公开(公告)号：US20210206111A1

公开(公告)日：2021-07-08

申请号：US16075498

申请日：2017-04-21

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Michael EWE ,  Eric COLLINS ,  Donnell D. DANIELS

IPC: B29C64/393 ,  B29C64/236 ,  B33Y30/00 ,  B33Y50/02 ,  B29C64/205

Abstract: An example three-dimensional printing system includes a first carriage, a second carriage, and a synchronization controller, The synchronization controller is coupled to the first carriage and the second carriage to synchronize movements of the first carriage and the second carriage. The synchronization controller is to avoid interference between the first carriage and the second carriage.

公开(公告)号：US20210206171A1

公开(公告)日：2021-07-08

申请号：US16074835

申请日：2017-04-13

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： James D. PLYMALE ,  Donnell D. DANIELS ,  Kyle MANNARI ,  Jeffrey A. WAGNER ,  Weiyun SUN ,  Rachelle COBB

IPC: B41J2/165

Abstract: Printers and associated printer maintenance methods and apparatus are disclosed. An example printer includes a nozzle to dispense fluid; a wiper to wipe the nozzle during a maintenance event; and a controller to cause the nozzle to dispense fluid during the maintenance event while the wiping material engages or is immediately adjacent the nozzle to deter a substance from being present within the nozzle.