Epson TM-P20, Техническое справочное руководство

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Acoustic noise
Drop impact resistance

The value measurement is equivalent to JIS C60068-2-31:2013 (IEC 60068-2-31:2008) standard.
Dust/splash proof function

The value measurements are equivalent to JISC0920 (IEC60529:2001) standard. Therefore, safety standard appli-
cation, and failure and breakage of the printer are not guaranteed.
For print quality When using only battery for power supply Temperature: 5 to 45°C {41 to 113°F}
Humidity: 10 to 90% RH
When using battery and single charger Temperature: 5 to 40°C {41 to 104°F}
Humidity: 10 to 90% RH
For storage Temperature: -25 to 70°C {-13 to 158°F}
Storage time: 120 hours
During operation Approximately 52.9 dB (ANSI bystander position)
Note:
Acoustic noise differs depending on the paper used, printing contents, and
the setting values, such as print speed or print density.
Height 200 cm (6.6 feet)
Vertical placement IP4X equivalent
Note:
Roll paper side is excluded.
When roll paper recess is installed on the bottom side.
The Connector cover is closed.
Horizontal placement IP4X equivalent
Note:
Roll paper side is excluded.
When the belt clip is installed on the bottom side.
The Connector cover is closed.