Abstract: An image forming apparatus includes a cleaning unit to cover/uncover and/or clean a transparent window of a light scanning unit in linkage with operation of a drive device that causes a photoconductor and a developing roller to come into contact with each other or to be spaced apart from each other, thereby assuring enhanced reliability in cleaning operation.

Abstract: A toner cartridge according to one example embodiment includes an outlet port positioned on the front of a housing for transferring toner from a reservoir to a developer unit. The toner cartridge includes an engagement member having a first engagement surface and a second engagement surface. The first engagement surface is positioned proximate the rear of the housing to receive an actuation force from an actuation feature of an image forming device. The second engagement surface is positioned proximate the front of the housing below the outlet port to engage a shutter on an inlet port of the developer unit. The engagement member is movable from a first position to a second position upon receiving the actuation force. As the engagement member moves from the first position to the second position, the second engagement surface protrudes from the front of the housing to engage the shutter of the developer unit.

Abstract: An image forming apparatus includes an image forming unit, a unit supporting member for supporting the image forming unit, and an exposure device, wherein the unit supporting member includes a first contact supporting portion for supporting the image forming unit, and a second contact supporting portion disposed on a downstream side of the first contact supporting portion in a taking out direction of the image forming unit with a step portion. The image forming unit includes a first contact supported portion contacting and being supported by the first contact supporting portion, a second contact supported portion contacting and being supported by the second contact supporting portion, and a cleaner for cleaning the exposure device. Because the cleaner cleans the exposure device when the image forming unit is taken out from the unit supporting member, light from the exposure device is surely radiated to an image carrier surface.

Abstract: An image forming apparatus includes a roller pair, a paper dust collecting member, a scraping member, and a paper dust receiver. The paper dust collecting member can be drawn out from the apparatus main body and is disposed along an axis direction of the roller pair so as to collect paper dust adhered to one roller of the roller pair. The scraping member scrapes off paper dust adhered to the paper dust collecting member when the paper dust collecting member is moved in a draw-out direction. The paper dust receiver is disposed below the scraping member so as to receive the paper dust scraped off by the scraping member.

Abstract: The driving force transmitting device 1 of the present invention includes a first gear 11 that rotates about the same rotational shaft as that of a small wheel portion 112 and a second gear 12 that engages with the small wheel portion 112 and to which a rotational driving force is transmitted from the first gear 11. A rib member 113 that rotatably supports the second gear 12 is provided at a rotational center of the second gear 12. A first end portion of a rotational shaft 121 is pivotally supported by an attachment plate 20 within a root circle of the first gear 11. The annular rib member 113 is provided on a web face 114 of the first gear 11, the rib member 113 having the same rotational shaft as the first gear 11 and corotating with the first gear 11 while supporting a second end portion side of the rotational shaft 121.

Abstract: An image forming system according to an embodiment of the present invention includes an air cleaner for cleaning air, an image forming apparatus that is settable to a mode for economizing power, and a control unit that causes a display unit of the air cleaner to display an operating state of the image forming apparatus when the image forming apparatus is set to the mode for economizing power. An image forming system according to another embodiment of the present invention includes an image forming apparatus that prints an image on recording paper, an air cleaner that is for cleaning air, and is integrally attached to the image forming apparatus via a support member, and supported above the image forming apparatus by the support member, and a control unit that causes a display unit of the air cleaner to display an operating state of the image forming apparatus.

Abstract: A toner system according to one example includes a developer unit and a toner cartridge. The developer unit includes a toner reservoir, an inlet port and a shutter. The toner cartridge includes a toner reservoir, an outlet port and an engagement member having a first engagement surface and a second engagement surface. The first engagement surface is positioned to receive an actuation force from a feature of an image forming device. The second engagement surface is positioned proximate the outlet port to engage the shutter of the developer unit. The engagement member is movable from a first position to a second position upon receiving the actuation force. As the engagement member moves from the first position to the second position when the toner cartridge is mated with the developer unit, the second engagement surface protrudes from the front of the toner cartridge and opens the shutter of the developer unit.

Abstract: An image forming apparatus and a sensing device thereof. The sensing device includes a sensor, and a cleaning unit adapted to be operated by a moving printing medium and used to clean the sensor. The sensing device is operable according to delivery of a printing medium, to remove pollutants attached to the sensor.

