Epson TM-P20, Техническое справочное руководство

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Settings/Check Mode
As well as print mode, the following modes are also provided for making various printer settings and checking
items.

Self-test mode

NV graphics information print mode

Software settings mode

Radio field intensity check mode (Wi-Fi model only)

Wireless module setup mode

Hexadecimal dumping mode

Dynamic status sheet print mode (Wi-Fi model only)
The self-test mode or hexadecimal dumping mode is selected depending on the operation performed when the
power is turned on.
NV graphic information print mode, Software settings mode, Radio field intensity check mode, and the Wire-
less module setup mode are selected depending on the FEED button operation performed during a self-test.
Close the roll paper cover, and turn on the printer while pressing the FEED button.
Self-test
Briefly press the FEED button. Hold down the FEED button.
Press the FEED button
once briefly and then
hold it down.
Open the roll paper cover, and turn on the printer while pressing the FEED
button, and then close the roll paper cover.
Continuing the self-test
Mode selection guidance
NV graphics
information print
Hexadecimal dumping
Press the FEED button
twice briefly and then
hold it down.
Software settings
Press the FEED button
three times briefly and
then hold it down.
Radio field intensity
check
Press the FEED button
four times briefly and
then hold it down.
Wireless module setup