Patent ID: 7920306

Claim:
An image reading apparatus comprising: a first unit including a first housing and a transparent platen on which a first document can be placed; and a second unit including a second housing having a bottom portion that is an installation surface of the image reading apparatus, wherein the first unit includes: a first reading section configured to scan the first document; a scan driving section configured to shift the first reading section along the transparent platen; and a first control section configured to control the first reading section and the scan driving section; the second unit includes: a positioning section configured to determine a position of the first unit when attached thereto; a document carrying section configured to carry a second document; and a second control section configured to control the document carrying section, wherein the first unit is detachable from the second unit, and wherein the first reading section reads, through the transparent platen, a front surface of the second document being carried by the document carrying section in a condition where the first unit is attached to the second unit.