Medium conveyance device and image formation apparatus

A medium conveyance device, comprising:

• a pressed member;
• a first retention member retaining the pressed member and including a first bias-member retention portion;
• a press member provided facing the pressed member;
• a second retention member being provided movable relative to the first retention member and retaining the press member, the second retention member including a second bias-member retention portion;
• and
• a bias member provided between the first bias-member retention portion and the second bias-member retention portion and supported at one end thereof by the first bias-member retention portion and at another end thereof by the second bias-member retention portion, thereby pressing the press member against the pressed member, wherein
• the first retention member includes a pressed-member support portion supporting the pressed member,
• the second retention member includes a press-member support portion supporting the press member, and
• the pressed-member support portion is located between the press-member support portion and the first bias-member retention portion.