Abstract: A printing apparatus includes a feeding unit that feeds a printing sheet having a first surface and a second surface, a conveyance unit that conveys the printing sheet fed by the feeding unit, and a printing unit that prints on at least one of the first surface and the second surface of the printing sheet conveyed by the conveyance unit. A reverse path reverses the printing sheet of which the first surface is printed by the printing unit, and a control unit controls conveyance of a preceding sheet and a succeeding sheet, making a leading edge of the succeeding sheet overlap the preceding sheet reversed by the reverse path, and controls the conveyance of the preceding sheet and the succeeding sheet such that the succeeding sheet is conveyed to the printing unit in a state in which the succeeding sheet overlaps the preceding sheet.

Abstract: A developing device for use with an image forming apparatus includes a developer carrying member carrying a developer for developing a latent image, a supplying member for supplying the developer to the developer carrying member and forming a nip in contact with the developer carrying member, and an accommodating portion, provided below the supplying member in a state the developing device is mounted on the image forming apparatus for use, for accommodating the developer to be supplied from the supplying member to the developer carrying member. In addition, a feeding member, provided in the accommodating portion, feeds the developer accommodated in the accommodating portion to the supplying member, and a rotatable member, provided above the feeding member and located at a downstream side of the nip with respect to a rotational direction of the supplying member, moves the developer toward the nip.

Abstract: A printing apparatus includes a feeding unit configured to feed a printing sheet, a conveyance unit configured to convey the printing sheet fed by the feeding unit, a printing unit configured to print the printing sheet conveyed by the conveyance unit, and a control unit configured to control conveyance of a preceding sheet and a succeeding sheet fed after the preceding sheet. The control unit makes a leading edge of the succeeding sheet overlap the preceding sheet and the control unit decides an overlapping amount of the preceding sheet and the succeeding sheet such that the overlapping amount, in a case when an ink amount discharged on at least one of the preceding sheet and the succeeding sheet is greater than a threshold, is less than the overlapping amount in a case when the ink amount is less than the threshold.

Abstract: A unit includes: a conveying member that conveys developer; a frame that stores the developer and includes a first chamber storing the conveying member, a second chamber, a first opening connecting the first chamber and the second chamber, and through which the developer is passed, and a second opening connecting the interior of the second chamber and the exterior of the frame in an orthogonal direction that is orthogonal to a direction of a rotation axis line of the conveying member; and a filter that allows air to pass the second opening and restricts the developer from passing the second opening, and is fixed to the frame, wherein the frame is displaceable with respect to an apparatus main body in a state where the unit is attached to the apparatus main body, and the filter is displaced with respect to the apparatus main body by the displacement of the frame.

Abstract: A sheet feeding apparatus includes a feeding unit, a separation surface, a first separation part configured to switch between a condition in which the first separation part is protruded from the separate surface and the sheet comes into contact with the first separation part and a condition in which the first separation part is retracted from the separate surface and the sheet does not come into contact with the first separation part and to be fixed to each of the two conditions and a second separation part configured to be movable in a direction from a condition in which the second separation part is protruded from the separate surface and the sheet is capable of come into contact with the second separation part to a condition in which the second separation part is retracted from the separate surface, according to a contact force received from the sheet.

Abstract: A printing apparatus comprises a feeding unit which feeds a printing sheet stacked on a stacking unit, a conveyance unit which conveys the fed printing sheet, a printing unit which prints the conveyed printing sheet, and a control unit which controls conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, wherein based on an ink amount to be applied to an area of a predetermined range from at least one of the leading edge of the succeeding sheet and the trailing edge of the preceding sheet, the control unit decides an overlapping amount of an area where the trailing edge of the preceding sheet and the leading edge of the succeeding sheet overlap each other.

Abstract: A positional relationship between a photosensitive drum and an intermediate transfer belt during a period from the start of the driving of the photosensitive drum to the start of image formation, or during a period of the end of the image formation to the stop of the driving of the photosensitive drum enters a separating state in a case where the image formation is executed when the process speed is a first speed, and enters a contacting state in a case where the image formation is executed when the process speed is a second speed.

Abstract: An image forming apparatus includes an image bearing member, a charging member, a developing member, a transfer unit, a pre-charging exposure unit, a voltage receiving member, a measuring portion, and a controller for determining a light quantity of the pre-charging exposure unit during image formation. The controller includes, a light quantity controller for controlling the light quantity so that the image bearing member charged by applying a first potential to the charging member is exposed to light at a first light quantity by the pre-charging exposure unit, and an acquiring portion for acquiring an output of the measuring portion when the image bearing member exposed to light at the first light quantity is charged by applying a second potential of an opposite polarity to a polarity of the first potential to the voltage receiving member.

Abstract: Provided is an image forming apparatus in which an electrostatic latent image is developed using developer to which externally added particles have been added. In the image forming apparatus, a cleaning operation in which the developer borne by an intermediate transfer member is transferred to an image bearing member and removed from the surface of the image bearing member with a cleaning member can be executed in a non-image-formation period in which the development of the electrostatic latent image is not performed. The image bearing member is in contact with a developer bearing member and the intermediate transfer member at least within a period in which the cleaning operation is executed within the non-image-formation period.

