| Patent Number |
Title Of Patent |
Date Issued |
| D589551 |
Flat toner cartridge |
March 31, 2009 |
|
| D589085 |
Toner paddle |
March 24, 2009 |
|
| D588192 |
Flat toner cartridge |
March 10, 2009 |
|
| 7555237 |
Positioning mechanism for positioning a developing apparatus and related developing apparatus |
June 30, 2009 |
| A positioning mechanism for positioning a developing apparatus is disclosed. The positioning mechanism includes a base. A guide slot is formed on the base for guiding the developing apparatus to slide inside the base in a first direction. The base includes a first end and a second en |
| 7526229 |
Belt tension mechanism of an image forming device |
April 28, 2009 |
| A belt tension mechanism includes a tension roller disposed on a side of a photoconductive belt for pressing the photoconductive belt, a first elastic component connected to the tension roller for providing the elastic force to the tension roller, and a releasing device disposed on t |
| 6766131 |
Liquid electrophotographic developing apparatus using air pressure to hold liquid developer ther |
July 20, 2004 |
| A liquid electrophotographic developing apparatus including a developing unit with an elongated opening disposed adjacent to a photoreceptor and an air duct provided around the elongated opening. The air flow in the air duct has a predetermined air pressure to hold a liquid developer wit |
| 6724506 |
Method and apparatus for measuring and indicating paper level in a sheet-feeding device |
April 20, 2004 |
| An imaging system includes an imaging subsystem for forming an image on a sheet, a tray for holding a supply of sheets, a ramp for directing a sheet from the tray into a paper path, a sensor in the vicinity of the paper path, a drive assembly and a processor connected to the drive assemb |
| 6687473 |
Method and apparatus for a non-contact direct transfer imaging system |
February 3, 2004 |
| An imaging system that includes a photoreceptor belt capable of having an electrostatic latent image recorded thereon, a group of developing stations capable of developing a color image on the photoreceptor, and at least one charging means and at least one exposing means to prepare the |
| 6605402 |
Method of using variably sized coating particles in a mono component developing system |
August 12, 2003 |
| The present invention is directed to a non-contact, single-component developing system for electrophotographic machines that effectively reduces the impact of adhesion forces on the development process. The developing system of the present invention utilizes a single-component toner |
| 6553200 |
Liquid electrophotographic developing apparatus using electrodes to charge toner particles |
April 22, 2003 |
| A liquid electrophotographic developing apparatus including a developing unit and a plurality of air transport members. The developing unit has an elongated opening disposed adjacent to a moving image-bearing surface of a photoreceptor, and it is used for converting an electrostatic late |
| 6535704 |
Upgradeable and easily serviceable imaging systems with a removable module and methods for using |
March 18, 2003 |
| An imaging system including a plurality of developing stations for developing an image on a sheet, a releasably removable image receiving module having at least one exposing unit and an image receiving substrate and a support structure for receiving the releasably removable image rec |
| 6532029 |
Imaging-offset compensation methods and systems |
March 11, 2003 |
| Imaging offset problems in imaging systems, such as electrophotographic (EPG) printers and copiers, are overcome. Imaging offset results from misaligned exposure units that, when uncompensated, produce dots on a photoreceptor belt at exposure positions that are offset from ideal dot |
| 6487376 |
Upgradeable imaging systems with configurable printing routines |
November 26, 2002 |
| An upgradeable imaging system includes a housing with an opening. A support structure and a plurality of imaging stations are disposed within the housing. Each imaging station includes a charging unit and a developing unit. The imaging system also includes a removable module with a p |
| 6484004 |
Method and apparatus for stabilizing the charge-to-mass ratio of various toner components in a m |
November 19, 2002 |
| An apparatus for efficiently transferring at least two subtractive color toner images simultaneously onto a substrate. The apparatus includes a photoreceptor, transfer charger, mechanism for placing the substrate between the photoreceptor and transfer charger, a plurality of print st |
| 6463255 |
Sheet feeder, imaging system and method |
October 8, 2002 |
| An imaging subsystem for forming an image on a sheet comprises a tray for holding a supply of sheets, a ramp for directing a sheet from the tray to the imaging subsystem and a drive assembly including a roller for moving a top sheet of the supply of sheets in the tray to the ramp with a |
| 6356734 |
Method and apparatus for applying toner release agent in an image forming apparatus |
March 12, 2002 |
| An image forming apparatus for forming images on a media substrate having an electrophotographic image forming apparatus including apparatus for selectively applying a toner release agent. The apparatus includes a supply roller for applying a toner release agent onto a fuser roller or |
| 6349024 |
DC biased AC corona charging |
February 19, 2002 |
| In one corona charging arrangement described in the specification, a coronode supplied with AC voltage is contacted by an insulating member in the form of a mesh of insulating filaments or an imperforate dielectric insulating member or filaments wound around an insulating member and |
