Model H KATANA Ink nozzle，The Sever software can't read the nozzle serial number, temperature, voltage

Problem description：

Sever software can't read head data

Problem Analysis

The main reason is that the device hardware version is old and needs to be upgraded.

Problem Solving

Attachment 1 is the upgrade program, and Attachment 2 is the upgrade software.

Open the upgrade software, enter the upgrade program, and the following interface will appear

Model H has four head panels in total. Just click upgrade on each panel to complete the upgrade.

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