| 7676171 |
Printing device and method for switching between monochrome and color modes |
Richard L. Swantner |
2010-03-09 |
| 7061514 |
Scanning system |
Andrew J. LeVake, Rulon Gregory Esplin |
2006-06-13 |
| 6549303 |
Trapping methods and arrangements for use in printing color images |
— |
2003-04-15 |
| 6249355 |
System providing hybrid halftone |
— |
2001-06-19 |
| 6169609 |
Imaging device and method for implementing a color map with K-only black point while reducing interpolator artifacts |
Steve A. Jacob, David A. Johnson |
2001-01-02 |
| 6034711 |
Self-indicating test page for use in setting density level and color balance in a color laser printer |
Brian E. Hoffmann |
2000-03-07 |
| 5898505 |
Resolution enhancement procedure and apparatus for a color laser printer |
Qian Lin, Brian E. Hoffmann |
1999-04-27 |
| 5802435 |
Toner hopper lockout mechanism |
Hiroyuki Honda, Kenji Sato |
1998-09-01 |
| 5793406 |
Adjustment of dot size for laser imagers |
Rulon Gregory Esplin, David S. Pitou, Richard Benear, James A. Kazakoff, Brian E. Hoffmann |
1998-08-11 |
| 5754751 |
Software-based procedure and apparatus for enhancement of a gray level image |
Marcus A. Smith |
1998-05-19 |
| 5687054 |
Corona charging apparatus |
Mikihiko Takada, Yukio Okamoto |
1997-11-11 |
| 5657430 |
Software-based procedure for conversion of a scalable font character bitmap to a gray level bitmap |
Marcus A. Smith, Brian E. Hoffmann |
1997-08-12 |
| 5610692 |
Toner hopper lockout mechanism |
Hiroyuki Honda, Kenji Sato |
1997-03-11 |
| 5252995 |
Color boundary enhancement in a multi-color electrostatic printer |
Gary L. Vondran, Jr. |
1993-10-12 |
| 5196897 |
High speed duplex printing mechanism having plural reversing pathways |
— |
1993-03-23 |
| 5116034 |
Envelope/sheet feed mechanism |
George B. Clifton, Kenneth E. Heath |
1992-05-26 |
| 4999646 |
Method for enhancing the uniformity and consistency of dot formation produced by color ink jet printing |
— |
1991-03-12 |
| 4583660 |
Vibratory toner dispensing system |
Marcus A. La Barre, Roger Archibald |
1986-04-22 |