| Patent application number | Description | Published |
|---|
| 20080246978 | Image forming devices, hard imaging methods, and methods of determining a transfer function - Image forming devices, hard imaging methods, and methods of determining a transfer function are described. According to one embodiment, an image forming device includes an image engine configured to provide a marking agent upon media, processing circuitry configured to control the image engine to form a test image upon the media having a specified coverage of the marking agent and to access measurement data indicative of a measured coverage of the marking agent of the test image, storage circuitry configured to store data comprising associations of a plurality of specified coverage values of the marking agent and a plurality of resultant coverage amounts of the marking agent formed upon the media by the image engine corresponding to respective ones of the specified coverage values, and wherein the processing circuitry is further configured to access image data of an image to be formed to identify one of the specified coverage values of the marking agent to be formed upon the media to form the image, to modify the one specified coverage value using the stored data and the measurement data to provide an imaging coverage value, and to control the image engine using the imaging coverage value to form the hard image. | 10-09-2008 |
| 20090213414 | Printers and Printing - A printer control system ( | 08-27-2009 |
| 20100003045 | ELECTROGRAPHIC DOT GAIN AND OPTICAL DENSITY DECOUPLING METHOD, XEROGRAPHIC IMAGE REPRODUCTION, AND SYSTEMS, METHODS AND SOFTWARE RELATED THERETO - A method is provided for decoupling the control of dot gain and optical density in electrophotographic based printing by varying the exposure level for each dot in an image. | 01-07-2010 |
| 20100074639 | PRINTER, PRINTING METHOD AND PRINTER CALIBRATION METHOD - A method of calibrating an electrophotographic printer ( | 03-25-2010 |
| 20100296825 | DEVELOPMENT MONITORING METHOD AND SYSTEM - A method for monitoring development parameters of a liquid toner electrophotographic (LEP) printer, the method comprising defining an operational window for a current utilized by the printer and monitoring the current to determine a deviation of the current outside the operational window. | 11-25-2010 |
| 20110103813 | Correction Method, Apparatus, Data Carrier or System for Correcting for Unintended Spatial Variation in Lightness Across a Physical Image Produced by a Xerographic Process - A correction method for correcting unintended spatial variation in lightness across a physical image produced by a xerographic process, the method comprising producing a test image using the xerographic process, measuring a difference between actual lightness and intended lightness across at least part of the test image, and varying the light source level used subsequently in the xerographic process to correct for the measured unintended difference. | 05-05-2011 |
| 20110205568 | Imaging Device Calibration System And Method - One or more imaging device calibration methods and systems are disclosed. According to one embodiment, a calibration system and method includes the application of one or more white colorants on a high optical density media prior to application of calibration targets. The system and method allow for calibration of the imaging device without the necessity for changing the substrate or stopping printing. | 08-25-2011 |
| 20120014704 | CHARGE DIRECTOR INJECTION SYSTEM - A charge director injection system includes a charge director tank, a liquid toner tank, a charge director pump to pump charge director from the charge director tank into the liquid toner tank, and a control system configured to measure a change in charge density per amount of charge director injected into the liquid toner tank, and create a charge profile indicating a relationship between amount of charge director injected into the liquid toner and change in charge density of the liquid toner within the liquid toner tank. | 01-19-2012 |
