Led And Button Functions; Led Indicator; Regular Button Functions; Power-On Utilities - zenpert 4T520P Series User Manual

4. LED and Button Functions

This printer has one button and one three-color LED indicator. By indicating the LED with
different color and pressing the button, the printer can feed labels, pause the printing job,
select and calibrate the media sensor, print printer self-test report, reset printer to defaults
(initialization). Please refer to the button operation below for different functions.

4.1 LED Indicator

LED Color
Green/Solid
Green/Flash
Amber
Red/Solid
Red/Flash

4.2 Regular Button Functions

1. Feed labels
When the printer is at ready status (Green/Solid), press the button to feed one label to the
beginning of next.
2. Pause the printing job
When the printer is at printing states, press the button to pause a print job. When the printer is
paused the LED will be green blinking. Press the button again to continue the printing job.

4.3 Power-on Utilities

There are six power-on utilities to set up and test printer hardware. These utilities are activated
by pressing FEED button then turning on the printer power simultaneously and release the
button at a different color of LED.
Please follow the steps below for different power-on utilities.
1. Turn off the printer power switch.
2. Hold on the button then turn on the power switch.
3. Release the button when LED indicates with different color for different functions.
This illuminates that the power is on and the device is ready to use.
This illuminates that the system is downloading data from PC to
memory or the printer is paused.
This illuminates that the system is clearing data from the printer.
This illuminates printer head open, cutter error.
This illuminates a printing error, such as head open, paper empty,
paper jam, ribbon empty, or memory error etc.
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