Medium transport device, image reading device, and control method for medium transport device

Abstract

It includes a storage section 32 that stores a cleaning interval, a feed roller that feeds a medium, a counting section 33 that counts the number of sheets of the medium fed by the feed roller, a determination section 34 that determines whether or not a transport abnormality of the medium fed by the feed roller has occurred, a comparison section 35 that compares the counted number of sheets that were counted by the counting section 33 with the cleaning interval, a notification section 36 that notifies, to a user, of a cleaning instruction about the feed roller based on a comparison result from the comparison section 35, and an update section 37 that updates the cleaning interval, wherein the update section 37 updates the cleaning interval to a value smaller than the current value when the counted number of sheets exceeds the cleaning interval.

Dependencies are inferred from the claim text.