An endoscope reprocessor 1 includes a control section 11 and a flow liquid pump 13. The control section 11 controls a plurality of electromagnetic valves to set a first drive state, in which the control section 11 puts a first cleaning tube 33 connected to a suction pipe sleeve 6a of an endoscope 2 into a sealed state, the control section 11 puts a second cleaning tube 31 connected to a forceps plug pipe sleeve 2ba of a forceps plug of the endoscope 2 into an unsealed state, the control section 11 controls an electromagnetic valve 45 configured to switch a state of a connector 35b plugging a suction cylinder 8 of the endoscope 2 to put the connector 35b into a sealed state, the control section 11 sets a state in which a fluid is supplied from the flow liquid pump 13 to the first cleaning tube 33, and the control section 11 halts supply of the fluid from the flow liquid pump 13 to the second cleaning tube 31.
