Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 8116649 | Apparatus and method for adjusting cleaning station operation in a printing apparatus An apparatus (100) and method (200) that adjusts cleaning station operation in a printing apparatus is disclosed. The apparatus can include a charge receptor (110) movable in a process direction P, where the charge receptor can have a main surfa... | 02/14/2012 |
| 8090283 | Image forming apparatus, cartridge, and cleaning device An image forming apparatus includes: an image bearing body on which surface an image is formed and borne; an image forming section that forms the image; a transfer device that transfers the formed image to a transferring body; a cleaning member that comes into conta... | 01/03/2012 |
| 8086128 | Image forming apparatus with an intermediate transfer member and a plurality of cleaning members An image forming apparatus includes: an image forming device; an intermediate transfer member; a secondary transferring device; a first cleaning member; a second cleaning member; a contacting/separating device; a release-agent applying device; and a controlling unit... | 12/27/2011 |
| 8081895 | Image forming apparatus with variable speed cleaning members and cleaning method utilizing same An image forming apparatus includes: a plurality of image carrying members; a plurality of rotation cleaning members disposed for the respective image carrying members and cleaning surfaces of the respective image carrying members through rotation; and a controller ... | 12/20/2011 |
| 8078075 | Image forming apparatus and method to clean stained portion of image forming apparatus An image forming apparatus including a case, a printing medium feeding unit disposed in the case to feed printing media, an image forming unit disposed in the case to form images on a printing medium fed from the printing medium feeding unit using developer and to i... | 12/13/2011 |
| 8041246 | Image forming apparatus including a separable cleaning member and image forming method including controlling a seperable cleaning member An image forming apparatus includes: an image holding body that is rotatable, and holds a first toner image and a second toner image; an image forming unit that forms the first toner image and the second toner image on the image holding body; a transfer unit that tr... | 10/18/2011 |
| 8036561 | Method and apparatus for cleaning Aspects of the disclosure provided a method to improve performance of a cleaning device to extend a usage life of the cleaning device. The method can include obtaining a performance characteristic of an electrostatic brush that degrades operations of the electrostat... | 10/11/2011 |
| 8023852 | Systems and methods for controlling cleaning devices in image forming apparatus Systems and methods are provided for controlling cleaning devices in image forming apparatus electrostatic image forming apparatus. Such systems may include a charge receptor, movable in a process direction, defining a main surface. A toner application device applie... | 09/20/2011 |
| 8010008 | Image forming apparatus for applying pressing force acting between cleaning member and belt An image forming apparatus includes a belt, a cleaning member, a backup member, a pressing-force changing mechanism, and a control unit. The cleaning member is disposed in confrontation with the belt. The backup member is disposed to pinch the belt in cooperation wi... | 08/30/2011 |
| 7970310 | Image forming apparatus for supressing the effects of a band-like toner image In the image forming apparatus, in ending an image forming operation, a bias voltage having an opposite polarity from the transfer bias voltage is applied to the primary transfer device when at least a region passes through the primary transfer portion, the region p... | 06/28/2011 |
| 7949275 | Cleaning device, process cartridge and image forming apparatus A cleaning device capable of inhibiting noise from being caused by stick-slip vibration between a blade member of the cleaning device and an image carrier, a process cartridge, and an image forming apparatus are provided. A vibration detecting device for detecting a... | 05/24/2011 |
| 7945182 | Systems and methods for controlling cleaning devices in image forming apparatus Systems and methods are provided for controlling cleaning devices in image forming apparatus electrostatic image forming apparatus. Such systems may include a charge receptor, movable in a process direction, defining a main surface. A toner application device applie... | 05/17/2011 |
| 7941067 | Apparatus for print assembly blade deflection detection An apparatus (100) that detects blade deflection from a print assembly contact surface is disclosed. The apparatus can include a print assembly (110) rotationally supported in the apparatus, where the print assembly can have a print assembly contact su... | 05/10/2011 |