Abstract: An image forming apparatus includes a dustproof shutter, a lock lever, a shutter lever and an elastic member. The dustproof shutter is openably/closably supported in a case so as to protect an exposure device. The lock lever is configured to lock a cover openably/closably provided in the case, and to be movable in an opening direction of the cover. The shutter lever is provided at a position coming into contact with the lock lever and the dustproof shutter when the cover is closed. The elastic member biases the shutter lever toward the lock lever. The shutter lever moves between a first position to open the dustproof shutter when the cover is locked and a second position to move the lock lever in the opening direction of the cover by a biasing force of the elastic member and closing the dustproof shutter when the cover is unlocked.

Abstract: The present application discloses an image forming apparatus for forming an image by means of toner. The image forming apparatus includes an image carrier including an image carrying surface to form an electrostatic latent image; a developing device which supplies the toner to the image carrying surface to form a toner image; and a suction device configured to create airflow for suctioning the toner scattered from the developing device. The developing device includes a duct configured to guide the airflow to the suction device. The duct includes a connection surface, to which the suction device is connected, and a suction surface provided with suction ports into which the toner flows. The suction ports aligned in a direction apart from the connection surface include different suction ports in ventilation area.

Abstract: An optical scanner includes a plurality of automatic cleaning units which automatically cleans dust-proof glasses. The automatic cleaning units include screw shafts threadedly coupled to holding units that hold cleaning members. When the holding members are moved by rotationally driving the screw shafts of the automatic cleaning units at the same time, the height of the cleaning member of at least one of the automatic cleaning units with respect to the dust-proof glasses becomes different from the height of the cleaning members of the remaining automatic cleaning units with respect to the dust-proof glasses.

Abstract: An image forming apparatus includes a corona charger, including a charging electrode, for charging a photosensitive member; a cleaning member for cleaning the charging electrode; a shutter in the form of a sheet for opening and closing an opening provided between the charging electrode of the corona charger and the photosensitive member; a driving unit for driving the shutter and the cleaning member; a fan for supplying the air toward the photosensitive member through the opening of the corona charger; and a controller for controlling the fan such that an air supply operation of the fan is stopped before the shutter operates to close the opening.

Abstract: An image forming apparatus and method are provided. The image forming apparatus includes a communication interface unit that receives printing data, an image forming unit that performs an ordinary printing to form an image on printing paper based on the printing data, a paper supplying unit that provides the printing paper to the image forming unit along with a paper supplying route, a determination unit that determines whether a functional printing may be performed on the paper supplying route in an interval section between sheets of the printing paper, and a controller that controls the image forming unit to perform a functional printing, wherein the ordinary printing is a printing performed on one or more sheets of printing paper, and the functional printing is a printing performed in an interval section between the sheets of printing paper.

Abstract: An image forming apparatus includes a developing device, a duct, a first fan, a dust collection part, and a connection portion. The duct communicates with a suction port that is provided in the vicinity of an opening portion of a developing container of the developing device. The first fan generates an airflow in the duct and discharges air that has passed through the suction port and through the duct to the outside of a main body of the apparatus. The dust collection part captures toner that has passed through the duct together with an airflow generated by the first fan. The connection portion is provided at some point along a length of the duct, can store part of toner that passes therethrough together with an airflow, and has a lid portion that is openable and closable with respect to a main body of the connection portion.

Abstract: A data processing apparatus includes: a reception unit configured to receive from a user an instruction for performing condensation removal in the data processing apparatus; a determination unit configured to determine whether a condition necessary to perform the condensation removal is satisfied; and a condensation removal unit configured to, in a case the determination unit determines that the condition is satisfied, according to the instruction received by the reception unit, perform the condensation removal in the data processing apparatus.

Abstract: A filter on top output bin of a printer is consisted of a box wherein a chamber inside of a box, filtering exit on the top of the box, sealing strips sealed along the edge of the filtering exit, filtering entrance under the box, anti-paper jam strips bored on two literal side of the filtering entrance, and an opening bored on a literal side of the box, a filtering net inside of the box is surrounded by frames, and electrostatic filter attached on the top of the filtering net. The filter can be placed on the top output bin on the printer, or be supported the box by having flexible holder adapted to a variety printer. The output papers won't be impacted into the filtering net by having anti-paper jam strips therefore filter can absorb toner emissions and odor so as to clear the air.

