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| Number | Title | Issue Date |
| 8190051 | Cleaning device for intermediate transferring member and image-forming apparatus equipped with the same A cleaning device for an intermediate transferring member, comprising: a first cleaning roller that is placed so as to rotate while being made in contact with a surface of the intermediate transferring member; a fi... | 05/29/2012 |
| 8190053 | Image forming apparatus with cleaning device that does not cause excessive cutting and cleaning method In an image forming apparatus including a cleaning device having a cleaning blade arranged so as to make contact with and separate from a cleaned surface, an occurrence of excessive cutting when the cleaning blade makes contact with the cleaned surface is prevented.... | 05/29/2012 |
| 8190052 | Intermediate transfer body and image forming apparatus An intermediate transfer body is provided. An intermediate transfer body includes an intermediate transfer belt and a belt cleaning section including a cleaning blade. A plurality of projecting portions extending so as to have a predetermined angle with respect to a... | 05/29/2012 |
| 8185011 | Cleaning device and image forming apparatus incorporating same A first roll brush is formed from material having the positive triboelectric charge polarity against toner. A positive bias is applied to the first roll brush through a first collection roller by a first bias application device. A second roll brush is formed from ma... | 05/22/2012 |
| 8180246 | Image forming apparatus An image forming apparatus includes multiple image forming units disposed adjacent to and horizontally aligned with each other to form respective single non-black color images, a first transfer member to sequentially transfer and overlay the respective single non-bl... | 05/15/2012 |
| 8180247 | Image forming apparatus for transferring transfer residual toner onto image bearing member There is a charge member which charges secondary transfer remaining toner on an intermediate transfer member to a polarity opposite to a normal charge polarity. The transfer remaining toner charged by the charge member is moved in the direction opposite to that of n... | 05/15/2012 |
| 8175490 | Image forming apparatus with a cleaning unit An image forming apparatus includes: an image forming unit having a plurality of photoconductor drums arranged in tandem; an intermediate transfer belt arranged opposite to the photoconductor drums and configured to receive developer images formed on the photoconduc... | 05/08/2012 |
| 8170441 | Cleaning blade for electrostatographic apparatus A cleaning blade member including a polymer substrate and a fluorinated polyurethane ceramer coating surface layer. The polymer substrate may comprise polyurethane. The fluorinated polyurethane ceramer coating may comprise a fluorinated polyurethane silicate hybrid ... | 05/01/2012 |
| 8145091 | Image forming apparatus and method of cleaning secondary transfer roller used therein A toner image is formed on an image carrier using a toner supplied from a developing roller to which a controlled bias voltage is applied; the toner image is primarily transferred onto an intermediate transfer member; the toner image is secondarily transferred onto ... | 03/27/2012 |
| 8135303 | Image forming apparatus for preventing contamination of a backside of a recording medium In an image forming apparatus, when backside contamination of a recording material occurs, a control portion carries out control so that a plurality of restoring toner bands having a length L1 longer than a circumference L3 of a secondary transfer roll... | 03/13/2012 |
| 8131178 | Image forming system cleaning station with waste toner collection A cleaning station is usable with an image forming apparatus that has at least one developer configured to deliver toner of a first polarity to a latent image formed on a photoconductor. The cleaning station includes a transfer mechanism configured to transfer the t... | 03/06/2012 |
| 8131177 | Image forming apparatus An image forming apparatus includes a secondary transfer roller that is supported by a secondary-transfer-unit supporting unit and transfers a toner image onto a recording medium, a lubricant applying brush that comes into contact with the secondary transfer roller ... | 03/06/2012 |
| 8121513 | Electrophotographic printer having a transfer roller A cleanable electrophotographic printer that meets the requirement for high speed printing on a continuous web of paper as the printing medium and which minimizes the amount of toner that remains on the surface of a rotating transfer roller even in high-speed produc... | 02/21/2012 |
