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8180249 Image forming apparatus  
An image forming apparatus includes an enclosure including a first opening provided at a front side thereof, a second opening provided at a left side thereof, and a third opening provided at a...
8180264 Image forming unit and image forming apparatus  
An image forming unit and an image forming apparatus comprising the image forming unit are supplied capable of preventing toner in bottom part of toner accommodating room from accumulating so as to...
8175493 Toner cartridge having magnetic coupling  
A toner cartridge having a magnetically coupled drive apparatus is provided. The cartridge provides a first toner holding member that houses toner and a second toner holding member adjacent to the...
8175486 Image forming apparatus having body-side contacts and unit-side contacts  
An image forming apparatus may include an apparatus body, and a photosensitive-member unit slidably attached to the apparatus body and retaining a plurality of photosensitive members. The apparatus...
8175492 Developer unit and image forming device  
A developing unit and image formation device in which a developer carrier is reliably pressed towards and separated from an image carrier is described. A separation and pressing mechanism is...
8170448 Developing cartridge having input gear and developer roller and supply roller gears  
A developing cartridge includes an input gear which receives an external driving force; a developing roller which carries developer; a supply roller that is in contact with the developing roller...
8170428 Method for interchanging components in a printing apparatus  
A method may include the steps of providing a printing assembly that includes a plurality of printing modules that each include a specific toner color, wherein a first printing module is failing...
8170442 Developing cartridge and image forming apparatus  
A developing cartridge includes a first frame including a first wall at one end thereof, a second frame including a pair of second walls facing with each other and a third wall that connects the...
8165506 Image forming apparatus and developer container therefor  
An image forming apparatus includes a plurality of developing units respectively including developer inlets, the developing units are arranged side by side in a first direction, a plurality of...
8165507 Image formation apparatus and developer cartridge  
An image formation apparatus is provided, to which developing devices, each having an opening, and developer cartridges for respectively supplying a developing agent to the openings of the...
8165495 Devices and methods for retracting a cartridge in an image forming devices  
The present application is directed to methods and devices for moving a cartridge between engaged and disengaged positions in an image forming device. The image forming device may include a bias...
8155558 Developing cartridge, image forming apparatus having the same, and printing method for an image forming apparatus  
A developing cartridge usable with an image forming apparatus includes a housing having a developing member, a developer storing portion storing developer supplied to the developing member, and a...
8155564 Image forming apparatus  
In a rotary-type image forming apparatus, rotation of a rotary is temporarily stopped at a position where a coupling member and a drive transmission member are engageable with each other, and a...
8155553 Developing apparatus, process cartridge, and electrophotographic image forming apparatus  
A developing apparatus includes a developing roller for developing an electrostatic latent image formed on a photosensitive member. A drive transmission member is provided at one end of the...
8150292 Developing unit and image forming apparatus comprising same  
A developing unit includes a unit main body having an internal space defined by a predetermined frame and capable of supplying a developer to the outside while agitating the developer within the...
8139988 Developing device of image forming apparatus  
A developing device includes a feed tool to feed a developer to a developing tool, a developer receiving chamber in which the developer to be fed to the feed tool is received, and a first delivery...
8139978 Image forming apparatus and developing agent cartridge  
An image forming apparatus may include a casing, and a plurality of image carriers parallelly arranged along one direction in the casing and formed with an electrostatic latent image. The apparatus...
8139987 Developer supplying cartridge, developer receiving cartridge, process cartridge, and image forming apparatus  
A developer supply cartridge detachably mountable to a main assembly of an image forming apparatus, includes a developer accommodating portion of accommodating a developer; a discharging opening...
8126374 Image forming apparatus and developer container therefor  
An image forming apparatus includes a plurality of developing units respectively including developer inlets, the developing units are arranged side by side in a first direction, a plurality of...
8126370 Developing unit and image forming apparatus having the same  
Disclosed are a developing unit, in which a developing agent storing part is closed by an agitating member, and an image forming apparatus having the same. The developing unit includes a developing...
8126371 Developing device and image forming apparatus and toner supplying method using the same  
A developing device includes: a developing vessel for storing a developer D containing a toner and a magnetic carrier; a first conveying passage for conveying the developer; a first conveying...
8126358 Image forming apparatus having member for moving developer carrier in and out of contact with photosensitive element included in drum unit  
An image forming apparatus can include a main body, and a drum unit movable between an inside position which is inside of the main body and an outside position. The drum unit may include a...
8121517 Process cartridge, electrophotographic image forming apparatus and electrographic photosensitive drum unit  
A process cartridge is detachably mountable to a main assembly of an electrophotographic image forming apparatus including a driving shaft having a rotational force applying portion by moving in a...
8121520 Photosensitive member cartridge  
A photosensitive member cartridge for use with an image-forming apparatus includes a photosensitive drum and a cartridge case comprising an upper wall, a bottom wall, a right side wall, and a left...
8116659 Image-forming device capable of positioning developing unit and developer cartridge precisely  
An image-forming device includes a casing, a process unit, a first shutter, a toner cartridge, a second shutter, and a wall. The process unit is detachably mounted in the casing and formed with a...