Abstract: A developing device includes a contact member and a developing adhesion member. The contact member is provided to an air releasing part communicating an inside and an outside of a developer case storing a developer containing a toner, in a condition being contactable with an agitating member agitating and conveying the developer in the developing case. The developing adhesion member is supported by the contact member and is configured to collect the developer within air flowing from the inside to the outside of the developing case and to receive vibration caused by agitating and conveying operations of the agitating member through the contact member.

Abstract: A development device includes a sheet member, a support member, and a vibration applying device. The sheet member is disposed between a developer carrier and a blade to receive a developer falling from the developer carrier toward the blade. The developer carrier is disposed to face to an image carrier on which an electrostatic latent image is formed and configured to supply the developer to the image carrier in a facing area to the image carrier. The blade is configured to regulate an amount of the developer carried on the developer carrier. The support member holds the sheet member. The vibration applying device applies vibration to the sheet member. The sheet member is stretchable and flexible and is stretched over the support member.

Abstract: An image forming apparatus includes a developing unit configured to supply a toner onto a surface of an image carrier to form a toner image carried from a toner container; a transfer unit configured to transfer the toner image onto a transfer medium; a cleaning unit configured to collect a non-transferred toner that is not transferred onto the transfer medium during the transfer by the transfer unit; a recycle unit configured to carry the non-transferred toner to the developing unit; a non-transferred-toner-amount detecting unit configured to detects an amount of the non-transferred toner; a total-toner-amount calculating unit configured to calculates an amount of the toner carried from the toner container; a consumed-toner-amount calculating unit configured to calculate, based on the amounts, a consumed toner amount; and an environmental-load-information calculating unit configured to calculate, based on the consumed toner amount, environmental load information.

Abstract: A paper particle removing device is provided with a paper particle removing roller configured to contact a printing sheet to capture paper particles on the printing sheet, a scraping member arranged adjacent to the paper particle removing roller and configured to contact the paper particle removing roller to scrape the paper particles, a paper particle container arranged on a scraping member side with respect to a position where the scraping member contacts the paper particle removing roller, and configured to collect the paper particles scraped by the scraping member, and a negatively-charged member arranged on the scraping member side with respect to a position where the paper particle removing roller contacts the scraping member and having a relative tendency in a triboelectric series to be negatively charged relative to the paper particles, the negatively-charged member inducing the paper particles scraped by the scraping member toward the paper particle container.

Abstract: A fixing unit includes: a fixing member which defines a fixing nip, where the fixing member fixes a toner image transferred onto a recording medium by applying heat and pressure to the toner image on the recording medium, and the recording medium passes through the fixing nip; a housing in which the fixing member is disposed, where the housing includes an entrance part, via which the recording medium enters therein, and a discharge part, via which the recording medium is discharged therefrom; and a blocking part disposed on the housing and toward an image surface of the recording medium to which the toner image is transferred, where the blocking part blocks nanodusts, which are generated while the toner image is being fixed to the recording medium, from being discharged to an outside of the housing.

Abstract: A powder delivery member includes: a rotation shaft portion disposed rotatably within a powder storage container with powder stored therein; a delivery portion for delivering the powder along the axial direction of the rotation shaft portion; and, a powder discharge portion which, is disposed at a position corresponding to the position of the powder discharge port of the powder storage container, and is capable of storing therein the powder delivered thereto from the delivery portion, and also which, when it is rotated along the peripheral direction of the rotation shaft portion with the powder stored therein, can deliver the stored powder to the powder discharge port.

Abstract: An image forming apparatus includes an image forming device configured to form, in a first position, a toner image on a sheet using toner containing a parting material; a fixing device configured to fix the toner image formed on the sheet by the image forming device in a second position, by heat and pressure; a fan configured to flow air along an air flow path between the image forming device and the fixing device; and a partition configured and positioned to substantially separate between the air flow path and a sheet feeding path from the first position to the second position.

Abstract: A fixing device includes a hollow, open-sided stationary heat roller, a flexible fuser belt, a fuser pad, a rotatable pressure member, a reinforcing member, and a sealing mechanism. The heat roller defines an elongated longitudinal side opening that opens into a hollow interior thereof. The fuser belt is looped for rotation around the heat roller to transfer heat radially outward from the roller circumference. The fuser pad is held substantially stationary along the roller opening outward from the roller interior and inward from the loop of the fuser belt. The pressure member is pressed against the fuser pad through the fuser belt to form a fixing nip. The reinforcing member is disposed within the roller interior to thrust against the fuser pad through the roller opening. The sealing mechanism is disposed on the roller opening to prevent foreign matter from entering the roller interior through the roller opening.

