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PPU-231 User’s Manual
CITIZEN
PRECAUTIONS FOR INSTALLATION
• Do not use or store the equipment in a place exposed to fire, moisture, or direct sunshine, or in a place
near a heater or thermal device where the prescribed operating temperature and humidity are not met, or
in a place exposed to much oil, iron powder, or dust. The equipment may become out of order, emit
smoke, or catch fire.
• Do not install or use the equipment in a place like a laboratory where chemical reactions are expected,
or in a place where salt or gases are contained in the air. There is a danger of fire or electric shock.
• Install the unit on a flat, stable desk or table that is free from vibration, in a well-ventilated place.
• Do not install the unit at a location where its operation could be hindered.
• Do not place anything on the unit or leave small objects, like a clip or pin, around it. A foreign object
could cause trouble if it gets inside.
• Do not use any sharp-pointed object, such as a pen, for example, to touch the operation panel of the unit.
It could cause trouble.
• Do not use the equipment near a radio or TV receiver. Do not share the power from a plug socket a
radio or TV receiver is connected to. It may cause a reception problem.
• Use the equipment only at the specified power supply, voltage and frequency. Otherwise, it may emit
smoke and catch fire or cause other problems.
• Connect only the specified power source. Use of an unspecified power source could cause trouble or
smoke/fire.
• Confirm that a plug socket used for connection has sufficient capacity.
• Avoid connecting a power cable to a plug socket shared by other devices or extending the wiring too far.
It may result in the cable catching fire or a power outage. Also, do not step on or apply an excessive
force (Pull, load) to the cable, and do not use the unit with such a force applied to it.
• Never connect a grounding cable (Frame ground) to a gas pipe. There is a danger of explosion.
When connecting or disconnecting the grounding cable, be sure to disconnect the power cable and the
power plug from the plug socket.
• When connecting/disconnecting the cables, be sure to turn off the power first, including the connected
side, and then connect/disconnect them, holding a plug and a connector. Pulling the cable itself could
cause it to snap or become damaged.
• Connect a power cable or a connector cable securely. If a reverse-polarity connection is made, internal
elements may be broken or a mating device may be adversely affected.
• Use a shielding wire or twisted pair wire for a signal line, in order to minimize noise effect. Do not
route the cable too long or connect it to a noisy device. Connection to a noisy device could cause
erroneous printing due to corrupt data, and so on.
• Use the equipment in an environment where there is a plug socket near the main body and you can
easily disconnect the power plug from it, to shut off the power.
• When the equipment will not be used for a long period of time, unplug it and remove the paper roll from
it.
• When transporting the equipment, remove the paper roll from the paper holder.