Geeetech

Hello, downloading the firmware is very simple, just log in to the geeetech official website:
https://www.geeetech.com/download.html?download_id=32

Hello, you can refer to the solutions in the forum to see if it works:
http://geeetech.com/forum/viewtopic.php?f=82&t=60931
http://www.geeetech.com/forum/viewtopic ... 917(thanks

Hello, the hotend structure of A20T is the Teflon tube directly into the hotend, not separate.

Hello, is the printing condition of the printer very bad, maybe it is not leveled before printing or the extruder is installed or adjusted to cause insufficient extrusion? Or the hotend is blocked. You can find the reason from the above points. If you have any problems and need official help, please...

Hello, it may be wifi expired or unregistered, you can contact your seller to register wifi for you.

Hello, the firmware of E180 is not marlin firmware and does not support every gcode.

Hello, you can contact your seller directly. I don't know where you bought the printer. If it is Amazon, you can directly request replacement parts or other requirements.

Hello, maybe the hot bed is not leveled correctly?
You can slow down or change the printing area to see if the consumables stick to the hot bed.

Hello, a negative number indicates that the thermistor wire is disconnected. Please check whether the thermistor connection is normal.
Basically, it shows that the connection line is in poor contact. Please check the connection between the contact line of the extruder and the adapter board.

Hello, you can contact your seller to request replacement parts.