Image forming apparatus for maintaining cleaning performance while preventing turn-over of a contact member

An image forming apparatus comprising:

• an image bearing member configured to bear a toner image;
• an intermediate transfer member which is a seamless belt, in movable contact with the image bearing member;
• a reinforcing member having a sheet-like shape;
• and
• a collection unit configured to collect residual toner on the intermediate transfer member,
• wherein the collection unit includes a contact member configured to be in contact with the intermediate transfer member to collect the residual toner on the intermediate transfer member and includes a support member configured to support the contact member,
• wherein the contact member is disposed so as to extend in a longitudinal direction that is orthogonal to a movement direction of the intermediate transfer member,
• wherein one end of the contact member is fixed to the support member in a transverse direction that is orthogonal to the longitudinal direction, and an other end of the contact member in the transverse direction is a free end, the other end being in contact with the intermediate transfer member,
• wherein the reinforcing member is provided adjacent to one end of the contact member in the longitudinal direction, and
• wherein, when a maximum region in the longitudinal direction where an image is formable on a transfer medium having a maximum size that is supported by the image forming apparatus is defined as an image forming region, at least part of the reinforcing member is located outside the image forming region in the longitudinal direction and, on the one end side of the contact member in the longitudinal direction, the reinforcing member is provided on an inner side in the longitudinal direction than the one end of the contact member in the longitudinal direction.