How to solve the problem of flickering light in the Epson LX- 300+ II | en.Rellenado

How to solve the problem of flickering light in the Epson LX- 300+ II

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This problem usually happens during the printing of bills and outlets, when the lights blink for a paper jam and it appears that the light is very dim i.e. lacking electricity, once this happened to a printer and it was solved when they found out that the Board of this printer was completely filled with water and had sulfurized.
Epson POS printer
POS printer
This is the point of sale printer Epson LX- 300 + II, when finding the solution to this problem we realized that it was an electronic problem, and when we uncovered and unarmed everything that has to do with the electrical factors we found this surprise:

Sulfurated Motherboard
sulfurated C640 board
It was completely full of sulfur, when this happens to any printer what we have to do is go online and ask where we can get the part, in this case you have to ask Epson C640 Main, which means that C640 is the model of what we call the Board or motherboard which is the piece that has damaged this printer.

It was completely full of sulfur, when this happens to any printer what we have to do is go online and ask where we can get the part, in this case you have to ask Epson C640 Main, which means that C640 is the model of what we call the Board or motherboard which is the piece that has damaged this printer.

Solution:

What we have to do is find an air heater, a blower, or simply use the sun after washing this piece using a toothbrush with water and detergent, we have to remove all of the sulfur well that has attracted the water and rinse the water clean, then we have to heat it or just put it in the sun in the warmest place until it no longer has any water.

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The piece will stay this way:
Dry Epson C640 board
Dried board
Then we will proceed to install the part and proceed to try to remember that this piece must be very dry to prevent circuits, it may be that the printer loses some of its operation qualities, but it still will be able to work.

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