Image reading apparatus

An image reading apparatus, comprising:

• a reading unit configured to read a medium;
• a first drive roller configured to be rotationally driven to transport the medium toward the reading unit;
• a first driven roller configured to sandwich, together with the first drive roller, the medium, and configured to rotate in a driven manner;
• a second drive roller configured to be rotationally driven to transport the medium downstream in a transport direction from the reading unit;
• a second driven roller configured to sandwich, together with the second drive roller, the medium, and configured to rotate in a driven manner;
• a driving unit configured to rotationally drive the first drive roller and the second drive roller;
• and
• a transmission unit configured to transmit a rotational force from one of the first driven roller and the second driven roller to another of the first driven roller and the second driven roller.