Patent ID: 6912370

Claim:
An image formation device for forming an image on an image supporting member by an image formation unit, comprising: first and second transfer units which transfer an image formed on the same image supporting member to a recording medium having front and back sides; an inverting unit which inverts the front and back sides of said recording medium by an inverting path while conveying said recording medium from the first transfer unit to the second transfer unit, the inverting unit including a branched nail and conveyance rollers, wherein the image formation unit forms first and second surface images, the first transfer unit transfers the first surface image onto a first surface of said recording medium, and the second transfer unit transfers the second surface image onto a second surface of said recording medium inverted by the inverting unit; and a maintenance unit which maintains the first surface image transferred onto the first surface of said recording medium by the first transfer unit and prevents disturbance at the time of inverting the recording medium.