Ensure the machine is powered off, fully cooled, and unplugged from the power source before continuing.
Tools needed:
Phillips screwdriver
At this point you can remove the side panels. On newer models there is a plastic retainer holding the back of the side panels in place and will need a little more force to remove.
At this point you can remove the back panel and have access to the internal components of the A53 / A53 Mini / Mini Vivaldi / Vivaldi.
If you need to remove the panels to investigate a leaking machine, you may also need to remove the lower front panel. Remove the drip tray from the machine and remove the two screws shown below:
Make sure to replace the drip tray before testing the machine with the panels removed.