How to Get High-quality Printing Results for D520-BT

How to Get High-quality Printing Results for D520-BT


1.Use the original power adapter

Check whether the machine's power adapter is original. Please ensure that the power adapter used is original(output 24V-2.5A)

2.Clean the Printer Head

Open the cover and clean the Printer Head with alcohol pads (Any 70% alcohol pads will work.)


3.Select the appropriate print speed and density

Try adjusting the print speed (3) and darkness (12-15) to see if the print results get better.

For Mac:

①Select Printer Functions in Preview.
②Set print darkness in Darkness.
③Set the speed in Print Speed.

For Windows:

① Open Devices and Printers -> Click Label Printer -> Select Printer Preferences.
② Set speed in Print Speed.
③ Set the print darkness in Density.

For mobile phone:

① Open Labelife APP -> Click Print.
② Set the speed in Print Speed.
③ Set the print darkness in Print Quality.


4.Changing the printing paper

Print with other white labels and see if the results get clearer.

If you’re still experiencing difficulties, please provide us with the following information to Email: bestservice2012@outlook.com

1. Try printing a self-check page manually and send us the picture

For D520-BT:
Please double-click the paper feed button to print a self-check page

2. Pictures:
2.1 Show us the printer's printing speed and printing density,
2.2 Show us the power adapter information