Abstract: An image forming apparatus to which a cartridge including a cartridge substrate is attachable includes a main body electrical substrate, a main body ground terminal connected to the main body electrical substrate and configured to take a ground voltage, a first main body terminal connected to the main body electrical substrate and configured to transmit one of a power supply voltage, a data signal that indicates information, and a synchronization signal, a second main body terminal connected to the main body electrical substrate and configured to transmit remaining two of the power supply voltage, the data signal, and the synchronization signal. The cartridge substrate includes a cartridge ground terminal connected to the main body ground terminal, a first cartridge terminal connected to the first main body terminal, and a second cartridge terminal connected to the second main body terminal.

Abstract: An image forming apparatus including an image forming unit, a fixing unit, a reading unit, a reference member, and a controller is described. The image forming unit forms an image and a detection image on a sheet. The detection image is used for detecting geometric characteristics of an image to be formed on a sheet by the image forming unit. The fixing unit fixes the image and the detection image formed by the image forming unit on the sheet. The reading unit reads the detection image on the sheet. The controller adjusts geometric characteristics of the image to be formed on a sheet based on a reading result of the detection image by the reading unit, and controls the reading unit to read the reference member and executes shading correction based on a reading result of the reference member.

Abstract: A toner cartridge comprises a toner container which contains toner, a driving member which rotationally drives a conveying member, an agitating member which agitates a toner in the toner container while being rotated, a driven member which rotates in association with the driving member which is for rotationally driving the agitating member, and a rotational body which rotates according to rotation of the driven member, has a plurality of slits in rotational circumference for identifying a type of the toner cartridge, and has 1/K or more of the slits when a ratio of a rotational speed R1 (rad/s) of the driving member and a rotational speed R2 (rad/s) of the driven member is K=R2/R1.

Abstract: According to examples, an apparatus may include a media feed mechanism, printing components, an output tray, a sensor, a processor, and a memory on which is stored machine-readable instructions. The instructions may cause the processor to receive a signal from the sensor corresponding to a detection by the sensor of a movement that triggers output of the signal from the sensor. The instructions may also, based on receipt of the signal, cause the media feed mechanism to feed a sheet of media out of the apparatus into the output tray.

Abstract: An insulation inspection device includes: a conveyance unit that conveys a laminated electrode in which a first separator, a first electrode plate, a second separator, and a second electrode plate are laminated; a pressure roll that presses the laminated electrode against the conveyance unit; a first terminal electrically connected to the first electrode plate; a second terminal electrically connected to the second electrode plate, further electrically connected to the conveyance unit when the first separator is disposed on the conveyance unit side, and further electrically connected to the pressure roll when the first separator is disposed on the pressure roll side; and an insulation inspection unit that applies a voltage to the laminated electrode to inspect insulation condition of the laminated electrode.

Abstract: An image forming apparatus includes a plurality of heaters, a switch portion, and first and second supply lines. The heaters heat a toner image. The switch portion is connected to an alternating-current power source, and opens and closes in a manner interlocked with the opening and closing of a cover. The first supply line connects the respective one ends of the heaters to the switch portion. The second supply line connects the respective other ends of the heaters to the switch portion. The second supply line has a branch portion. The respective other ends of the heaters are each connected to one of branch lines which are electric wires that branch off from the branch portion. The switch portion is disposed between the branch portion and the alternating-current power source.

Abstract: An image forming apparatus includes a container that can store developer; an apparatus body by which the container is detachably supported; a detection portion, for determining an installed state of the container, provided for the apparatus body; and a control portion determining whether the container is unused based on a detection result by the detection portion. The container includes a displaceable member displaced between an initial position where the displaceable member is not detected by the detection portion and a detection position where the displaceable member is detected by the detection portion. When the container is in an initial installation state immediately after being installed in the apparatus body, the control portion determines the container is unused in a case where the displaceable member is not detected by the detection portion, and determines the container is used in a case where the displaceable member is detected by the detection portion.

Abstract: A control circuit executes voltage adjustment processing of adjusting a voltage output from a transfer power source so that a current detected by a detection circuit becomes a predetermined current value. The voltage adjustment processing is executed before a toner image is transferred from at least one of a first image bearing member and a second image bearing member to an intermediate transfer belt. A processor determines whether the second transfer member is in a state of contact or is in a state of separation on the basis of behavior of the current detected by the detection circuit in a period in which the control circuit is executing the voltage adjustment processing.

