Epson TM-T20III - Setting;Checking Modes

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Chapter 3 Advanced Usage
Setting/Checking Modes
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
• Receipt Enhancement information print mode
• Software setting mode
• Restore default values mode
• Interface setup mode (Ethernet model only)
• Peripheral device information print mode
• Hexadecimal dumping mode
To enter the Self-test mode or the Hexadecimal dumping mode, turn the printer on with the special operations
as described below.
To enter one of the other modes, first enter the Self-test mode, and then select one mode by operating the Feed
button as described below.
Close the roll paper cover, and turn on the printer while pressing the Feed button.
Self-test
Briefly press the Feed button.
Continuing the self-test
Hold down the Feed button
Mode selection guidance
Press the Feed
button once
briefly and then
hold it down
NV Graphics
Information
Hexadecimal Dumping
Press the Feed
button two times
briefly and then
hold it down
Receipt
Enhancement
Information
Press the Feed
button three times
briefly and then
hold it down
Software Setting
Press the Feed
button four times
briefly and then
hold it down
Restore Default
Values
Press the Feed
button five times
briefly and then
hold it down
Interface Setup
Mode
Press the Feed
button six times
briefly and then
hold it down
Peripheral Device
Information Print
Mode
(1)
(2)
Open the roll paper cover, turn on the printer while pressing the Feed button,
and then close the roll paper cover.