How to upgrade the Samsung SL-M2070F / 2074F / 2078F / 2070FW / 2074FW / 2078FW?
We need a programmer - such as this – the panel adapter for sop8 150mil for 24c eprom (link) and the panel adapter for sop8 200mil for flash memory 25q (link)
Here is the printer
The all process of upgrading the firmware is that we need to remove the plate, unsolder the flash memory and eprom, fill into them the firmware by using the programmer firmware and solder the chip back into the printer
1) Remove the side cover
Remove the plate
Here is the plate
We are interested in this chips in the 2070fw
Remove its carefully by using the soldering iron
We take the programmer and connect it to the computer
Use these dump:
For Samsung SL-M2070 - download the firmware for free
For Samsung SL-M2070W - download the firmware for free
For Samsung SL-M2070FW 20 версия - download the firmware for free
This is the process of upgrading
Insert the chips and the plate into the printer
As you can see it's not difficult. You can upgrade the chip through the PC, but there are can be a problems, it is better to stock up by new chips.