Epson TM-T20 Technical Reference Guide

18
Error Status
There are three possible error types: automatically recoverable errors, recoverable errors, and
unrecoverable errors.
Automatically Recoverable Errors
Printing is n o longer possible when automatically recoverable errors occur. They can be
recovered easily, as described below.
Recoverable Errors
Printing is n o longer possible when recoverable errors occur. They can be recovered easily by
turning the power on again or sending an error recovery command from the driver after
eliminating the cause of the error.
Error Error description Error LED flashing pattern Recovery measure
Roll paper
cover open
error
The roll paper cover
was opened during
printing.
Recovers automatically
when the roll paper
cover is closed.
Print head
temperature
error
A high temperature
outside the head
drive operating
range was
detected.
Recovers automatically
when the print head
cools.
Error Error description Error LED flashing pattern Recovery measure
Autocutter
error
Autocutter does
not work correctly.
Remove the jammed
paper or foreign matter
in the printer, close the
roll paper cover, send
the error recovery
command, or turn the
power on to recover.
The error recovery command is valid only if a recoverable error (excluding automatically
recoverable errors) occurs.
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
Approx. 2.56 s

Epson TM-T20 Specifications

General

Autocutter	Yes
Print Method	Line thermal
Paper Width	79.5 ±0.5 mm
Interface	USB, Ethernet
Dimensions	140‎ x 199 x 146 mm (Width x Depth x Height)
Power Supply	External power supply
Paper Thickness	0.06 - 0.085 mm