| 7162172 |
Semi-automatic image quality adjustment for multiple marking engine systems |
Michael C. Mongeon, Hugh W. Griffith, Krzysztof J. Less, Tim D. M. Enskat |
2007-01-09 |
| 6871029 |
Process for minimizing toner usage in minimum area coverage patches and minimizing toner churning |
Grace T. Brewington |
2005-03-22 |
| 6668146 |
Hybrid scavengeless development using direct current voltage shift to remove wire history |
Jeffrey C. Folkins, Rasin Moser, William H. Wayman, Larry G. Hogestyn |
2003-12-23 |
| 6639669 |
Diagnostics for color printer on-line spectrophotometer control system |
Fred F. Hubble, III, Tonya L. Love, Lalit Keshav Mestha, Gary W. Skinner, Dennis M. Diehl +2 more |
2003-10-28 |
| 6404997 |
Method and apparatus for dynamically controlling image density |
— |
2002-06-11 |
| 6321043 |
Control of halftone and solid area image quality by way of a halftone discharge ratio |
— |
2001-11-20 |
| 6134398 |
Electrostatographic reproduction machine having dual mode development unit control apparatus and method |
— |
2000-10-17 |
| 5887221 |
Signature sensing for optimum toner control with donor roll |
— |
1999-03-23 |
| 5749023 |
Adaptive feed forward compensation for time varying toner cohesivity |
Guru B. Raj, James M. Pacer |
1998-05-05 |
| 5613176 |
Image on image process color with two black development steps |
— |
1997-03-18 |
| 5559579 |
Closed-loop developability control in a xerographic copier or printer |
Mark A. Gwaltney |
1996-09-24 |
| 5051781 |
Xerographic setup and operating system for electrostatographic reproduction machines |
Daniel C. Roehrs, Angelo Caruso, Robert M. Mara, John G. Elliot, Patricia J. Saraceno +1 more |
1991-09-24 |
| 5045882 |
Xerographic setup and operating system for electrostatographic reproduction machines |
Daniel C. Roehrs, Angelo Caruso, Robert M. Mara, John G. Elliot, Patricia J. Saraceno +1 more |
1991-09-03 |
| 5016050 |
Xerographic setup and operating system for electrostatographic reproduction machines |
Daniel C. Roehrs, Angelo Caruso, Robert M. Mara, John G. Elliot, Patricia J. Saraceno +1 more |
1991-05-14 |
| 5006892 |
Xerographic setup and operating system for electrostatographic reproduction machines |
Daniel C. Roehrs, Angelo Caruso, Robert M. Mara, John G. Elliot, Patricia J. Saraceno +1 more |
1991-04-09 |
| 4512652 |
Control scheme compensating for changing characteristics of a photoconductive member used in an electrophotographic printing machine |
Kenneth J. Buck, Thomas Hayes |
1985-04-23 |
| 4318610 |
Control system for an electrophotographic printing machine |
— |
1982-03-09 |