公开(公告)号：US11318733B2

公开(公告)日：2022-05-03

申请号：US16916907

申请日：2020-06-30

Applicant: Xerox Corporation

Inventor： Mark J. Hirsch ,  David C. Craig ,  Mark C. Petropoulos ,  Eliud Robles Flores

IPC: B41F33/00 ,  B41F7/02 ,  B41M1/06

Abstract: According to aspects of the embodiments, there is provided a method of determining the amount of fountain solution employed in a digital offset lithography printing system. Fountain solution thickness is determined from diagnostic images that are printed and analyzed using the existing Image Based Controls (IBC). An analysis of the density of solids, halftones, and background as a function of the fountain solution control parameter is performed to decide on the appropriate level of fountain solution. A latitude window of control parameters is then derived for which the digital offset lithography printing system in operation minimizes the undesirable effects of too much or too little fountain solution.

公开(公告)号：US20140127624A1

公开(公告)日：2014-05-08

申请号：US13669740

申请日：2012-11-06

Applicant: XEROX CORPORATION

Inventor： Mark J. Hirsch ,  Kip L. Jugle ,  John R. Falvo

IPC: G03G9/16

CPC classification number: G03G9/09708 ,  G03G9/08704 ,  G03G9/09

Abstract: A process is disclosed for the preparation of developer compositions comprising: providing a first developer including carrier and a first toner comprised of resin, pigment, polyolefin, a first compatibilizer, a first charge control agent, and a first metal oxide surface additive; and, adding thereto a second developer including carrier, and a second toner, second compatibilizer, a second charge control agent, and a second metal oxide surface additive.

Abstract translation: 公开了用于制备显影剂组合物的方法，其包括：提供包含载体的第一显影剂和由树脂，颜料，聚烯烃，第一增容剂，第一电荷控制剂和第一金属氧化物表面添加剂组成的第一调色剂; 并向其中加入包含载体的第二显影剂和第二调色剂，第二增容剂，第二电荷控制剂和第二金属氧化物表面添加剂。

公开(公告)号：US11305572B2

公开(公告)日：2022-04-19

申请号：US16917044

申请日：2020-06-30

Applicant: Xerox Corporation

Inventor： David C. Craig ,  Mark J. Hirsch ,  Mark C. Petropoulos ,  Eliud Robles Flores

IPC: B41N3/08 ,  B41F33/00 ,  B41F7/24

Abstract: According to aspects of the embodiments, there is provided a method of determining the amount of fountain solution employed in a digital offset lithography printing system. Fountain solution thickness is determined by examining optical density of some halftone or solid patch versus laser current level. The apparatus and method uses a variable current signal to dither or perturb the laser imaging system to irradiate a fountain solution layer to create patches at different laser current levels. An aptly programmed controller then process optical density measurements to indirectly estimate fountain solution level.

公开(公告)号：US08852843B2

公开(公告)日：2014-10-07

申请号：US13669740

申请日：2012-11-06

Applicant: Xerox Corporation

Inventor： Mark J. Hirsch ,  Kip L. Jugle ,  John R. Falvo

IPC: G03G9/10

CPC classification number: G03G9/09708 ,  G03G9/08704 ,  G03G9/09

Abstract: A process is disclosed for the preparation of developer compositions comprising: providing a first developer including carrier and a first toner comprised of resin, pigment, polyolefin, a first compatibilizer, a first charge control agent, and a first metal oxide surface additive; and, adding thereto a second developer including carrier, and a second toner, second compatibilizer, a second charge control agent, and a second metal oxide surface additive.

Abstract translation: 公开了用于制备显影剂组合物的方法，其包括：提供包含载体的第一显影剂和由树脂，颜料，聚烯烃，第一增容剂，第一电荷控制剂和第一金属氧化物表面添加剂组成的第一调色剂; 并向其中加入包含载体的第二显影剂和第二调色剂，第二增容剂，第二电荷控制剂和第二金属氧化物表面添加剂。