| 7937011 | Image forming apparatus and image controlling method An image forming apparatus includes an image bearing member; toner image formation means for forming a toner image on the image bearing member; removing means for removing deposited matter deposited on the image bearing member; detecting means for detecting a toner ... | 05/03/2011 |
| 7929878 | Photoreceptor filming reduction and long photoreceptor life through adjustment of cleaning blade working angle An electrostatic marking system has a cleaning station and a cleaning blade wherein the cleaning blade is adjustable depending upon data of cleaning station temperature, humidity, and a contaminant film on a photoreceptor P/R surface. A sensor or sensors measures th... | 04/19/2011 |
| 7917049 | Variable interference cleaning blade method A control method for monitoring the cleaning performance of a single or multiple blade xerographic cleaning subsystem includes looking at the photoreceptor post-cleaner with a full width array sensor and adjusting the blade load on the photoreceptor to the minimum r... | 03/29/2011 |
| 7885570 | Image forming apparatus having a cleaning unit that cleans a region of the image carrier An image forming apparatus is provided. The image forming apparatus includes: a carrier; a forming unit which forms an image on a carrier; a cleaning unit which cleans the carrier; a detection unit which detects a correction pattern formed on the carrier; and a cont... | 02/08/2011 |
| 7869731 | Image forming apparatus with collection amount setting portion to enable a reduced collection amount to be set for collection of waste toner particles An image forming apparatus includes: a photoconductive drum on which an electrostatic latent image is formed. A developer develops the electrostatic latent image to form a toner image on the photoconductive drum. A transfer-fixer transfers the toner image from the p... | 01/11/2011 |
| 7860420 | Cleaner-less image forming apparatus An image forming apparatus includes an image bearing member; charging means for applying electric charge to toner; a developing device; an intermediary transfer member; a primary transfer member for transferring the toner image from the image bearing member onto the... | 12/28/2010 |
| 7840152 | Image forming apparatus, process cartridge, cleaning system, and image forming apparatus with cleaning system A transfer residual toner that has not been electrostatically transferred onto a transfer paper P at a transfer nip and remains on a surface of a photosensitive element is temporarily retained by an elastic blade of a toner retaining unit in a mechanical manner befo... | 11/23/2010 |
| 7817933 | Cleaning method for compensating for environmental conditions and blade age in a cleaning subsystem A method for controlling blade interference in a single blade or multi-blade xerographic cleaner based on a look-up table for environmental conditions and blade age. Temperature and humidity sensors and a blade age counter are used to provide information to a contro... | 10/19/2010 |
| 7792454 | Image forming apparatus An image forming apparatus provided with a cleaning device including a cleaning blade in contact with an image carrier with contact pressure for removing the toner remaining on the image carrier; a toner guide roller which is located upstream of the cleaning blade i... | 09/07/2010 |
| 7787793 | Method for adjusting cleaning blade load on a photoreceptor A method for controlling a xerographic single or multiple blade cleaning subsystem includes sensing the actual cleaning blade load against a photoreceptor with a transducer and adjusting it to a desired value. A feedback loop through a stepper motor will set the des... | 08/31/2010 |
| 7756436 | Image forming apparatus with improved quality on image of low dot population A developing roller supplies toner to an image on an image bearing body, the image being formed in accordance with image data. A toner supplying member supplies developer material to the developer bearing member. A computing section computes a dot population density... | 07/13/2010 |
| 7756435 | Cleaning device and image forming apparatus using the same and cleaning method and image forming method using the same A cleaning method and cleaning device including a cleaning unit to clean a moving surface of a cleaning target by contacting a portion thereof with the moving surface of the cleaning target and moving the portion so that an unused portion thereof contacts the moving... | 07/13/2010 |
| 7738807 | Control for cleaning image carrier surface in image forming device An image forming device including a cleaning member that is made of an elastic material and cleans the surface of the image carrier by contacting with the surface. The drive unit rotates the image carrier in a reverse direction while the cleaning member is contactin... | 06/15/2010 |
