Abstract: A regenerative torque upper limit is set to a larger value when a rear-wheel distribution ratio is small than when the rear-wheel distribution ratio is large. Accordingly, when a distribution of a drive power to front wheels is large, a regenerative torque of a second rotary machine can be increased such that wheels are less likely to slip at the time of performing of regeneration control when the distribution of the drive power to the front wheels is small in comparison with a case in which the regenerative torque upper limit is set to a constant value similarly to when the distribution of the drive power to the front wheels is small. In this way, it is possible to increase the regenerative torque of the second rotary machine according to the rear-wheel distribution ratio.

Abstract: A drawer is moveable between an inner position and an outer position through an opening when a cover is located at an opening position. A waste toner conveying tube is movable in a second direction between a first connection position and a first disconnection position when a drum cartridge is attached to a drawer and the drawer is at the inner position. When the cover moves from a closing position toward the opening position, the waste toner conveying tube moves from the first connection position toward the first disconnection position in conjunction with the movement of the cover. The drawer is movable from the inner position toward to the outer position when the drum cartridge is attached to the drawer, the drawer is at the inner position, and the waste toner conveying tube is at the first disconnection position.

Abstract: A drawer is moveable between an inner position and an outer position through an opening when a cover is located at an opening position. A waste toner conveying tube is movable in a second direction between a first connection position and a first disconnection position when a drum cartridge is attached to a drawer and the drawer is at the inner position. When the cover moves from a closing position toward the opening position, the waste toner conveying tube moves from the first connection position toward the first disconnection position in conjunction with the movement of the cover. The drawer is movable from the inner position toward to the outer position when the drum cartridge is attached to the drawer, the drawer is at the inner position, and the waste toner conveying tube is at the first disconnection position.

Abstract: A drawer is moveable between an inner position and an outer position through an opening when a cover is located at an opening position. A waste toner conveying tube is movable in a second direction between a first connection position and a first disconnection position when a drum cartridge is attached to a drawer and the drawer is at the inner position. When the cover moves from a closing position toward the opening position, the waste toner conveying tube moves from the first connection position toward the first disconnection position in conjunction with the movement of the cover. The drawer is movable from the inner position toward to the outer position when the drum cartridge is attached to the drawer, the drawer is at the inner position, and the waste toner conveying tube is at the first disconnection position.

Abstract: A drawer is moveable between an inner position and an outer position through an opening when a cover is located at an opening position. A waste toner conveying tube is movable in a second direction between a first connection position and a first disconnection position when a drum cartridge is attached to a drawer and the drawer is at the inner position. When the cover moves from a closing position toward the opening position, the waste toner conveying tube moves from the first connection position toward the first disconnection position in conjunction with the movement of the cover. The drawer is movable from the inner position toward to the outer position when the drum cartridge is attached to the drawer, the drawer is at the inner position, and the waste toner conveying tube is at the first disconnection position.

Abstract: A drawer is moveable between an inner position and an outer position through an opening when a cover is located at an opening position. A waste toner conveying tube is movable in a second direction between a first connection position and a first disconnection position when a drum cartridge is attached to a drawer and the drawer is at the inner position. When the cover moves from a closing position toward the opening position, the waste toner conveying tube moves from the first connection position toward the first disconnection position in conjunction with the movement of the cover. The drawer is movable from the inner position toward to the outer position when the drum cartridge is attached to the drawer, the drawer is at the inner position, and the waste toner conveying tube is at the first disconnection position.

Abstract: A drawer is moveable between an inner position and an outer position through an opening when a cover is located at an opening position. A waste toner conveying tube is movable in a second direction between a first connection position and a first disconnection position when a drum cartridge is attached to a drawer and the drawer is at the inner position. When the cover moves from a closing position toward the opening position, the waste toner conveying tube moves from the first connection position toward the first disconnection position in conjunction with the movement of the cover. The drawer is movable from the inner position toward to the outer position when the drum cartridge is attached to the drawer, the drawer is at the inner position, and the waste toner conveying tube is at the first disconnection position.

