Videos of Pass Through slot in action!

[B_and_D_T]

See this post from Dan:

Pass through slot, GF workbench mounting

Although I must recommend against it for safety reasons, opening the lower door in front and overriding the safety interlocks by placing magnets against the sensors would not void your warranty. The slot in the back, however, doesn’t have a corresponding door. –dan

Might be possible to do what you mentioned with appropriate safety measures in place