| 8116656 | Image forming apparatus with guiding portion for changing the position of a cleaning unit in a transfer unit A transfer unit has a belt unit having a belt and a cleaning unit for cleaning the belt. The belt unit and the cleaning unit are integratedly provided. The cleaning unit is movable for the belt unit. The transfer unit is detachable for an apparatus main body. A posi... | 02/14/2012 |
| 8107849 | Image forming apparatus A compact image forming apparatus is provided in which stains on the back of a transfer material can be prevented. In particular, in a marginless print mode in which a toner image can be formed to the edge of a transfer material, a large amount of toner adheres to a... | 01/31/2012 |
| 8107848 | Image forming apparatus with contact/separation mechanism to/from intermediate transfer body In a printer, three toner patches are primary-transferred successively to an intermediate transfer belt. Here, after the first toner patch passes through a belt cleaner and before the second toner patch reaches the belt cleaner, and after the second toner patch pass... | 01/31/2012 |
| 8103185 | Cleaning device and image forming apparatus A cleaning device includes: a cleaning blade which removes liquid developer including toner particles and carrier liquid by bringing a contact corner portion constituted by a first surface and a second surface into contact with a cleaned body which is rotated or cir... | 01/24/2012 |
| 8103184 | Image forming apparatus When a number of print pages, a driving time or a toner adhering amount exceeds a cleaning trigger value during no transfer operation, a circumferential speed of a secondary transfer roller is changed with respect to a circumferential speed of an intermediate transf... | 01/24/2012 |
| 8095032 | Image forming apparatus with cleaning member When a switch displayed on an operation panel is operated, a control portion starts aging control in which image formation is stopped and yellow toner is applied onto an intermediary transfer belt and a secondary transfer roller. A toner band is formed, on full circ... | 01/10/2012 |
| 8086133 | Toner removal apparatus for electrographic printer A cleaning station for removing particulate material from a moving web in an electrographic printer/copier includes a customer-replaceable web-cleaner device with a support bracket/backup shoe assembly. The web-cleaner has two wiper blades, including one or more bla... | 12/27/2011 |
| 8078081 | Image-forming device having a belt cleaning unit The present invention provides an image-forming device having a developer-carrying member, an image-carrying member, a belt, and a cleaning unit. The developer-carrying member has an outer surface including a thin layer forming region for carrying a thin layer of de... | 12/13/2011 |
| 8068761 | Image forming apparatus having a cleaning unit An image forming apparatus includes: an image forming unit including a plurality of photoconductor drums arranged in tandem; a conveyor belt arranged opposite to the photoconductor drums and configured to convey a recording sheet; and a cleaning unit including a cle... | 11/29/2011 |
| 8064792 | Image forming apparatus with an independent drive unit for a cleaning unit An image forming apparatus may include an intermediate transfer belt for transferring, onto a sheet, a developer image that has been transferred from an image carrier to the intermediate transfer belt. The image forming apparatus may also include a cleaning unit tha... | 11/22/2011 |
| 8059985 | Image forming apparatus with accurately positionable cleaning unit for cleaning a transfer unit A transfer unit includes: a plurality of rollers; an image forming section which performs formation of a toner image in accordance image information and transfer of the toner image; an intermediate transferring belt to which the toner image is transferred from the i... | 11/15/2011 |
| 8045881 | Cleaning device for intermediate transferring member and image-forming apparatus A cleaning device for an intermediate transferring member, comprising: a first cleaning roller that is placed so as to rotate while being made in contact with a surface of the intermediate transferring member; a fi... | 10/25/2011 |
| 8041249 | Developer collecting/charging device, image forming apparatus and cleaning method After-transfer remaining toner is reversely transferred from a transfer member to an image carrier. A toner collecting/charging device for temporarily collecting and charging the after-transfer remaining toner remaining on the transfer member includes a toner collec... | 10/18/2011 |
| 8036567 | Image forming apparatus An image forming apparatus includes an endless belt that is rotated, an image forming device configured to form an image on a recording medium which fed on the endless belt, a cleaning roller configured to be rotated and clean the endless belt, a pair of registratio... | 10/11/2011 |