| 7693441 | Image forming apparatus including a toner removing device operable in two modes for removing residual toner on an intermediate transfer member An image forming apparatus including a plurality of image bearing members, an electrostatic image forming device for forming an electrostatic image on the image bearing members, a plurality of developing devices for developing as developer images the electrostatic i... | 04/06/2010 |
| 7650094 | Image forming apparatus and controlling method An image forming apparatus includes an image bearing member; toner image formation means for forming a toner image on the image bearing member; removing means for removing deposited matter deposited on the image bearing member; detecting means for detecting a toner ... | 01/19/2010 |
| 7634210 | Cleaning system for an image forming apparatus for margin-less printing and control method thereof An image forming apparatus comprising: an image forming section to form a toner image based on print data; a transfer section to transfer the toner image onto a transfer sheet; a fixing section to fix the toner image transferred onto the transfer sheet; a cleaning s... | 12/15/2009 |
| 7627261 | Image forming apparatus and image forming method having control of cleaning depending on number of transferred images An image forming apparatus that forms an image using a plurality photoconductor bodies includes a cleanerless transfer belt configured to convey paper to the plurality of photoconductor bodies and a switching unit configured to switch on/off a cleaner for each of th... | 12/01/2009 |
| 7620340 | Image forming apparatus with cleaning blade lubrication An image forming apparatus includes an image bearing member which bears a toner image, a transfer member which transfers the toner image on the image bearing member to a transfer material, a cleaning blade which is brought into contact with and separated from the im... | 11/17/2009 |
| 7620339 | Image forming apparatus including first and second cleaning members An image forming apparatus includes a first image forming station including an image bearing member, developing means for developing an electrostatic image formed on the image bearing member with toner, wherein the toner remaining on the image bearing member after a... | 11/17/2009 |
| 7596335 | Field assisted cleaning system for a transfer belt and an image forming apparatus An image forming device is provided with a photoreceptor, a belt, a back member, a front member, and a voltage change device. The belt faces the photoreceptor. The back member is disposed on a back side of the belt. The front member is disposed on a front side of th... | 09/29/2009 |
| 7542694 | Image forming method with image flow suppression feature A band-like developer (toner) image is formed on an image bearing member by a developing member without performing a charging operation by a charger for electrically charging the image bearing member and then is removed by a cleaner. Thereafter, the charging operati... | 06/02/2009 |
| 7539431 | Image forming apparatus and techniques for collecting toner In an image forming apparatus that forms a toner image on a sheet of paper, a technique for achieving adequate toner collection from the photoconductive surface of the photoconductor to suit the situation is provided. An image forming apparatus performs image formin... | 05/26/2009 |
| 7539432 | Image forming apparatus An image forming apparatus includes a photoreceptor, a photoreceptor cleaner configured to clean the photoreceptor, a belt configured to be arranged opposite to the photoreceptor, a belt cleaner configured to clean the belt, a medium supplying device configured to p... | 05/26/2009 |
| 7526221 | Image forming apparatus having mechanism for changing pressing force between cleaning member and belt An image forming apparatus includes a belt, a cleaning member, a backup member, a pressing-force changing mechanism, and a control unit. The cleaning member is disposed in confrontation with the belt. The backup member is disposed to pinch the belt in cooperation wi... | 04/28/2009 |
| 7505704 | Lubrication-stripe system for a xerographic printer using an electrostatic cleaning brush and spots blade A xerographic printer includes a cleaning system having an electrically biased brush and a spots blade downstream of the brush. At various times a “lubrication stripe” dense toner is placed on a photoreceptor to lubricate the spots blade. In order for the lubric... | 03/17/2009 |
| 7502572 | Image forming apparatus and image forming method It is an object of the invention to provide an image forming apparatus and an image forming method that can reduce generation of a waste toner. An image forming apparatus according to the invention includes an image bearing member on which a toner image is fo... | 03/10/2009 |
| 7447455 | Color image forming apparatus and mono color printing method thereof Disclosed are a color image forming apparatus for mono color printing and a method thereof. The apparatus includes photoconductors, a charger, a development unit for forming a developer image on each of the photoconductors, a transfer unit including an image transfe... | 11/04/2008 |
