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Hi guys,

The motherboard overheats and the printer automatically stops with Fatal Error 1A3F .You need to check if any dust blocks the air flow and clean on both sides with a hoover (Image 1). The other possible reason is that the fan cooling the motherboard no longer works (Image 2). It's very easy to replace.

271987
271988


The fan model is 04020VA-24N-AL-00 from NMB Technologies:


For quick solution of your problem: you can open the top and use a usb fan. The goal is to cool down the aluminium radiator in front of the fan. I personally used a small metal plate placed on top of the radiator. I hope this helps :)
 

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Hi guys,

The motherboard overheats and the printer automatically stops with Fatal Error 1A3F .You need to check if any dust blocks the air flow and clean on both sides with a hoover (Image 1). The other possible reason is that the fan cooling the motherboard no longer works (Image 2). It's very easy to replace.

View attachment 271987 View attachment 271988

The fan model is 04020VA-24N-AL-00 from NMB Technologies:


For quick solution of your problem: you can open the top and use a usb fan. The goal is to cool down the aluminium radiator in front of the fan. I personally used a small metal plate placed on top of the radiator. I hope this helps :)
Hi, thx a lot man for your help. It was the fan, i had it fixed last friday. It was replaced. Didnt know what it was until i paid €15 euros for the fan and more 100 for the deslocation and work . it was recommended to place a filter in the fan to preent this.
once again, thx a lot. xmas and a good working year of 2021.
 

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The motherboard overheats and the printer automatically stops with Fatal Error 1A3F .You need to check if any dust blocks the air flow and clean on both sides with a hoover (Image 1). The other possible reason is that the fan cooling the motherboard no longer works (Image 2). It's very easy to replace.

hi, what is the reason for the metal plate? I’m using a portable fan but the error code still shows up after every print.
Also it’s very strange you can’t find this error code anywhere on epson error codes.
 

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I am also getting this error after every minute of not printing,It starts after 1st print.If I don't print and just turn on the Printer the error doesn't appear.

I am using a portable fan until a new fan arrives and after even cooling it with a dual portable fan and Air condition on the error still comes and the radiator is under 24-degree Celcius.

A portable fan is not a solution in my opinion and I still can't get a solution for it

I think the motherboard needs to detect the fan in the fan port to make the error code go.
 
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