Abstract: An image forming apparatus executes reverse charging, toner-supply suspension, second exposure, and second charging, while a photosensitive member rotates at least a full turn. In the reverse charging, a charger charges a portion of a circumferential surface of the photosensitive member to a specified polarity. In the toner-supply suspension, before the portion, which has been charged to the second polarity in the reverse charging, of the circumferential surface of the photosensitive member passes a position at which the developer from the developing unit is configured to initially adhered to the circumferential surface, a developing unit stops supplying developer to the circumferential surface. In the second exposure, an exposure device exposes the portion, which has been charged to the specified polarity in the reverse charging, of the circumferential surface. In the second charging the charger charges the portion, which has been exposed in the second exposure, of the circumferential surface.

Abstract: An image forming apparatus executes charging, exposure, toner-supply suspension, and electric-field generation while a photosensitive member rotates at least a full turn. In the charging, a charger charges a portion of a circumferential surface of the photosensitive member. In the exposure, an exposure device exposes the portion, which has been charged in the charging, of the circumferential surface. In the toner-supply suspension, before the portion, which has been exposed in the exposure, of the circumferential surface passes a position at which developer from a developing unit is configured to initially adhere to the circumferential surface, a developing unit stops supplying developer to the photosensitive member. In the electric-field generation, an electric field is generated in a portion of the photosensitive layer of the photosensitive member corresponding to the portion, which has been exposed by the exposure device, of the circumferential surface.

Abstract: There is provided an image forming apparatus including a casing which includes one side wall extending in a vertical direction and has a first opening; and a discharge portion which receives a recording medium having a developer image formed thereon, and a cassette which accommodates recording media and is removably mounted to the casing. The casing further includes a tray which is disposed near the one side wall and receives a recording medium to be transported into the casing through the first opening. The tray is rotatable between a first position where the tray is bent so as to cover at least part of the one side wall and the discharge portion and a second position where the tray extends so as to be separated from the one side wall and receives a recording medium to be supplied into the casing through the first opening.

Abstract: An image forming apparatus configured to, in a case where a difference between a charging current flowing through a first charging roller and a charging current flowing through a second charging roller is larger than a first threshold value, perform first cleaning processing in which a cleaning ability of one cleaner of a first cleaner and a second cleaner, which corresponds to one of the first charging roller and the second charging roller, is lower than a cleaning ability of another cleaner of the first cleaner and the second cleaner, which corresponds to another of the first charging roller and the second charging roller, a charging current flowing through the one charging roller being larger than a charging current flowing through the other charging roller.

Abstract: An image forming apparatus configured to, in a case where a difference between a charging current flowing through a first charging roller and a charging current flowing through a second charging roller is larger a first threshold value, perform first cleaning processing in which a cleaning ability of one cleaner of a first cleaner and a second cleaner, which corresponds to one of the first charging roller and the second charging roller, is lower than a cleaning ability of another cleaner of the first cleaner and the second cleaner, which corresponds to another of the first charging roller and the second charging roller, a charging current flowing through the one charging roller being larger than a charging current flowing through the other charging roller.

Abstract: An image forming apparatus executes reverse charging, toner-supply suspension, second exposure, and second charging, while a photosensitive member rotates at least a full turn. In the reverse charging, a charger charges a portion of a circumferential surface of the photosensitive member to a specified polarity. In the toner-supply suspension, before the portion, which has been charged to the second polarity in the reverse charging, of the circumferential surface of the photosensitive member passes a position at which the developer from the developing unit is configured to initially adhered to the circumferential surface, a developing unit stops supplying developer to the circumferential surface. In the second exposure, an exposure device exposes the portion, which has been charged to the specified polarity in the reverse charging, of the circumferential surface. In the second charging the charger charges the portion, which has been exposed in the second exposure, of the circumferential surface.