Abstract: A drawer is moveable between an inner position and an outer position through an opening when a cover is located at an opening position. A waste toner conveying tube is movable in a second direction between a first connection position and a first disconnection position when a drum cartridge is attached to a drawer and the drawer is at the inner position. When the cover moves from a closing position toward the opening position, the waste toner conveying tube moves from the first connection position toward the first disconnection position in conjunction with the movement of the cover. The drawer is movable from the inner position toward to the outer position when the drum cartridge is attached to the drawer, the drawer is at the inner position, and the waste toner conveying tube is at the first disconnection position.

Abstract: An image forming apparatus includes a drawer having an exposure head. The drawer can include first and second guides to receive a drum cartridge and a developer cartridge, respectively. The first guide extends from a first side of the drawer into the drawer and toward the exposure head from a first side of the exposure head, and the second guide extends from the first side of the drawer into the drawer and toward the exposure head from a second side of the exposure head opposite the first side. In some instances, the drum cartridge is positioned at least partially below the developer cartridge but is removable from the drawer without removing the developer cartridge.

Abstract: A drawer unit moves in a moving direction between an internal position inside the main housing and an external position outside the main housing. The drawer unit includes a drawer frame, a first exposure head, and a second contact member. The first exposure head moves between a first adjacent position at which the first exposure head is adjacent to the first photosensitive drum and a first spaced position at which the first exposure head is farther spaced away from the first photosensitive drum than at the first adjacent position. The second contact member is a part of the drawer unit other than the first exposure head. The first exposure head moves from the first adjacent position to the first spaced position due to a contact between the first contact member and the second contact member when the drawer unit moves from the internal position to the external position.

Abstract: An image forming apparatus includes a tray; a casing having a first outlet, a second outlet above the first outlet, a first path, and a second path; a stack lever; a drive source; and a controller. The second path communicates with the second outlet such that a sheet conveyed along the second path is partially discharged from the second outlet and is reversed along the second path. The first outlet communicates with the first path such that the sheet conveyed along the first path is discharged from the first outlet onto the tray. The stack lever is movable between a first position where the stack lever presses a sheet on the tray and a second position higher than the first position. The controller is configured to control the drive source such that, when the sheet is discharged from the second outlet, the stack lever is at the second position.

Abstract: A drawer unit moves in a moving direction between an internal position inside the main housing and an external position outside the main housing. The drawer unit includes a drawer frame, a first exposure head, and a second contact member. The first exposure head moves between a first adjacent position at which the first exposure head is adjacent to the first photosensitive drum and a first spaced position at which the first exposure head is farther spaced away from the first photosensitive drum than at the first adjacent position. The second contact member is a part of the drawer unit other than the first exposure head. The first exposure head moves from the first adjacent position to the first spaced position due to a contact between the first contact member and the second contact member when the drawer unit moves from the internal position to the external position.

Abstract: An image forming apparatus includes a drawer having an exposure head. The drawer can include first and second guides to receive a drum cartridge and a developer cartridge, respectively. The first guide extends from a first side of the drawer into the drawer and toward the exposure head from a first side of the exposure head, and the second guide extends from the first side of the drawer into the drawer and toward the exposure head from a second side of the exposure head opposite the first side. In some instances, the drum cartridge is positioned at least partially below the developer cartridge but is removable from the drawer without removing the developer cartridge.

Abstract: An image forming apparatus includes a tray, a casing having a first outlet, a second outlet above the first outlet, a first path, and a second path, a stack lever, a drive source, and a controller. The second path communicates with the second outlet such that a sheet conveyed along the second path is partially discharged from the second outlet and is reversed along the second path. The first outlet communicates with the first path such that the sheet conveyed along the first path is discharged from the first outlet onto the tray. The stack lever is movable between a first position where the stack lever presses a sheet on the tray and a second position higher than the first position. The controller is configured to control the drive source such that, when the sheet is discharged from the second outlet, the stack lever is at the second position.

