10
6
Signal ground
——
2.3.8 Power Connection
The rated supply voltage is 24V ± 10% DC, rated current is 2.5A, use DC005-2.5
power socket, the polarity is positive inside and negative outside. Use the standard
power adapter supplied with the printer to supply power. The shape and pin definition
are shown in the following figure in Figure 2-6:
The pin assignment is as below:
Pin No.
Signal
1
+24VDC
2
Ground
Fig.2-6 Definition of power socket and
pin
2.4 Buttons,buzzer and Indicators
There is one button and one buzzer and three indicators on POS890 printer.
The Y33 all-in-one POS Terminal has a paper feed, a power on/standby button, a
built-in buzzer, and a red, yellow and green three-color status indicator.
【
FEED
】
button, you can use the print command to enable or disable the key switch
function. When the button control is enabled, press the paper feed button to feed the
paper, release the paper feed button, and stop feeding.
The buzzer is used to indicate the type of error status, which can be set or disabled to
enable or disable the error alarm. The error status type is the same as the ERROR
indicator.
Red/yellow/green three-color ERROR/ALARM/RUNNING indicator is the error
status/alert indicator/normal operation. When the printer is working normally, the
green light is on; the red indicator light flash is abnormal alarm status, and the red
indicator light is on with a long time means the paper compartment cover opens
during printing. The yellow light indicates is on with a long time that means is out of
