1. Log in to the billing software, click System Settings-Tax Control Equipment Settings-Tax Control Equipment Status Information, click Enter-Enter and then click Tax Control Panel Information; 2. Find the tax control equipment online upgrade, and click System Settings-Tax Control Equipment Settings-Tax Control Equipment Online Upgrade; 3. Find the online change of tax control equipment, click System Settings-Tax Control Equipment Settings-Online Change of Tax Control Equipment, and follow the prompts on the page.

The tax control screen (also called "tax control server") is a special tax control equipment developed according to State Taxation Administration of The People's Republic of China's "Technical Specification for Tax Control Screen". The tax control panel is divided into single tax number tax control server and multi-tax number tax control server. The enhanced version of tax control screen (also called "tax control server") is a special tax control equipment, which was developed in full accordance with the Technical Specification for Tax Control Screen of State Taxation Administration of The People's Republic of China, People's Republic of China (PRC). The product is divided into single tax number tax control server and multi-tax number tax control server.

It conforms to the national standard GB 18240, and adopts SSF44 special tax control algorithm, which can realize the functions of tax control code calculation, invoice electronic information management, safe storage of invoice details, real-time clock and so on. The billing speed of each tax number is not less than 50 sheets per second, and it can support 200 billing terminals at the same time. A single server stores the invoice details of1t. It is suitable for group enterprises or companies with large billing volume, scattered billing points and complicated tax-related affairs.