Place a pedestal on the ground to support the original mainboard while you work on it; a cardboard box works well.

Review all the components that you need to move to the new mainboard:

DDR memory stick

Small Parallel ATA solid state hard drive

Power supply converter and connector

White ribbon cable for the "power button" header

It's important to connect the white flat cable exactly as shown in the second photo, otherwise the printer signal will not be able to boot up the mainboard. Also, ensure that you put the hard drive into the correct PATA slot.

If you can, make a backup of the drive (see Step 8 as to why). You will need another PC with a PATA adapter and imaging software for this task because there are several different partitions on it. The drive is powered via thin cable from Molex connector, so you will need to borrow it from the printer. The drive has 64 MB capacity.