the laser beam.