Abstract: An image forming apparatus includes an image carrier that holds a toner image, a rotary developing device including a plurality of developing units to develop an electrostatic latent image on the image carrier with toner by supplying the toner from the developing unit opposing the image carrier, a foreign-substance receiving plate that receives a falling foreign substance, a transfer unit that transfers the toner image from the image carrier onto a recording medium, and a fixing unit that fixes the transferred toner image on the recording medium. Each of the developing units includes a developer container that stores developer containing magnetic carriers and toner, and a developing roller that supplies the toner in the developer for development of the electrostatic latent image. The rotary developing device further supports a foreign-substance collecting member that magnetically collects a magnetic foreign substance on the foreign-substance receiving plate.

Abstract: An image scanning unit an image forming apparatus having the same to scan an image recorded on a document. The image scanning unit includes: a transparent window on which a document to be scanned is laid; an image sensor running straightly under the transparent window for capturing an image recorded on the document, a unit for driving the image sensor; a guide shaft for guiding the straight movement of the image sensor; and an image sensor carrier connected to the driving unit and the guide shaft for straightly moving the image sensor along the guide shaft when the driving unit operates. The image sensor carrier has an image sensor mounting surface on which the image sensor is mounted, and a guide shaft holder integrally formed with the image sensor mounting surface and mounted on the guide shaft.

Abstract: A bias charge member is pulsed into contact with a photoreceptor at high frequency as a mean to reduce contamination and wearing on both the bias charge member and photoreceptor.

Abstract: A detection device detecting a state of a toner image, an image forming apparatus including a detection device and method of detection are provided. The detection device includes a detector having a light window where light passes through and detecting a state of a toner image formed on an image bearing member via the light window, and a cleaner removing a pollutant attached to a surface of the light window. The cleaner includes an adsorption unit formed of a conductive material and reciprocating while being in contact with the surface of the light window and a voltage applying unit applying a voltage for adsorbing the pollutant to the adsorption unit.

Abstract: A particle adhesion preventing member used for an image forming apparatus that forms an image using charged toner, and configured to prevent adhesion of the charged toner, includes a conductive member, and an insulating member that is attached to the conductive member, including a porous member made of an ethylene propylene diene ternary copolymer having a density of 0.01 g/cm3 or more and 0.2 g/cm3 or less or silicon having a density of 0.01 g/cm3 or more and 0.3 g/cm3 or less, and being negatively charged with negatively charged particles adhering onto a surface thereof.

Abstract: A fixing device includes a rotatable fixing member configured to heat and fix, onto a recording material, a toner image formed on the recording material, a restriction member configured to restrict movement of the rotatable fixing member in a generatrix direction of the rotatable fixing member, and a capture member configured to capture a component vaporized by heat. The capture member is arranged to face a curved surface portion of the rotatable fixing member and is positioned by the restriction member.

Abstract: An image forming device is provided, which includes an interlocking mechanism that causes a cleaning unit to clean with a cleaning surface thereof a detection surface of a detection sensor for reading each detection pattern formed on an outer surface of a sheet-feeding endless belt, in conjunction with movement of a drawer, which holds a plurality of process cartridges, between an attachment position where a photoconductive drum included in each process cartridge faces an up-facing side of the outer surface of the endless belt and a replacement position where at least one of the process cartridges is outside a main body housing of the image forming device.

Abstract: An image forming apparatus includes: an image carrier unit that includes an image carrier that is to be rotated about a rotational driving shaft; a charging unit; an exposing unit including a light source substrate and a lens array; a developing unit; a transfer unit; and a fixing unit. The image carrier unit can be pulled out along the rotational driving shaft of the image carrier. The exposing unit is movable between a contacting position, at which the exposing unit abuts on a contacting surface of the image carrier unit to be positioned relative to the image carrier, and a retracted position, at which the exposing unit is away from the image carrier unit. At the contacting position, the contacting surface is closer to the exposing unit in an optical axial direction than a surface of the lens array is.