Abstract: A control device permits execution of a print process on condition that an object sensor detects an object at a detection position. A switch mechanism, in accordance with a release operation, releases an interlock between a first displacement member and a closing operation of a cover portion. In a state where a second displacement member is located at an actuation position, a detected portion is located at the detection position. When the second displacement member is located at a retreat position, a first contact portion is not in contact with the cover portion. When the cover portion is closed, the cover portion displaces the second displacement member from a standard position to an actuation position. When the first displacement member is displaced from a first relay position to a second relay position, the first displacement member displaces the second displacement member from the standard position to the retreat position.

Abstract: A shutter output portion is engaged with a shutter input portion of a developer container and supported to be displaced between an opening position and a closing position. The shutter output portion, when located at the opening position, opens a shutter of the developer container, and when located at the closing position, closes the shutter. A main interlocking mechanism causes the shutter output portion to move in conjunction with opening and closing operation of the cover portion such that the shutter output portion is displaced to the opening position when the cover portion is closed, and to the closing position when the cover portion is opened. The main interlocking mechanism includes a switch mechanism that releases an interlock between the shutter output portion and the closing operation of the cover portion in accordance with a release operation, and enables the interlock in accordance with an enabling operation.

Abstract: An image forming apparatus includes: a cover; a power supply that supplies a drive system supply voltage and a control system supply voltage in an operating mode, and that supplies the control system supply voltage without supplying the drive system supply voltage in a power saving mode; an interlock switch including a first terminal that receives the drive system supply voltage, a second terminal that receives the control system supply voltage, and a third terminal connected to a line for supplying the drive system supply voltage to an image forming portion, the interlock switch connecting the first and third terminals when the cover is closed, and connecting the second and third terminals when the cover is open; and a detector that, when the control system supply voltage is applied to the line in the power saving mode, stores information indicating that the cover has been opened.

Abstract: An image forming apparatus includes a casing, a first photosensitive drum, a second photosensitive drum, a first developing unit, a second developing unit, a first pressing mechanism configured to press the first developing unit, and a second pressing mechanism configured to press the second developing unit. In addition, the image forming apparatus includes a first stay to which the first pressing mechanism is attached, and which is supported by the casing, and a second stay to which the second pressing mechanism is attached, and which is supported by the casing.

Abstract: An image processing apparatus includes an operation unit, a detection unit, an identification unit, and a controller. The operation unit includes an operation system to receive a user touch operation, and a display system to display an image. The detection unit detects a contact of an information storage medium. The identification unit identifies a location in the image processing apparatus at which an abnormality has occurred. Where the location at which the abnormality has occurred is identified to be only the operation system and the detection unit detects the information storage medium contact, the controller performs control to continue processing on the image processing apparatus on the display system. Where at least the identification unit identifies that the abnormality has occurred in the display system, the controller performs control at least to print a document indicating a method for continuing the processing on the image processing apparatus.

Abstract: The image forming apparatus includes a user interface, a controller, and a main memory. The controller provides an error notification to the user interface in a case where drum cartridge information read from the main memory does not match drum-cartridge identification information stored in a drum-cartridge memory of a drum cartridge and replacement of the drum cartridge replacement is not necessary. The controller may also provide an error notification to the user interface in a case where a toner cartridge information read from the main memory does not match toner-cartridge identification information stored in a toner-cartridge memory of a toner cartridge and replacement of the toner cartridge is not necessary.

Abstract: A presser presses a rotator and switches between a pressurization state in which the presser presses the rotator and a depressurization state in which the presser releases the pressurization state. The presser includes a pressure portion that presses the rotator in the pressurization state. The presser further includes a retracted portion that retracts from the pressure portion in a retracting direction in which the retracted portion retracts from the rotator. The retracted portion presses the rotator in the depressurization state.

Abstract: An image forming apparatus includes a sensor configured to detect a remaining amount of a recording agent in a cartridge mounted in the image forming apparatus, an output device configured to output at least one of visual and audio information, and a controller. The controller is configured to, upon a first cartridge being dismounted, store, as a previous remaining amount, a remaining amount of a recording agent in the first cartridge detected by the sensor. The controller is also configured to, upon a remaining amount of a recording agent in a second cartridge that has been mounted in the image forming apparatus after the first cartridge is dismounted decreasing to or below a first threshold value as detected by the sensor, control the output device to output information that varies based on a value of the previous remaining amount.

