Indicator Lights - Epson TM-U200D series Operator's Manual

Note:
This button can be disabled by the ESC c 5 command, but depending
on the setting of GS z 0 command, it can work while replacing the
paper roll even if it has been disabled.

Indicator lights

The control panel lights provide information on printer conditions.
(Green)
POWER
The POWER light is on when the printer power is on.
PAPER OUT (Red)
This light is on when the paper roll is at the end or near the end.
This light blinks in the following cases. When it blinks, press the
PAPER FEED button.
In the self-test standby mode
In the on-line recovery standby state after semi-auto loading
Note:
The paper near-end detector is an option.
ERROR (Red)
This light is on when the printer is off line. It blinks to indicate an
error condition.
The blinking pattern shown below indicates that the temperature
of the print head is too high. The printer recovers automatically
and resumes printing when the head cools.
2-2 Using the Printer
Approximately 160 ms