There is described a value document processing apparatus having 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 along a transport path 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 having 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 relative thereto, 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, through which openings dust is transportable from value documents transported along the transport path.