Abstract: The pneumatic tire has a carcass ply and a tread part. The carcass ply includes a main body ply reaching from a tread part to a bead core, and a folded ply folded around the bead core. An end part of the folded ply extends to a height position beyond a tire maximum width position. A bead filler height is within the range of 20-60% of the tire sectional height. A bead filler width at a height position corresponding to 30% of the tire sectional height is no greater than 40% of the bead filler root width. A tread width is at least 81% of a tire maximum width, and a curvature radius of the carcass ply at an extension line extending in a tread width direction and passing the tire maximum width position in a cross section in the direction of tire width is at least 30 mm.

Abstract: A developing device for use with an image forming apparatus includes a developer carrying member, rotatable while carrying a developer, for developing a latent image with the developer, a supplying member, forming a nip in contact with the developer carrying member, for supplying the developer to the developer carrying member by being rotated, an accommodating portion, provided below the supplying member, for accommodating the developer, a feeding member, provided in the accommodating portion, for feeding the developer accommodated in the accommodating portion to the supplying member, and a rotatable member, provided downstream of the nip with respect to a rotational direction of the supplying member, for moving the developer toward the nip.

Abstract: A developing device including a containing unit configured to be arranged below a supply member and contain a developer and a developer bearing member configured to bear the developer and develop an electrostatic latent image, further includes a supply member which is configured to supply the developer to the developer bearing member, to be arranged to form a nip portion between the supply member and the developer bearing member, and to rotate in a direction in which its surface moves from an upper end to a lower end of the nip portion, and a conveyance member which is configured to convey the developer contained in the containing unit onto the supply member.

Abstract: A developing device including a containing unit configured to be arranged below a supply member and contain a developer and a developer bearing member configured to bear the developer and develop an electrostatic latent image, further includes a supply member which is configured to supply the developer to the developer bearing member, to be arranged to form a nip portion between the supply member and the developer bearing member, and to rotate in a direction in which its surface moves from an upper end to a lower end of the nip portion, and a conveyance member which is configured to convey the developer contained in the containing unit onto the supply member.

Abstract: Provided is an image forming apparatus in which an electrostatic latent image is developed using developer to which externally added particles have been added. In the image forming apparatus, a cleaning operation in which the developer born by an intermediate transfer member is transferred to an image bearing member and removed from the surface of the image bearing member with a cleaning member can be executed in a non-image-formation period in which the development of the electrostatic latent image is not performed. The image bearing member is in contact with a developer bearing member and the intermediate transfer member at least within a period in which the cleaning operation is executed within the non-image-formation period.

Abstract: A positional relationship between a photosensitive drum and an intermediate transfer belt during a period from the start of the driving of the photosensitive drum to the start of image formation, or during a period of the end of the image formation to the stop of the driving of the photosensitive drum enters a separating state in a case where the image formation is executed when the process speed is a first speed, and enters a contacting state in a case where the image formation is executed when the process speed is a second speed.

Abstract: An image forming apparatus includes an image bearing member, a charging member, a developing member, a transfer unit, a pre-charging exposure unit, a voltage receiving member, a measuring portion, and a controller for determinating a light quantity of the pre-charging exposure unit during image formation. The controller includes, a light quantity controller for controlling the light quantity so that the image bearing member charged by applying a first potential to the charging member is exposed to light at a first light quantity by the pre-charging exposure unit, and an acquiring portion for acquiring an output of the measuring portion when the image bearing member exposed to light at the first light quantity is charged by applying a second potential of an opposite polarity to a polarity of the first potential to the voltage receiving member.

Abstract: A printing apparatus includes a feeding unit configured to feed a printing sheet stacked on a stacking unit, a conveying unit configured to convey the printing sheet fed by the feeding unit, a printing unit configured to print the printing sheet conveyed by the conveying unit, and a control unit configured to control the feeding unit and the conveying unit. When continuously printing on the first surfaces of a plurality of printing sheets, the feeding unit forms an overlap state in which a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, and the conveying unit conveys the printing sheets while keeping the overlap state. When performing double-sided printing on the first surface and the second surface of the printing sheet, the feeding unit does not form the overlap state.

Abstract: A printing apparatus comprises a feeding unit which feeds a printing sheet stacked on a stacking unit, a conveyance unit which conveys the fed printing sheet, a printing unit which prints the conveyed printing sheet, and a control unit which controls conveyance of printing sheets so that a trailing edge of a preceding sheet and a leading edge of a succeeding sheet overlap each other, wherein based on an ink amount to be applied to an area of a predetermined range from at least one of the leading edge of the succeeding sheet and the trailing edge of the preceding sheet, the control unit decides an overlapping amount of an area where the trailing edge of the preceding sheet and the leading edge of the succeeding sheet overlap each other.

Abstract: A developer bearing member, which bears developer to which additive particles have been added, and an image bearing member, on which an electrostatic latent image formed on the surface thereof is developed by rubbing contact with the developer bearing member, are configured so as to be separable; and during a first operation in which the image bearing member, while in a separated state from the developer bearing member, makes rubbing contact with a cleaning member, a second operation is carried out to place the developer bearing member temporarily in contact with the image bearing member and supply the additive particles to the contact portion between the cleaning member and the image bearing member.