5
3. OPERATING PRECAUTIONS
Be careful of the following precautions and use the products properly in order to deliver and maintain the
full performance of the products.
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Using Products
Precautions for use environment
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Be careful not to drop or bump the products on a hard surface.
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DO NOT install the products in direct sunlight.
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Be careful about the ambient temperature and humidity.
Suitable environment for the use of the printer is as follows:
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Range of the temperature : 5°C to 45°C (41°F to 113°F)
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Range of the humidity : 10%RH to 90%RH (Non condensing)
See "15 SPECIFICATIONS" for the guaranteed humidity range at each temperature.
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DO NOT install the products near devices that generate strong magnetism such as a copy machine
motor.
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DO NOT install the products in a location that is subject to corrosive gas, siloxane and so on.
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DO NOT connect the AC adapter or AC cable to the same outlet with devices that generate noise.
Precautions on use and operation
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DO NOT print without the thermal paper.
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DO NOT use thermal papers taped together.
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NEVER forcibly pull out the thermal paper by hand with the thermal paper loaded.
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DO NOT open the top cover during printing or cutting.
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DO NOT connect or disconnect the interface cable during printing or communication.
DO NOT touch the plug of the interface cable during printing.
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When handling the printer, be aware of static electricity. When the static electricity is discharged,
this could cause a USB communication failure.
When this problem occurs, disconnect the USB plug that is connected to the host device and wait a
few seconds before connecting it again.
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DO NOT use the thermal head when it is wet. Doing so may damage the printer.
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Printing under low temperature environment or printing at a high print rate might cause unclear
printing or generate loud sound. This is not a failure in the printer but an inherent paper
phenomenon.
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When printing at a high print rate for longer length, even non-printing area may be colored due to
accumulation of heat in the thermal head.
Verify the performance with your actual device in advance.
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Paper feeding may be confused a few dot-lines when printing is started or when printing and paper
feeding are resumed from a pause state. When printing bit images and so on, always feed the
thermal paper for at least 24 steps at the start of printing, and print without interrupting.