Setting/Checking Modes; Self-Test Mode - Epson TM-T20 Technical Reference Manual

Setting/Checking Modes

Besides the ordinary print mode, the printer has the following modes to set or check settings of
the printer.

• Self-test Mode

• Hexadecimal Dumping Mode
• NV Graphics Information Print Mode
• Receipt Enhancement Information Print Mode
• Memory Switch Setting Mode
Self-test Mode
In the self-test mode, the printer prints the current printer status and a rolling pattern test print
of resident characters.
The current status print includes the following information:
• Control ROM version
• Interface type
• Receive buffer size
• BUSY condition
• Mounted multilingual fonts
• Print density
• Maintenance counter information (head running length, number of times of autocutting)
• Memory switch settings
Starting the self-test mode
Follow the steps below to run this mode.
1
Close the roll paper cover.
2
While pressing the Feed button, turn on the printer. (Keep pressing the
Feed button until the printer starts printing.)
The printer starts printing current status of the printer.
With the Ethernet interface, before printing starts, it takes 15 seconds if the IP address is
fixed and 20 seconds if the IP address is obtained with the automatic setting. (It may take
longer, depending on the response time from the host.)
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