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.