Abstract: An image forming apparatus including a cleaning unit removably mountable to an apparatus main body under a state of being supported by a transfer unit, and movable with respect to the transfer unit in a longitudinal direction of a cleaning member under a state of not being mounted to the apparatus main body. The apparatus main body includes a frame unit portion configured to position a cartridge with respect to the apparatus main body in an axial direction of a photosensitive drum. The frame unit portion is configured to position the cleaning member with respect to the apparatus main body in the longitudinal direction under a state in which the transfer unit is mounted to the apparatus main body.

Abstract: An image forming apparatus including: an image forming unit; a replenishment mechanism; and a controller configured to control the replenishment mechanism, the controller controls, after a container that fails to satisfy a predetermined condition relating to a remaining amount of the developer is removed from an attaching portion, the image forming unit based on a mode of prohibiting an image from being formed based on a print job in a case where another container different from the removed container is attached to the attaching portion, and controls, after the container is removed from the attaching portion, a display to display a first screen for prompting reattachment of the container in the case where the another container is attached to the attaching portion, the first screen including a button that allows the mode to be canceled.

Abstract: An apparatus includes an opening/closing member that opens/closes space which is provided in an apparatus body and in which a first unit and a second unit are accommodated; a first guide portion that guides the first unit in the space; a second guide portion that guides the second unit in the space; and a slope member that is capable of guiding the first unit to the first guide portion provided at a position higher than a position of the second guide portion in a height direction orthogonal to an inserting/extracting direction of the space when the opening/closing member is put in an open position, the slope member being coupled between the apparatus body and the opening/closing member so as to be positioned in the space when the opening/closing member is put in a closed position to close the space.

Abstract: An image forming apparatus obtains first print data from an external apparatus, stores, in a storage, identification information representing that image formation based on the first print data is uncompleted, obtains second print data from the external apparatus in a status in which the identification information is not stored in the storage, and inhibits obtaining of the second print data from the external apparatus in a status in which the identification information is stored in the storage.

Abstract: A drive transmission unit provided in an image forming device includes a first drive transmission portion and a second drive transmission portion. The first drive transmission portion transmits a rotation drive force of a motor rotating in a first rotation direction to a toner container, to transport a toner housed in the toner container in a predetermined direction, and regulates transmission of a rotation drive force of the motor rotating in a second rotation direction to the toner container. The second drive transmission portion transmits the rotation drive force of the motor rotating in the second rotation direction to the container cover, to cause the container cover to switch from a closed state to an open state, and regulates transmission of the rotation drive force of the motor rotating in the first rotation direction to the container cover.

Abstract: An image forming apparatus has a power supply circuit including a power circuit, a main circuit, and a sub-circuit. The sub-circuit includes a timer that performs electrical conduction of a driving contact point of a heater by a first setting time and performs electrical conduction of a driving contact point of a discharge fan by a second setting time when a power switch is turned off. When it is determined that humidity in an image forming apparatus body detected by a humidity detection sensor is equal to or more than a threshold value, the first setting time is set to 0 and the second setting time is set to a predetermined time larger than 0. When it is determined that the humidity is less than the threshold value, the first setting time is set to a predetermined time larger than 0 and the second setting time is set to 0.

Abstract: An image forming apparatus includes an apparatus main body and a unit. The unit is detachably attached to the apparatus main body along one direction. The apparatus main body includes a main body side board and a main body side connector. The main body side connector is mounted on the main body side board. The unit includes a unit side board, a unit side connector, a supporting member and a biasing member. The unit side connector is mounted on the unit side board and fitted to the main body side connector from a first side in the one direction as the unit is attached to the apparatus main body. The supporting member supports the unit side board so as to be movable along the one direction. The biasing member biases the unit side board to a second side in the one direction.

Abstract: A powder container is removably mountable in one of a process cartridge and an image forming apparatus. The powder container includes a discharge port to discharge powder stored inside the powder container, a collection port to correct the powder from outside of the powder container, a first shutter to open and close the discharge port, a first opening and closing member to open and close the first shutter, a second shutter to open and close the collection port, a second opening and closing member to open and close the second shutter, and a shaft portion to link the first opening and closing member and the second opening and closing member.

