The invention relates to a device for cleaning endoscopes comprising several endoscope channels, comprising positioning means for placing the endoscope for cleaning, a reservoir for cleaning liquid, supply means for supplying cleaning liquid from the reservoir to the endoscope channels of an endoscope for cleaning placed in the positioning means, discharge means for discharging to the reservoir the cleaning liquid leaving the endoscope for cleaning, wherein for each of the endoscope channels to be cleaned the supply means comprise a channel which leads from the reservoir to a connecting piece adapted for connection to the endoscope channels, and a pump is placed in each of the channels, wherein at least two of the pumps are each coupled in each case to a regulable motor, and the device comprises a control element which is adapted to control the motor of at least two of the pumps.
