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Samsung SCX 3400 3405 Recovery through the Soldering or the Firmware Version v3.00.02.00

You need the programmer or the firmware chips.

The programmer for updating process through the USB

 

After a failed firmware update (the forced or debug mode doesn't help you) the only way is to soldering the chip on the plate. Please note that the chip should be on your printer and the right dump. There is no different in soldering chipson on different models. We'll restore on the example of Samsung 3400. Reseat the two chips on the Samsung 3400 MFP , chip located on the motherboard (Figure 1).

Плата МФУ Epson 3400
Figure 1.

Unlink all riboon cables and unbolt four bolts. Remove the plate. We need the 24с64 chip for Samsung 3400/ 3405/ 3407 (If you have the Samsung 3400W/ 2305W/ 3407W you need the 24с256) on the one side, and the 25q32 on the other side (Figure 2, 3).

Микросхема 24с64 на плате Samsung 3400

Figure 2.

Микросхема 25q32 на плате Samsung 3400

Figure 3.

If you have the Samsung ML 2165W you need to change the 24с512 chip and the 25q64 (Figure 4).

 

Микросхемы платы Samsung 2165W

Figure 4. 

If you have the Samsung SCX 4728 MFP, you need to change the MX25l128 chip (Figure 5).

Микросхема MX25l128 на плате Samsung 4728

Figure  5.

 

If you have the Samsung SCX 3400FD/ 3405FD MFp, you need to change two chips the 25q64 (Figure 6) and the 24с512 (Figure 7). 

Две микросхемы 25q64 на плате Samsung SCX 3400FW/ 3405FW

Figure 6.

Микросхема 24с512 на плате Samsung SCX 3400FW/ 3405FW

Figure 7.

Desoldering еру chip with a soldering iron or the heat gun (Figure 8, 9)

Выпаивание микросхемы 24с64

Figure 8.

Выпаивание микросхемы 25q64

Figure 9.

You can buy the ready chip with or without the fix in our online store (specify what you need during the ordering process), solder it to the plate or upgrade the new chips. We use the universal programmer Triton in order to upgrade the chip. You can ask us for the dump. We upgraded the new chips by using the Triton and the panel. The chip has different sizes of frame, because of it we have used the adapter 180mil and adapter 200mil (Figure 10, 11).

You can upgrade the chip MX25l128 for the Samsung 4728 by using the adapter 300mil (Figure 12).

Прошивка микросхемы 25q32 тритоном

Figure 10.

Прошивка микросхемы 24q64 тритоном

Figure 11.

Прошивка микросхемы MX25l128

Figure 12.

Soldered the chips on their place. Install the plate into the printer and draw bolts up tight. Connect the ribbon cables (Figure 13).

Установка готовой платы на место

Figure 13.

Glued, take out the chip, set the paper, turn on. The printer should be ready.

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