Sheet processing machine

A sheet processing machine comprising:

• a transfer mechanism for moving sheets along a handling direction of the sheet processing machine;
• and
• a waste evacuation device for releasing the sheets,
• the transfer mechanism comprising at least one sheet handling element for moving a sheet,
• the waste evacuation device comprising a passage formed between an opening surface and a restraint surface, and
• the at least one sheet handling element comprising a first sliding element and a second sliding element being in contact with the opening surface and the restraint surface, respectively, when passing the waste evacuation device,
• wherein the transfer mechanism is adapted to travel in a loop with the at least one sheet handling element being moved along the handling direction for one half of the loop and being moved along a reverse direction for the other half of the loop, the passage being arranged at a turning point between the two halves of the loop.