Foreword

Important statement

Thank you for purchasing the “Network Print Server” product (hereinafter referred to as the print server) produced by Shenzhen Datong Youlian Technology Co., Ltd. Before installing and using the product for the first time, it is necessary to configure the network of the print server. For specific configuration methods, please refer to the “Operation Manual”.

Disclaimer

We are committed to continuously improving product functions and service quality, so this manual is based on the existing functions of the print server and will be updated with software upgrades. Its content is subject to change without prior notice, please go to our official website to download the latest version of the manual.
While compiling this manual, we have tried our best to ensure the accuracy and reliability of its contents, but we shall not be liable for any loss or damage caused by omissions, inaccuracies or typographical errors in this manual.

Copyright Notice

The copyright of this manual belongs to Shenzhen Datong Youlian Technology Co., Ltd., and reserves the right of final interpretation and modification of this manual and statement. Without the prior written permission of Shenzhen Datong Union Technology Co., Ltd., no one may reproduce, extract, modify, publish, publicize, translate into other languages or use it for commercial purposes in any form.

Technical Support

We provide online remote support services. If you encounter any problems during the use of the product, you can call our service hotline at any time: 0755-28070734 or consult through the enterprise QQ: 583321805. You can also log on to our official website: www.datongsmart.com to keep abreast of the latest product trends and downloads Required technical documentation. For details, please refer to the content of the customer service part in the function introduction of Chapter 2 of this manual

Purpose of writing

The purpose of this user manual is to explain the MQTT access data of the NP330/NP332 print server in detail. It is mainly for software developers. The print server accesses the user’s MQTT server through MQTT, and uses the message distribution method to receive the platform. The data is transferred to the printer.