User`s manual

EC-520 User’s Manual
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Chapter 3 Control Panel
3.1 Control Panel
There are three LEDs and one key on the control panel as shown in Figure 3-1.
3.1.1 Indicator LEDs
LED On Blinks Off
POWER
Power on
——
Power off
PAPER OUT
Paper out ;
Alarm voice is emitted.
Paper near end Paper in
ERROR
Error occurs
Print head is too hot and protected
Normal status
3.1.2 Function Keys
While pressing the FEED key and holding on, turn on the printer at the same time. Loosen the
FEED key according to voice presentation times, and the printer will perform the following function
correspondingly.
Voice presentation times Function Description
One beep Self-test
Two beeps print-pins test
Three beeps Enter the mode of column setting
Four beeps Enter the mode of hexadecimal printing
Five beeps Initialize the printer
Six beeps Long-time-printing test
Note: When there is paper in the printer, every time the FEED key is pressed ( less than 0.5
second), paper will feed one line. If you press and hold on the key, the paper will feed
continuously until you release it.
Figure 3-1 Control panel