This toaster was manufactured in the 1990s in France. It has one lever and multiple heat settings.
Front and Back Panels
Inner Heating Panels
Side Panels
Tefal Thick N Thin Toaster 815032 Disassembly
These are some common tools used to work on this device. You might not need every tool for every procedure.
Mako Precision Bit Set
TR9 Torx Security Screwdriver
iFixit Opening Tool