Abstract: An image forming apparatus executes charging, exposure, toner-supply suspension, and electric-field generation while a photosensitive member rotates at least a full turn. In the charging, a charger charges a portion of a circumferential surface of the photosensitive member. In the exposure, an exposure device exposes the portion, which has been charged in the charging, of the circumferential surface. In the toner-supply suspension, before the portion, which has been exposed in the exposure, of the circumferential surface passes a position at which developer from a developing unit is configured to initially adhere to the circumferential surface, a developing unit stops supplying developer to the photosensitive member. In the electric-field generation, an electric field is generated in a portion of the photosensitive layer of the photosensitive member corresponding to the portion, which has been exposed in the second exposure, of the circumferential surface.

Abstract: An image forming apparatus includes a casing, a photosensitive body, a toner accommodation component, a developing roller and an exposure unit configured to emit a laser beam toward the photosensitive body along an irradiating path. The image forming apparatus further includes a sheet feed roller configured to feed a sheet toward the photosensitive body. In some arrangements, the sheet feed roller is disposed at a position closer to the exposure unit than to the photosensitive body, and the developing device is disposed at a first height range relative to the bottom of the casing, the first height range being lower than the irradiation path. Moreover, the toner accommodation component is disposed at a second height range relative to the bottom of the casing, the second height range being higher than the irradiation path.

Abstract: There is provided an image forming apparatus including a casing which includes one side wall extending in a vertical direction and has a first opening; and a discharge portion which receives a recording medium having a developer image formed thereon, and a cassette which accommodates recording media and is removably mounted to the casing. The casing further includes a tray which is disposed near the one side wall and receives a recording medium to be transported into the casing through the first opening. The tray is rotatable between a first position where the tray is bent so as to cover at least part of the one side wall and the discharge portion and a second position where the tray extends so as to be separated from the one side wall and receives a recording medium to be supplied into the casing through the first opening.

Abstract: An image forming apparatus includes an image forming unit, the image forming unit including a toner accommodation portion. The image forming apparatus further includes a detachable sheet feed cassette that is disposed at a lower part of the casing, a pickup roller, a sheet conveying path, and a sheet discharge path. The pickup roller and the toner accommodation portion are positioned at heights that at least partially overlap one another (e.g., when viewed in a horizontal direction). In some arrangements, the sheet conveying path passes between the toner accommodation portion and the sheet feed cassette. Moreover, the image forming apparatus may include a scanner unit, wherein the toner accommodation portion and the scanner unit are arranged at positions where at least a part of the toner accommodation portion overlaps the scanner unit when viewed in horizontal direction.

Abstract: There is provided an image forming apparatus including a casing which includes one side wall extending in a vertical direction and has a first opening; and a discharge portion which receives a recording medium having a developer image formed thereon, and a cassette which accommodates recording media and is removably mounted to the casing. The casing further includes a tray which is disposed near the one side wall and receives a recording medium to be transported into the casing through the first opening. The tray is rotatable between a first position where the tray is bent so as to cover at least part of the one side wall and the discharge portion and a second position where the tray extends so as to be separated from the one side wall and receives a recording medium to be supplied into the casing through the first opening.

Abstract: An image forming apparatus into the casing, and the exposure unit is disposed on the one side in the second direction of the includes a an image forming unit, the image forming unit including a toner accommodation portion. The image forming apparatus further includes a detachable sheet feed cassette that is disposed at a lower part of the casing, a pickup roller, a sheet conveying path, and a sheet discharge path. The pickup roller and the toner accommodation portion are positioned at heights that at least partially overlap one another (e.g., when viewed in a horizontal direction). In some arrangements, the sheet conveying path passes between the toner accommodation portion and the sheet feed cassette. Moreover, the image forming apparatus may include a scanner unit, wherein the toner accommodation portion and the scanner unit are arranged at positions where at least a part of the toner accommodation portion overlaps the scanner unit when viewed in horizontal direction.

Abstract: A developing device includes a housing, a developing roller, a supply roller, a first regulating member, a second regulating member, a communication portion, and a conveying member. The second regulating member contacts with the supply roller. The housing has a first part and a second part. The first part is downstream of the second regulating member in a rotating direction of the supply roller, and a second part is upstream of the second regulating member in the rotating direction. The communication portion provides communication between the first part and the second part. The conveying member is in the first part and configured to convey the developing agent in the first part to the communication portion.

