Epson TM-T88V-DT Technical Reference Manual page 20

Controller LED
These display this product's computer status.
Name
(1) Storage Access LED 
(Green)
(2) Status LED (Orange)
(3) Status LED (Green)
Status
On
Flashing 
(Approx. 1 second intervals)
Flashing (Approx. 160 millisec-
ond intervals)
On
Flashing 
(Approx. 1 second intervals)
Off
Chapter 2 Printer Functions and Settings
Description
Accessing the storage
OS start sequence
(Accessing the storage device; Do not turn the power off.
Doing so may result in data loss.)
CPU high-temperature warning
(Failure has occurred. Please contact Epson.)
Windows in operation
Standby or hibernate status
Power off
2
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