Abstract: An optical scanner includes a plurality of automatic cleaning units which automatically cleans dust-proof glasses. The automatic cleaning units include screw shafts threadedly coupled to holding units that hold cleaning members. When the holding members are moved by rotationally driving the screw shafts of the automatic cleaning units at the same time, the height of the cleaning member of at least one of the automatic cleaning units with respect to the dust-proof glasses becomes different from the height of the cleaning members of the remaining automatic cleaning units with respect to the dust-proof glasses.

Abstract: When a cleaning operation is performed, a controller of an image forming apparatus controls to emit a light beam from a light emitting window so as to form a stripe image in a predetermined position of an intermediate transfer member so as to form a image defect part in the stripe image, which occurs when a cleaning member moving in a reciprocating manner in a main scanning direction along the light emitting window blocks the light beam. In addition, the controller detects the image defect part by a density detecting member. When a predetermined number of image defect parts are not formed in the predetermined position in the period from start to end of the cleaning operation, the controller determines that the cleaning member is within the scanning range of the light beam.

Abstract: An image forming apparatus includes an image forming section, a paper supply section, a housing member and an ion generating unit. The housing member is disposed at least below the image forming section, and gives the same shape in plane view as the image forming section and the paper supply section. The ion generating unit is contained in the housing member. The ion generating unit includes a duct forming a pathway of flow to guide the air that is sucked in from outside of the housing member again to outside of the housing member, an ion generating device disposed inside the duct, and a fan for generating an air current in the duct.

Abstract: A fixing apparatus includes: first and second rotatable member configured to heat-fix, at a nip therebetween, an unfixed toner image formed on a sheet by using a toner containing a parting agent; a casing, configured to accommodate the first and second rotatable member, including a sheet introducing opening and a sheet discharging opening; and a suppressing portion configured to suppress diffusion, toward the sheet discharging opening, of particles having a predetermined diameter resulting from a parting agent in the neighborhood of the sheet introducing opening, wherein the suppressing portion is provided in a position of 0.5 mm or more and 3.5 mm or less from a surface of the first rotatable member in a space in the casing from the sheet introducing opening to the sheet discharging opening.

Abstract: A development device includes a developer storage chamber configured to store a developer, a developer carrying member configured to carry the developer, a light transmission member capable of transmitting detection light for detecting a remaining amount of a developer in the developer storage chamber, a shaft member which is provided to the developer storage chamber and configured to rotate, a conveyance unit which is provided to the shaft member and configured to convey the developer, and a cleaning unit which is provided to the shaft member and configured to rub and clean the light transmission member, wherein the shaft member includes an opening.

Abstract: A fixing apparatus includes: first and second rotatable members configured to heat-fix, at a nip therebetween, a toner image of toner containing a parting agent formed on a sheet; a casing, configured to accommodate the first and second rotatable member, including a sheet introducing opening and a sheet discharging opening; and a suppressing member configured to suppress diffusion, toward the sheet discharging opening, of particles having a predetermined diameter resulting from a parting agent in the neighborhood of the sheet introducing opening. The suppressing member is provided in the neighborhood of the sheet introducing opening so as to block between the casing and the first rotatable member.

Abstract: A collecting member that collects suspended particles vaporized from wax includes a flow path and a space, where gas passes along the flow path. The space is connected to the flow path through an opening formed in the flow path. The space extends upstream with respect to a direction of travel of the gas that passes along the flow path. By virtue of this structure, dew condensation in a fixing unit is suppressed while efficiently collecting the suspended particles.

Abstract: An image forming apparatus according to the present invention includes: a photoreceptor drum that is provided along a paper path of transfer paper; a discharging unit including a light emitting body that emits discharging light, the discharging unit eliminating electrical charge on a surface of the photoreceptor drum; a blast unit that is provided to blow air toward the discharging unit; and a air duct that is provided in the vicinity of the light emitting body, and is configured such that the air from the blast unit toward the discharging unit is configured to blow to a side of the paper path through the air duct.

Abstract: An image forming apparatus is provided. The image forming apparatus includes a chassis having an opening, a cover, photosensitive members, an intermediate transfer belt, a primary-transfer member, a secondary-transfer roller, a cleaner device, a waste toner container, which is movable along a predetermined direction to be removably installed in the chassis through the opening and stores residual toner, a connector, and a feed roller, which is arranged within the feeding path to feed the recording sheet in the feeding path. The feed roller is arranged in a position to at least partially fall within a vertical range of the waste toner container and to be aligned with the waste toner container along an axial direction of the second feed roller.

