Hello! I became the proud owner of the U1 :slight_smile: I printed out the top closed box for it, but when I saw the announcement of the original product from Snapmaker, I noticed the use of a 6-pin connector on it, it seems, for ventilation and forced heating. Could you give me the number (part cod…

On the 6-pin connector search this forum for the U1 top cover mod. That thread has the info you’re looking for.

Here is the description: [image] Collection thread：U1 Top-Cover Mod U1 Featured Showcase Collection If anyone wants to tap power from the machine for a fan or LED, refer to the specs in this post. Terminal type: MX3.0-6P Max output: 24 V / 0.9 A Pin-o…

[image] Refresh: Is it possible to order and buy the inside of the lid separately somewhere? Is it possible to get a basic electrical diagram? Email support and ask. They’re pretty good about selling sub-assemblies.

Hi! Thanks for the help! I have a voltage of about 3.3-3.7V on the FLAG and FLAG2 lines, about 15 mV on the PWR line, and where the line should be +24V, I have 0… I tried to start printing, I thought maybe there is a voltage only during printer operation, but nothing has changed… Perhaps something…

[image] Refresh: I noticed the use of a 6-pin connector on it, it seems, for ventilation and forced heating No heating.

The right box is ventilated, with air outlet to the back wall.. And then what does the left box do? There’s some kind of wire going to it too.

6 pin connector on the upper back side

U1 Toolchanger

Viktor May 6, 2026, 7:14pm 3

Here is the description:

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6 pin connector on the upper back side

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