Image reading apparatus using plurality of media having different length

An image reading apparatus configured to sequentially read images from a plurality of media having different lengths in a transport direction, the image reading apparatus comprising:

• a transport section that transports the media at a first speed along a transport route, the transport section being driven by a driver;
• a reader that reads the images from the media being transported at the first speed along the transport route;
• an ejection section that ejects the media from which the images were read by the reader to an ejection stacker, the ejection section being driven by the driver;
• a medium detector that detects presence of the media;
• and
• a controller that controls the driver, wherein
• when the transport section sequentially transports the media, the controller determines the lengths of the media in the transport direction, based on detection results of the medium detector,
• when determining that a length of a medium is equal to or more than a threshold and then determining that a length of a subsequent medium is equal to or more than the threshold, the controller performs weak deceleration control under which the transport section changes an ejection speed at which the subsequent medium is ejected to the ejection stacker from the first speed to a second speed, the second speed being lower than the first speed, and
• when determining that a length of a medium is equal to or more than the threshold and then determining that a length of a subsequent medium is less than the threshold, the controller performs strong deceleration control under which the transport section changes the ejection speed at which the subsequent medium is ejected to the ejection stacker from the first speed to a third speed, the third speed being lower than the second speed.