Card reader and magnetic sensor unit

A card reader for use with a card comprising an IC chip comprising a contact terminal, the card reader comprising:

• a card reader main body comprising a card transport path through which the card is transported and a card insertion port configured to insert the card into the card transport path;
• and
• a magnetic sensor unit configured to detect the contact terminal of the IC chip of the card inserted into the card transport path, wherein
• the card reader main body comprises a mount unit in which the magnetic sensor unit is detachably mounted,
• the mount unit comprises a locked unit,
• the magnetic sensor unit comprises a magnetic sensor comprising a sensor surface facing a side of the card transport path and an opposite surface facing an opposite direction of the sensor surface, a sensor holder comprising a locking unit locked into the locked unit and a fixation unit to which the magnetic sensor is fixed, and an adhesive configured to fix the magnetic sensor to the fixation unit, and
• the adhesive covers the opposite surface.