Abstract: A toner container is for mounting to a mounting portion of an image forming apparatus along a mounting direction. The toner container includes a container body and an engaging protrusion. The container body houses a toner and rotates. The engaging protrusion projects from an outer peripheral surface of the container body. The engaging protrusion has a spiral pattern and rotates integrally with the container body. The mounting portion includes a lock portion is engageable with the engaging protrusion. Rotation of the container body and the engaging protrusion in one rotation direction in a state where removal of the toner container from the mounting portion is permitted causes the toner container to move to a back side (downstream) in the mounting direction while shifting an engaging part of the engaging protrusion relative to the lock portion to restrict the removal of the toner container from the mounting portion.

Abstract: An image forming apparatus includes an image forming unit, mounting unit to which a container is mounted, cover, detector, controller, and display unit. The image forming unit forms an image by using a developer, the cover is opened/closed to replace/cover the mounted container, the detector detects the mounted container in a cover closed/opened state, the controller determines whether a remaining amount of the developer in the container is more than a predetermined amount, and the display unit displays, in a case where the container in which the remaining amount is more than the predetermined amount is removed, a first screen promoting re-mounting of the container, a second screen on closing the cover without detecting the container after displaying the first screen, and a third screen after displaying the second screen in a case where the container is not mounted.

Abstract: A main casing includes a driving source, a first sheet passage sensor for detecting a sheet, and a detecting sensor. A drum cartridge is detachably mounted on the main casing. The drum cartridge includes: a photosensitive drum being rotatable about a first axis extending in a first direction; a first detection gear being rotatable by receiving driving force from the driving source; and a first detection protrusion being rotatable together with the first detection gear. The first detection protrusion is arranged to contact the first sheet passage sensor. A developing cartridge is detachably mounted on the drum cartridge. The developing cartridge includes: a developing roller; a second detection gear being rotatable by receiving driving force from the driving source; and a second detection protrusion being rotatable together with the second detection gear. The second detection protrusion is arranged to contact the detecting sensor.

Abstract: In one embodiment, a toner container comprises a toner container body in which toner is stored, a cover portion configured to cover the toner container body, and a projection. The projection is provided in the vicinity of a rear end portion in a longitudinal direction of the cover portion or a longitudinal direction of the toner container body, and projecting toward a rear side of the toner container.

Abstract: Provided is a powder container having a new structure capable of stable discharge and transport of a powder contained in a container by enabling the powder to be reliably discharged to the outside of the package while preventing the powder from spilling and flying out of the container.

Abstract: Provided is an image forming apparatus that reduces replacement frequency for waste toner container, and efficiently performs waste toner accommodation with a waste toner container. The image forming apparatus includes a toner detection sensor detecting a quantity of a toner in a toner container; a waste toner detection sensor detecting an accommodation quantity of a waste toner removed from a photosensitive medium and accommodated in a waste toner container; a waste toner container full-state forecasting part that, upon toner detection sensor detecting empty state of toner container, forecasts whether waste toner container is filled up with waste toner before toner container newly loaded is emptied, on detection result by waste toner detection sensor; and a system control part that, upon waste toner container full-state forecasting part forecasting waste toner container being filled up, notifies a replacement message urging replacement of waste toner container to a panel part.

Abstract: An image forming apparatus includes a communication portion arranged inside a cover covering an image forming portion in the main body of the apparatus and including an antenna surface for use in establishing near field communication. The cover includes a stacking portion in its upper section. The stacking portion is configured to receive a recording medium with an image thereon, the recording medium being discharged outside the main body of the apparatus. The antenna surface faces a region of the upper section of the cover downstream in a direction of discharging the recording medium. The antenna surface at least partially faces a region of the upper section of the cover outside the stacking portion in a direction perpendicular to the direction of discharging the recording medium. The communication portion is capable of communicating with another communication portion using near field communication.

Abstract: An image forming apparatus includes a belt unit capable of being inserted into and pulled out of the apparatus, the belt unit including a movable endless belt, a supporting frame supporting the endless belt and having an accommodating portion, a grip member which is provided on the supporting frame at a position outside the belt in a widthwise direction of the belt that is orthogonal to a moving direction of the belt and which is movable between a first position in which the grip member is projected out of the accommodating portion in a direction orthogonal to the widthwise direction and a second position in which the grip member is accommodated in the accommodating portion, and an urging member configured to urge the grip member in a direction from the second position toward the first position.

Abstract: A toner case includes a case main body, an attachment member, and a sealing member. The case main body is configured to contain a toner. The attachment member is configured to partition an inside space of the case main body so as to adjust toner capacity. The sealing member is arranged between the case main body and the attachment member. The case main body includes a first engagement part. The attachment member includes a second engagement part configured to engage with the first engagement part via the sealing member.

