Leds And Button; Handling; Powering The Unit On Or Off - Epson TM-L90 series Service Manual

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LEDs and Button

Table 7-2 LEDs and button
Name
POWER LED
ERROR LED
PAPER OUT LED
FEED Button

Handling

Powering the unit ON or OFF

There are two methods to power this printer ON or OFF:
Using the power switch
With the power switch disabled
Each method is used for the following purposes:
Table 7-3 Purpose of each method of power ON/OFF
Method
Power ON/OFF using
the power switch
Power ON/OFF with the
power switch disabled
7-4 Handling
Function
Lights when the power is on, and is off when the power is off.
Off when the printer is online, lights when the printer is offline, and
flashes when an error occurs.
Lights when roll paper is nearly out.
Feeds the roll paper.
Description
To power the printer ON or OFF using the power switch
To power the printer ON or OFF using the power breaker where the printer is installed or
using the switch on the power box or wall outlet where the printer is connected.
In this case, the program must execute the power off process using the DLE DC4 (fn=2)
command before turning the printer power off.
Rev.B