| Patent Number |
Title Of Patent |
Date Issued |
| 7609999 |
Apparatus for charging an image transfer surface |
October 27, 2009 |
| An apparatus for charging an image transfer surface in an image transfer device includes a support member and a conductive polymer material surrounding an outer periphery of the support member. An inner portion of the conductive polymer material is loaded with a supplemental conducting |
| 7554566 |
Image development methods, hard imaging devices, and image members |
June 30, 2009 |
| Image development methods, hard imaging devices, and image members are described. According to one embodiment, an image development method includes providing an image member comprising a surface having different portions of different electrical conductivities, wherein one of the port |
| 7502116 |
Densitometers and methods for measuring optical density |
March 10, 2009 |
| Methods for measuring optical density are described. The color on an area is determined. Based on the color, at least a first illumination source is selected. The area is illuminated with the selected illumination source. Radiation is received from the area, and the received radiation |
| 7395020 |
Imaging methods, imaging devices, transfer assemblies, and transfer member lubrication assemblie |
July 1, 2008 |
| Imaging methods, imaging devices, transfer assemblies, and transfer member lubrication assemblies are described according to some aspects. According to one aspect, an imaging method includes forming a latent image using a first imaging member, using a marking agent, developing the latent |
| 7298993 |
Imaging methods, image engines, and photoconductor charging systems |
November 20, 2007 |
| Imaging methods, image engines, and photoconductor charging systems are described. According to one embodiment, an imaging method includes providing a charge device configured to provide an electrical charge to a surface of an imaging member which is usable for imaging, moving a surf |
| 7174114 |
Apparatus and method for reducing contamination of an image transfer device |
February 6, 2007 |
| An apparatus and method for reducing contamination of an image transfer surface in an image transfer device includes a charging device for charging the image transfer surface. An airflow control system ventilates the charging device and restricts airflow adjacent the image transfer s |
| 7050742 |
Hard imaging apparatus charging devices and hard imaging device charging methods |
May 23, 2006 |
| Aspects of the invention relate to hard imaging apparatus charging devices, imaging assemblies, imaging assemblies charging methods, and hard imaging device image bearing member charging methods. In one aspect, a hard imaging apparatus charging device is disclosed. The charging devic |
| 7035572 |
Hard imaging device charging systems, electrophotography charging systems, hard imaging apparatu |
April 25, 2006 |
| Aspects of the invention relate to hard imaging device charging systems, liquid electrophotography charging systems, hard imaging apparatuses, and hard imaging device electrophotography charging methods. In one embodiment, a hard imaging device charging system is described. The charg |
| 7035567 |
Apparatus and method for reducing contamination of an image transfer device |
April 25, 2006 |
| An apparatus and method for reducing contamination of an image transfer surface in an image transfer device includes a shield member configured to restrict airflow against the image transfer surface. |
| 7010259 |
Apparatus and method for cleaning an image transfer device |
March 7, 2006 |
| An apparatus and method for cleaning an image transfer surface in an image transfer device. The cleaning apparatus includes a first cleaning station and a second cleaning station positioned to consecutively clean the image transfer surface. The first and second cleaning stations apply cl |
| 6682173 |
Symptomatic reduction of banding artifacts |
January 27, 2004 |
| A digital image is reproduced by printing a set of test patterns with a print engine that produces banding artifacts; generating a parametric artifact model of the banding artifacts in the prints of the test patterns; modifying the digital image with the parametric artifact model; an |
| 6615004 |
Supplying marking fluid in an imaging system |
September 2, 2003 |
| Systems and methods of supplying marking fluid in an imaging system are described. In one aspect, height signals indicative of relative marking fluid levels in a marking fluid tank reservoir are generated. A measure of marking fluid flow rate is computed based upon multiple height signal |
| 6456311 |
Automatic registration and length adjustment |
September 24, 2002 |
| A method for registration of print separations in a printer comprising: (a) printing a first pattern, for which at least one image characteristic varies relatively weakly with misregistration, using at least one of first and second separations; (b) printing a second pattern, for which sa |