Abstract: An imaging device assembly that includes a first imaging module frame, a second imaging module frame, and at least one first attachment member including a base positioned within an interior of the first imaging module frame and at least one protrusion extending from the base through a first wall portion of the first imaging module frame to be exposed external to the first imaging module frame, wherein the at least one protrusion is releasably connected to a top portion of the second imaging module frame.

Abstract: A toner cartridge according to one example embodiment includes a housing having a toner reservoir. An outlet port faces downward on a front of the housing near a first side of the housing. A shutter is movable between a closed position blocking the outlet port and an open position unblocking the outlet port. A flag on the first side of the housing is movable between a first position and a second position. The flag extends outward sideways from the first side when the flag is in the second position. The flag is operatively connected to the shutter such that when the shutter moves from the closed position to the open position the flag moves from the first position to the second position to change a state of a sensor in the image forming device when the toner cartridge is installed in the image forming device.

Abstract: An imaging unit for an electrophotographic image forming device having positional control features for aligning the imaging unit in a supporting frame in the image forming device. The positional control features include on each end wall, first and second bullet noses and a stop arm positioned between the two bullet noses. The first and second bullet noses engage support or datum surfaces provided in corresponding openings in the frame. The stop arm receives a biasing force that rotates the imaging unit into its final operating position. A latching assembly is provided on one end wall to prevent the imaging unit from ejecting from the frame.

Abstract: The present disclosure relates a developer container for accommodating a developer. The developer container includes a conductive path. The conductive path includes a resin.

Abstract: The present invention is provided with an image-forming unit for forming an image on a recording medium, and a control unit for controlling the formation by the image-forming unit of a test image used for adjustment of the image-forming unit in a blank space portion in which an image is not formed on the recording medium, the control unit specifying the size of the blank space portion, and forming a test image corresponding to the size of the blank space portion in the blank space portion. The test image is thus formed adequately utilizing the blank space of the recording medium.

Abstract: A process cartridge detachably mountable to a main assembly of an image forming apparatus includes an image bearing member; a developer carrying member for developing an electrostatic image on the image bearing member; a first gear provided on the developer carrying member and a second gear driving-connected to the first gear; and a supporting portion for rotatably supporting the second gear. The supporting member is mounted on a frame of the process cartridge through a vibration damping member having a vibration transmission performance lower than that of at least the supporting portion.

Abstract: An image forming apparatus includes a developer recovery container having a rotatable member; an attachment structural section to which the container is detachably attached; and a rotation transmission mechanism disposed in the attachment structural section and connected to the rotatable member to transmit rotational driving force thereto when the container is attached. The mechanism includes a shaft extending in a direction of movement occurring when the container is attached and detached, a rotationally-driven stationary transmission member, a displacement transmission member attached to the shaft and rotationally shifting in an axial direction thereof in conjunction with the movement, and a moving member moving the displacement member toward the stationary member. The displacement member connects to and disconnects from the stationary member when the container is attached and detached, respectively.

Abstract: An image forming apparatus includes individually replaceable image forming assemblies forming images of different colors; a storage portion that stores time when at least one image forming assembly currently loaded into the apparatus is unloaded; a calculating portion that calculates an unloaded-engine storage period, time elapsed from when a newly loaded image forming assembly is unloaded last time to when the image forming assembly is newly loaded; and a controller that performs image quality adjustment depending on the unloaded-engine storage period calculated before the newly loaded image forming assembly is used for image formation. The apparatus receives image data of an image that contains a color other than colors that currently loaded image forming assemblies form. The apparatus forms a final image based on the image data on a sheet through image forming operations on the same sheet while at least one of the loaded image forming assemblies is replaced.

Abstract: In an image forming apparatus, a first cooling unit sends airflow to cool a first developing unit, and a second cooling unit sends airflow to cool a second developing unit. A control section controls the first and second cooling units in a first mode where image formation is executed using both a first and second image forming section, and in a second mode where image formation is executed such that the first developing unit is suspended but the first image bearing body is driven, using an image forming section. In the first mode the first cooling unit is controlled based on an output of a first temperature sensor regardless of a temperature detected by a second temperature sensor, and in the second mode the first cooling unit is controlled based on an output of the second temperature sensor regardless of a temperature detected by the first temperature sensor.

