A value document processing apparatus comprises an input for value documents to be processed, an output and/or a storage device for processed value documents, a transport device for singled transport of value documents from the input to the output or the storage device, a housing, a checking device arranged in the housing for checking value documents transported in singled form past it, and a suction conduit system for suction air which has a port for a suction unit for sucking air with dust out of the suction conduit system, and at least one hand cleaning portion connected to the port and having a suction opening movable in the area of the checking device, and/or at least two conduit portions connected to the port and having suction openings arranged at different portions of the transport path and directed onto the transport path.