7-4 Handling Rev.B
Confidential
LEDs and 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 7-2 LEDs and button
Name Function
POWER LED Lights when the power is on, and is off when the power is off.
ERROR LED Off when the printer is online, lights when the printer is offline, and
flashes when an error occurs.
PAPER OUT LED Lights when roll paper is nearly out.
FEED Button Feeds the roll paper.
Table 7-3 Purpose of each method of power ON/OFF
Method Description
Power ON/OFF using
the power switch
To power the printer ON or OFF using the power switch
Power ON/OFF with the
power switch disabled
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.
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