Abstract: An image forming apparatus including: image forming stations each including: a photosensitive drum; a charger configured to charge the drum; a transfer device configured to transfer a developer image on the drum onto an intermediate transfer member; and a cleaner configured to remove developer from the drum; an exposure device configured to expose the drum to form a latent image; the intermediate transfer member; a memory storing information on the drum; and a controller configured to control at least one of the charger, transfer device, and exposure device in the station based on the information in the memory to provide a predetermined potential difference between the drum and the transfer device to form an electric field therebetween in a reverse direction to that in an image formation in order to move the developer from the intermediate transfer member to the drum to collect the developer by the cleaner.

Abstract: A printing system according to one aspect of the present invention includes a plurality of post-processing apparatuses that perform post-processing on a printed sheet, at least one inspection apparatus connected between the plurality of post-processing apparatuses that inspects the printed sheet, and a control apparatus that performs control for receiving a job and executing processing according to the job; the printing system sets an inspection item to be inspected by the inspection apparatus based on configuration information indicating an anteroposterior relationship between the inspection apparatus and the post-processing apparatuses in the job relative to a flow of the printed sheet, and based on the post-processing apparatuses to be used in the job. The inspection apparatus performs the inspection in accordance with the set inspection item.

Abstract: An image forming apparatus includes a toner cartridge that has an inner shutter and an outer shutter and is attached to and detached from a main body through a door disposed on a main body. The outer shutter moves to a position in which toner is allowed to be discharged through a toner outlet of the toner cartridge when the toner cartridge is loaded into the main body, and the inner shutter moves to an open position in which the toner outlet is opened by being interlocked in a closing operation of the door after the toner cartridge is loaded into the main body.

Abstract: A fixing device includes a fixing section that includes rotatable members arranged to form a nip area through which a strip-shaped medium passes, and heaters that heat the rotatable members; and a control section. The fixing section applies heat and pressure to a toner image that is formed on the medium and passes through the nip area via the rotatable members heated by the heaters to fix the toner image onto the medium. The control section performs such control that the rotation of the rotatable members is stopped when the temperature of contact portions of the rotatable members that are in contact with the medium is lower than or equal to a first temperature that is lower than a temperature at which a portion of the medium softens.

Abstract: A resistivity-measuring device comprising: a carrier platform used for loading a plurality of products under measure; a material-incoming conveyor, on which the carrier platform is disposed, and comprising a material-incoming guide wheel group for moving the carrier platform horizontally; a probe module, used for measuring the resistance of the products under measure; a probe position regulating mechanism, disposed on the material-incoming conveyor and connected to the probe module for elevating the probe module vertically and moving the probe module horizontally; a revolving machine, connected to the material-incoming conveyor for receiving and transferring a plurality of products under measure from the material-incoming conveyor, wherein a transferring direction of the revolving machine is adjustable; and a controller, electrically connected to the material-incoming conveyor, the probe module, the probe position regulating mechanism and the revolving machine.

Abstract: A powder container includes a powder containing compartment having a powder outlet connectable to a horizontally extending tube of an apparatus in conjunction with installation of the powder container in the apparatus, a removably insertable plug member to open and close the powder outlet in conjunction with installation of the powder container, and at least one discrimination protrusion projecting from an outer circumferential surface of the powder container. The powder contained in the powder containing compartment is discharged from the powder outlet thereof to the tube. A downstream end of the discrimination protrusion is positioned downstream from a downstream end of the powder outlet of the powder containing compartment in an installation direction in which the powder container is installed in the apparatus, and at least one of shape, arrangement, and quantity of the discrimination protrusion is unique to the type of powder contained in the powder container.

Abstract: An image forming apparatus includes: an image forming portion which forms a toner image; a collecting container which is detachably arranged in an apparatus main body and which collects toner discharged from the image forming portion; a conveying path which conveys the toner discharged from the image forming portion toward the collecting container, the conveying path being arranged in the apparatus main body to be turnable to a first position positioned during operation of the main body and a second position different from the position positioned in the operation of the main body; and a fixing portion which can fix the conveying path at the first position and the second position.

Abstract: An image forming apparatus includes a replaceable member, a first determination unit, and a second determination unit. The replaceable member is removable from the image forming apparatus in an open state of a door and has a storage portion storing given information. The first determination unit determines whether or not a response from the storage portion exists. The second determination unit determines the image forming apparatus is in the open state or a removed state where the replaceable member is removed from the image forming apparatus when the first determination unit determines the response is not exist in given number of times.