User's Manual Dot Matrix Printer iDP-3420, iDP-3421, iDP-3423

iDP-3420/3421/3423 User’s Manual

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Do not use or store the equipment in a place exposed to fire, moisture, or direct sunlight, or

in a place near a heater or a 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 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.

Do not put any object on the printer. It may 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 voltage and frequency. Otherwise, it may emit

smoke and catch fire or cause other problems.

Confirm that a plug socket used for connection has sufficient capacity.

Do not overload a single electrical outlet in connecting the power cable. It may result in

the cable catching fire or a power outage. Also, do not stamp or put any object on the

cable.

Never connect a grounding cable to a gas pipe. There is a danger of explosion. When

connecting or disconnecting the grounding cable, be sure to disconnect 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. Do not

pull or carry the equipment with a load applied to the cable.

Connect 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.

Avoid connecting to a device that is likely to generate noise.

When a drawer kick connector is provided, do not connect any device other than the

prescribed solenoid specifications. Negligence of this could cause trouble.

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.

When transporting the equipment, remove the rolled paper from it.

Install the equipment on a flat, stable desk in a well-ventilated place free from vibrations.

(Do not block the ventilation port.)