Abstract: An image forming apparatus, having a housing with an opening, an image forming unit, a path to guide a recording medium toward the opening, a reversible roller disposed in the path, and an intermediate reversible roller disposed between the image forming unit and the reversible roller, is provided. A rotating direction of the reversible roller is switchable between a first rotating direction and a second rotating direction opposite from the first rotating direction. A circumferential speed of the reversible roller is switchable between a predetermined circumferential speed and none. A rotating direction of the intermediate reversible roller is switchable between a third rotating direction and a fourth rotating direction opposite from the third rotating direction. The circumferential speed of the reversible roller in the first rotating direction is reduced to be lower than the predetermined circumferential speed while the intermediate reversible roller is rotating in the third rotating direction.

Abstract: An image forming apparatus is provided. The image forming apparatus includes an image carrier, a conveyance belt which conveys a recording sheet via a position opposing the image carrier, a belt cleaner which removes adhered matters on the conveyance belt, a driving unit which drives the image carrier and the conveyance belt, a bias applying unit which applies a cleaning bias to the belt cleaner, and a controller which controls the driving unit and the bias applying unit such that when the image carrier is driven at a first speed, the cleaning bias is applied to the belt cleaner, and when the image carrier is driven at a second speed slower than the first speed, the cleaning bias is not applied to the belt cleaner.

Abstract: An image forming apparatus, having a housing with an opening, an image forming unit, a path to guide a recording medium toward the opening, a reversible roller disposed in the path, and an intermediate reversible roller disposed between the image forming unit and the reversible roller, is provided. A rotating direction of the reversible roller is switchable between a first rotating direction and a second rotating direction opposite from the first rotating direction. A circumferential speed of the reversible roller is switchable between a predetermined circumferential speed and none. A rotating direction of the intermediate reversible roller is switchable between a third rotating direction and a fourth rotating direction opposite from the third rotating direction. The circumferential speed of the reversible roller in the first rotating direction is reduced to be lower than the predetermined circumferential speed while the intermediate reversible roller is rotating in the third rotating direction.

Abstract: In an image processing apparatus, a control device controls a releasing member to release a release object onto a sheet to perform an image processing; controls a first rotating body to rotate to convey the sheet on which the releasing member has released the release object; controls a second rotating body to rotate to convey the sheet whose leading edge has passed through the first rotating body; determines whether a cover is in an open position or a close position relative to a housing of the image processing apparatus based on a signal outputted by a cover sensor; and restricts, when the cover is determined to be in the open position based on the signal, a rotation of the second rotating body while the first rotating body rotates.

Abstract: An image forming apparatus includes a first transfer unit and a second transfer unit, and a control device. If a prescribed condition is satisfied, the control device sets a transfer current value for the second transfer unit so that an absolute value of a difference between the first current value and a second current value is greater than an absolute value of a difference between a third current value and a fourth current value. The first current value is set in a black-white mode, in which an image is formed by using black toner only, under the prescribed condition; the second current value is set if the prescribed condition is unsatisfied in the black-white mode; the third current value is set in a multi color mode, in which an multi-color image is formed, under the prescribed condition; and the fourth current value is set if the prescribe condition is unsatisfied in the multi color mode.

Abstract: An image forming apparatus includes a casing, a cover unit, and a liquid channel. The cover unit is disposed above an image forming unit. The cover unit includes a first member, a second member, and a neighboring portion positioned between the first member and the second member. The liquid channel is configured to guide liquid and includes a first channel and a second channel. The first channel is disposed between the neighboring portion and the image forming unit. The first channel includes a recess part and a liquid outlet. The recess part is disposed below the neighboring portion and extending toward the frame in an extending direction. The liquid outlet is positioned at an end portion of the recess part in the extending direction. The second channel is disposed at the frame. The second channel is configured to allow liquid to pass through the frame in the extending direction.