8116642 Developer stirring unit, developing device and image forming apparatus  
A developer stirring unit, a developing device containing the developer stirring unit and an image forming apparatus comprising the developing device are supplied capable of correctly judging a...
8112013 Image forming device  
An image forming device includes a frame, a subunit detachably attached to the frame, a frame-side positioning portion, a subunit-side positioning portion, the subunit being positioned relative to...
8107855 Image forming device having detachable developing device unit  
An image forming device includes a main casing, a photosensitive drum unit and a developing device unit. The photosensitive drum unit includes a plurality of photosensitive drums juxtaposed in a...
8099020 Developer cartridge and developing device  
A developer cartridge and developing device are provided. The developer cartridge is attachable to and detachable from a developing housing, the developing housing supporting a developer carrier...
8099025 Toner stirring device having a pushing member and rotation member for an image forming apparatus  
A toner containing section contains toner, and includes a toner stirring member penetrating the toner containing section for stirring the toner. A rotation member is attached to the toner stirring...
8095048 Toner cartridge mounting structure, toner cartridge, and image forming apparatus  
A toner cartridge mounting structure includes a toner cartridge and a developing member. The toner cartridge having a toner accommodating portion for accommodating toner, a toner supplying opening...
8090291 Image forming device including a shaft member with regulators provided thereon for breaking up an attachment/detachment operation of an image forming unit  
An image forming device includes a main body, an image forming unit configured to be attached to and detached from the main body, the image forming unit being configured to move among first,...
8090294 Image forming apparatus with structure for suppressing rising of developer agitating roller at start of rotation  
An image forming apparatus includes an image bearing body and a developer apparatus with mutually opposing first and second side faces to supply a developer to the image bearing body. The developer...
8086139 Developing cartridge and image forming device  
A developing cartridge that maintains a pressing condition to press a developer carrier against the image carrier is described. The developing cartridge may include a coil spring that presses the...
8086138 Image forming apparatus having developer cartridge including waste container  
An image forming apparatus is provided. The image forming apparatus includes a housing which comprises a housing side opening through which waste toner passes; a plurality of developing units; a...
8081887 Selective print job aggregation  
A selective job aggregation method includes identifying a predetermined usage match between a first consumable component and a second consumable component of printer device. Print jobs are then...
8073360 Color electrophotographic image forming apparatus  
A color electrophotographic image forming apparatus having an apparatus main body to which a plurality of cartridges are detachably mounted adjacently in one direction for forming a color image on...
8064794 Image forming device with holding unit engagement mechanism  
An image forming device includes: a main body; a plurality of image forming units; a holding unit; and an engagement mechanism. Each of the plurality of image forming units has a developing...
8064796 Image forming apparatus  
To provide an image forming apparatus which is able to improve image quality while suppressing soiling of image white parts, scattering in the apparatus, streaks, fading, etc. due to non-uniformity...
8064793 Image-forming device having tray that enables developing unit to move  
An image-forming device includes a main body; a developing unit; a transferring unit; and a tray. The developing unit has a developer-accommodating section that accommodates developer and a...
8059986 Cartridge assembling method and cartridge reassembling method  
In a state where a gear is resting on a side cover, the gear and a shaft of a developing roller are made to engage with each other.
8059994 Image forming unit and image forming apparatus  
An aspect of the invention provides an image forming unit that comprises: a developer container configured to contain a developer; and a developer supplier including at least a developer carrier...
8055167 Image forming apparatus including pressing unit to maintain gap between rollers  
An image forming apparatus is disclosed. The image forming apparatus includes a photosensitive body, a magnetic roller disposed at a predetermined distance from the photosensitive body, and a donor...
8055143 Image forming apparatus including temperature sensor embedded developers and method of controlling the image forming apparatus  
Provided is an image forming apparatus which includes a photosensitive body on which an electrostatic latent image is formed, a developing unit including toner to develop the electrostatic latent...
8055155 Image forming apparatus with developing device support structure  
A detachable developer in which a photosensitive unit and a development unit are separately and independently installed in a main body. The detachable developer includes a first axis connection...
8053154 Toner and image forming method  
A toner for electrostatic charge development is provided where the toner comprises a colorant and a resin and contains an organic boron compound represented by a following chemical formula (A) as a...
8050575 Image forming apparatus and photosensitive cartridge  
An image forming apparatus includes a first developing cartridge and a first photosensitive cartridge. The first developing cartridge is removably mounted in the first photosensitive cartridge and...
8045886 Image forming apparatus and cartridge for the use therewith  
An image forming apparatus and a cartridge for use therewith are provided. The image forming apparatus includes a main body; a cartridge that stores a developer; and a supporting member that...
8036572 Color electrophotographic image forming apparatus  
A color electrophotographic image forming apparatus including: an opening in a main body; a door opening and closing the opening; a first tray movable between an inside position and an outside...
8036543 Developing apparatus, process cartridge and image forming apparatus  
A developing apparatus usable with an electrophotographic image forming apparatus, the apparatus including a developer accommodating container, a developer chamber including a developer carrying...