| 8036566 | Control method of image forming apparatus and image forming apparatus A control method and an image forming apparatus. The apparatus includes a latent image carrier; a development apparatus for developing a liquid developer containing a toner, a carrier liquid and a dispersant soluble in the carrier liquid therein on the latent image ... | 10/11/2011 |
| 8032051 | Belt carrying device, intermediate transfer device, and image forming apparatus A belt carrying device includes supporting rollers, an endless belt supported by the supporting rollers, and guiding members provided on the endless belt. The endless belt is rotated by rotation of the supporting rollers. An outer peripheral surface of the endless b... | 10/04/2011 |
| 8027612 | Image forming apparatus having a charge member disposed near an image bearing member Provided is an image forming apparatus having a charge brush for charging a transfer residual toner remaining on an intermediate transfer member. A toner is adhered to the charge brush. While a charge voltage is applied to the charge brush, the toner adhered to the ... | 09/27/2011 |
| 8023857 | Transfer device and image forming apparatus with sealing member in contact with transfer belt A transfer device includes: a transfer belt hung around a roller; and a transfer belt sealing member in contact with a transfer surface and a circumferential end surface of the transfer belt and in contact with the circumferential end surface of the transfer belt di... | 09/20/2011 |
| 8023856 | Image-forming device with a cleaning mechanism A belt is disposed in a main body and moves circularly to transport a recording medium placed thereon. A cleaning roller contacts an outer surface of the belt for removing extraneous matter deposited on the outer surface of the belt. A pair of backup rollers is disp... | 09/20/2011 |
| 8014697 | Cleaning device, and image forming apparatus provided with the same A cleaning device for cleaning an image forming surface of a rotating image bearing member that bears a toner image includes a cleaning member that faces and cleans the image forming surface. An operating mechanism allows the cleaning member to come in press-contact... | 09/06/2011 |
| 8000628 | Image forming apparatus with a cleaning device An image forming apparatus includes: an image forming unit having a plurality of photoconductor drums arranged in tandem; an intermediate transfer belt arranged opposite to the photoconductor drums and configured to receive developer images formed on the photoconduc... | 08/16/2011 |
| 7983588 | Image forming apparatus with cleaning device that does not cause excessive cutting and cleaning method In an image forming apparatus including a cleaning device having a cleaning blade arranged so as to make contact with and separate from a cleaned surface, an occurrence of excessive cutting when the cleaning blade makes contact with the cleaned surface is prevented.... | 07/19/2011 |
| 7978998 | Image forming apparatus for transferring transfer residual toner onto image bearing member There is a charge member which charges secondary transfer remaining toner on an intermediate transfer member to a polarity opposite to a normal charge polarity. The transfer remaining toner charged by the charge member is moved in the direction opposite to that of n... | 07/12/2011 |
| 7953344 | Image forming apparatus and image quality maintaining method A technique is provided that enables maintaining an appropriate level of image quality even under conditions that the quantity of residual toner increases in an image forming apparatus in which a lubricant is supplied to a cleaning target part from which a residual ... | 05/31/2011 |
| 7937017 | Image forming apparatus The belt cleaning unit receives a biasing force, receives a rotating force of an output gear connected to an input gear, and further receives a reaction force from a cleaning roller rotationally driven to be opposed to a transfer belt while in contact with it during... | 05/03/2011 |
| 7929880 | Cleaning blade anti-peeling apparatus, image forming apparatus, and cleaning blade anti-peeling method A cleaning blade anti-peeling apparatus includes a transfer apparatus that transfers a toner image formed on an image carrier to an endless transfer member. An image carrier cleaning member captures toner remaining on the image carrier after the toner image is trans... | 04/19/2011 |
| 7917053 | Image forming and toner cleaning apparatus and method An image forming apparatus performs an image forming operation and an untransferred toner particles transfer operation. In particular, the image forming apparatus has an image bearing member, the image bearing member having an endless image bearing surface and suppo... | 03/29/2011 |
