Status And Errors; Online And Offline; Automatically Recoverable Errors - Epson TM-T20III Technical Reference Manual

Status and Errors

The LEDs light or flash to indicate the printer status.

Online and Offline

Online
The printer is online and ready for normal printing unless there is a reason to go offline.
Offline
The printer automatically goes offline under the following conditions:
• While the printer power is turning on/off
• While a self-test is running
• While roll paper is fed using the Feed button
• When the printer stops printing due to a paper end
(When the paper end is detected by the roll paper end sensor)
• During an operation standby state
• When an error has occurred
• While the roll paper cover is open

Automatically Recoverable Errors

The printer cannot print when automatically recoverable errors occur. When the conditions for recovery
described below are met, the printer automatically recovers from the error.
Error
Roll paper cover
open error
Head temperature error
The printer cannot print while an error is left unsolved.
("Status and Errors" on page
Error description
The roll paper cover was opened
during printing
A high temperature outside the
thermal head drive operating
range was detected
Chapter 1 Product Overview
16)
Error LED status Condition for Recovery
ON The roll paper cover is closed
ON When the thermal head cools
16