Abstract: An image forming apparatus includes: a process unit having a photosensitive body extending in a first direction; a first roller disposed on one side in a second direction of the process unit, which is substantially perpendicular to a vertical direction and the first direction; an exposure unit; a fixing unit disposed on the other side in the second direction of the process unit; and a second roller disposed on an upper side of the fixing unit and on the other side in the second direction of the first roller and configured to transport the recording medium passed through the fixing unit to an outside of a casing. The casing includes a guide portion configured to guide the process unit into the casing, and the exposure unit is disposed on the one side in the second direction of the process unit and the guide portion.

Abstract: An image forming apparatus includes: a process unit having a photosensitive body extending in a first direction; a first roller disposed on one side in a second direction of the process unit, which is substantially perpendicular to a vertical direction and the first direction; an exposure unit; a fixing unit disposed on the other side in the second direction of the process unit; and a second roller disposed on an upper side of the fixing unit and on the other side in the second direction of the first roller and configured to transport the recording medium passed through the fixing unit to an outside of a casing. The casing includes a guide portion configured to guide the process unit into the casing, and the exposure unit is disposed on the one side in the second direction of the process unit and the guide portion.

Abstract: An image forming apparatus includes a casing having a cover which is moved between a closed position and an open position, a process unit which is removably mounted to the casing via an opening of the casing and includes a handle, and an interlocking mechanism which moves the process unit in interlocking with a movement of the cover between the closed position and the open position to cause the process unit to be located at an internal position when the cover is located at the closed position and cause the process unit to be located at an extraction position when the cover is located at the open position. The handle is moved in interlocking with a movement of the process unit between an accommodation position when the process unit is located at the internal position and an ejection position when the process unit is located at the extraction position.

Abstract: A developing device includes a housing, a developing roller, a supply roller, a first regulating member, a second regulating member, a communication portion, and a conveying member. The second regulating member contacts with the supply roller. The housing has a first part and a second part. The first part is downstream of the second regulating member in a rotating direction of the supply roller, and a second part is upstream of the second regulating member in the rotating direction. The communication portion provides communication between the first part and the second part. The conveying member is in the first part and configured to convey the developing agent in the first part to the communication portion.

Abstract: There is provided an image forming apparatus including a casing which includes one side wall extending in a vertical direction and has a first opening; and a discharge portion which receives a recording medium having a developer image formed thereon, and a cassette which accommodates recording media and is removably mounted to the casing. The casing further includes a tray which is disposed near the one side wall and receives a recording medium to be transported into the casing through the first opening. The tray is rotatable between a first position where the tray is bent so as to cover at least part of the one side wall and the discharge portion and a second position where the tray extends so as to be separated from the one side wall and receives a recording medium to be supplied into the casing through the first opening.

Abstract: There is provided an image forming apparatus including a casing having a cover which is moved between a closed position and an open position, a process unit which is removably mounted to the casing via an opening of the casing and includes a handle, and an interlocking mechanism which moves the process unit in interlocking with a movement of the cover between the closed position and the open position to cause the process unit to locate at an internal position when the cover is located at the closed position and cause the process unit to locate at an extraction position when the cover is located at the open position. The handle is moved in interlocking with a movement of the process unit between an accommodation position when the process unit is located at the internal position and an ejection position when the process unit is located at the extraction position.

Abstract: An image forming apparatus includes: a process unit having a photosensitive body extending in a first direction; a first roller disposed on one side in a second direction of the process unit, which is substantially perpendicular to a vertical direction and the first direction; an exposure unit; a fixing unit disposed on the other side in the second direction of the process unit; and a second roller disposed on an upper side of the fixing unit and on the other side in the second direction of the first roller and configured to transport the recording medium passed through the fixing unit to an outside of a casing. The casing includes a guide portion configured to guide the process unit into the casing, and the exposure unit is disposed on the one side in the second direction of the process unit and the guide portion.