A charge removing unit emits light onto a surface of an image bearing member for removing charge on the surface. The charge removing unit includes a light source configured to emit the light, and a light guide that is configured to guide the light to irradiate the surface of the image bearing member with the light and has a cylindrical shape extending in an axial direction of the image bearing member. At both ends in a longitudinal direction of the light guide, one end portion and another end portion are respectively provided. The light is introduced to the one end portion. The another end portion includes an inclined surface inclining in a direction from the one end portion to the another end portion, toward a central axis of a circumference of the light guide.

A conductive roller includes a support member, an elastic layer disposed on an outer peripheral surface of the support member, and an outer layer disposed on an outer peripheral surface of the elastic layer. The elastic layer includes a cylindrical elastic foam and has a Young□s modulus of 150 kPa or less.

A conductive roll includes a support member, an elastic layer disposed on an outer peripheral surface of the support member, a surface layer disposed on an outer peripheral surface of the elastic layer, and an intermediate layer disposed between the elastic layer and the surface layer, the intermediate layer having a Poisson ratio of 0.40 or less.

An intermediate transfer body includes a base layer and a surface layer disposed on the base layer. The difference between the volume resistivity of the intermediate transfer body at an application voltage of 100 V, a temperature of 22° C., and a relative humidity of 55% and the volume resistivity of the intermediate transfer body at an application voltage of 500 kV, a temperature of 22° C., and a relative humidity of 55% is 2.0 log Ω.Math.cm or less. The difference between the volume resistivity of the intermediate transfer body at an application voltage of 500 kV, a temperature of 28° C., and a relative humidity of 85% and the volume resistivity of the intermediate transfer body at an application voltage of 500 kV, a temperature of 10° C., and a relative humidity of 30% is 1.0 log Ω.Math.cm or less.

A movable-member supporter includes: a first support member that includes a first support plate, a first guide unit provided at the first support plate, and a first connection section, the first guide unit guiding movement of a movable member and having one end that extends to one side surface of the first support plate, the first connection section being provided at the one side surface of the first support plate; and a second support member that includes a second support plate, a second guide unit provided at the second support plate, and a second connection section, the second guide unit guiding movement of the movable member and having one end that extends to one side surface of the second support plate, the second connection section being provided at the one side surface of the second support plate and being connected with the first connection section of the first support member.

An intermediate transfer body includes a base layer and a surface layer disposed on the base layer, in which surface layer includes a sea-island structure that includes a sea phase and an island phase, in which the sea phase includes a resin, the island phase including an organopolysiloxane.

A conductive roller includes a support member, an elastic layer disposed on an outer peripheral surface of the support member, an intermediate layer disposed on an outer peripheral surface of the elastic layer, and a surface layer disposed on an outer peripheral surface of the intermediate layer. The elastic layer includes a cylindrical elastic foam and a conductive covering layer covering an exposed surface of the elastic foam. The Young's modulus Yd of the elastic layer and the Young's modulus Ym of the intermediate layer satisfy the relationship Yd<Ym.

An image forming apparatus includes a developer that forms a toner image on an endless belt that is suspended over outer portions of a plurality of rollers, a driver that rotates at least one driving roller out of the plurality of rollers, a position adjustment mechanism that corrects relative positions of the plurality of rollers relative to one another, and a hardware processor, wherein the hardware processor controls the position adjustment mechanism to correct a relative position between the belt and the driving roller with tension applied to the belt being a second tension smaller than a first tension that is applied in a developing state in which a toner image is formed on the belt by the developer.

A transfer device for an image forming apparatus includes a frame, a driving roller, a backup roller, and a transfer belt to travel between the driving roller and the backup roller. The transfer device further include meandering prevention members to rotate independently of the backup roller, the meandering prevention members including a first meandering prevention member located between a first end portion of the backup roller and the frame, and a second meandering prevention member located between a second end portion of the backup roller and the frame. When the transfer belt meanders and contacts one of the first and second meandering prevention members, the one of the first and second meandering prevention members is to be rotatably driven to increase a tension of the transfer belt.

A transfer device for an image forming apparatus includes a frame, a driving roller, a backup roller, and a transfer belt to travel between the driving roller and the backup roller. The transfer device further include meandering prevention members to rotate independently of the backup roller, the meandering prevention members including a first meandering prevention member located between a first end portion of the backup roller and the frame, and a second meandering prevention member located between a second end portion of the backup roller and the frame. When the transfer belt meanders and contacts one of the first and second meandering prevention members, the one of the first and second meandering prevention members is to be rotatably driven to increase a tension of the transfer belt.