Abstract: Methods are provided for controlling airflow across a width of a charger support area having a charger housing supporting a corona charger that is proximate to a primary imaging member. In one method, a flow of air is provided proximate an inlet side of the charger housing area and a deflection surface is used to deflect the flow of air from a first direction to a second direction leading to an impact surface against which the flow of air is disbursed. The impact surface is outside of the width of the charger housing so that the air flow can supply a volume of disbursed air into the charger housing and primary imaging member that is sufficient to create a pressure that causes the disbursed air to move to an outlet on an opposite side of the area without directly exposing the charger or the primary imaging member.

Abstract: A charging device has a corona charger including a grid, the corona charger being configured to charge a photosensitive member. The device also has a sheet-like shutter configured to open and close an opening of the corona charger in the longitudinal direction, a winding member configured to wind the shutter while holding one end of the shutter, a holding member configured to hold the other end of the shutter and move in the longitudinal direction of the opening, and a protective member configured to protect a portion of a surface of the shutter facing the grid, the portion being adjacent to the holding member.

Abstract: An image forming device, comprising: an endless belt stretched by a plurality of rollers; and a detection sensor located to face one of the plurality of rollers while sandwiching the endless belt between the detection sensor and the one of the plurality of rollers, the detection sensor reading information formed on the endless belt through use of reflection of light. A recessed part is formed, to catch foreign particles, on the one of the plurality of rollers at a position which is shifted in an axis direction of the one of the plurality of rollers with respect to a detection area on the endless belt to which light from the detection sensor is irradiated.

Abstract: A corona charger conventionally includes a sheet-like shutter and a holding member configured to hold an end of the shutter, and the replacement of a charging electrode is difficult. To solve this problem, the holding member configured to hold the end of the shutter is set to be movable along the longitudinal direction of a shield to a winding member of the shutter more than a supporting member configured to replaceably support the charging electrode.

Abstract: A printing apparatus includes an image forming section which forms a toner image of the image to be printed on a recording medium; a transport belt which transports the toner image formed by the image forming section; a light-emitting section which emits a light to the transport belt; a first light-receiving section which is disposed at a position through which a regular reflection light, of the light emitted from the light-emitting section, reflected from the transport belt passes; a second light-receiving section which is disposed at a position different from the position of the first light-receiving section; a transmissive member which is disposed at a position through which the light emitted from the light-emitting section and a reflection light, of the light, reflected from the transport belt pass and which transmits the light and the reflection light.

Abstract: According to one embodiment, a toner receiver includes a tray that is located below a path through which a supply port of a supply container passes if the supply container mounted to a main body is removed from the main body, and includes a first surface close to the supply port and a toner sump recessed from the first surface; and a toner guard that includes an upper surface including a same height as the first surface and causes toner spilled from the supply port to pass from the first surface to the toner sump.

Abstract: An image forming apparatus is provided. The image forming apparatus includes an outer housing, a cover openeably/closably mounted at the outer housing, an optical scanning device including a light transmissive member configured to transmit laser light, a cleaning member configured to clean the light transmissive member, and an interlocking mechanism. The interlocking mechanism moves the cleaning member in conjunction with opening/closing of the cover.

Abstract: An image forming apparatus includes a photosensitive unit to form an visible image, a printing medium storage unit to store a printing medium, a pickup device to pick up the printing medium from the printing medium storage unit, a developing unit to develop the electrostatic latent image of the photosensitive unit into a visual image, an optical sensor to inspect the visual image, and a cleaning unit to clean a light window arranged at the optical sensor according to a control of the pickup device.

Abstract: An image forming apparatus has a toner image carrier that rotates in a specified direction, a developing device comprising a toner supporting member that faces to a surface of the toner image carrier to form a developing area and that rotates in a same direction with the toner image carrier at the developing area, a transfer member for transferring a toner image from the surface of the toner image carrier onto a recording sheet, a guide for guiding a recording sheet to between the toner image carrier and the transfer member, and an air aspirator for aspirating air from the developing area and a location of the guide to a location of the transfer member. The air aspirator causes a first airflow, which carries toner, from the developing area and a second airflow, which does not carry toner, from the location of the guide. The second airflow prevents the first airflow from flowing to the location of the guide.