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1. WO2020117199 - SPIT ENERGY LEVELS

Publication Number WO/2020/117199
Publication Date 11.06.2020
International Application No. PCT/US2018/063644
International Filing Date 03.12.2018
IPC
B41J 2/07 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
07characterised by jet control
B41J 2/04 2006.01
BPERFORMING OPERATIONS; TRANSPORTING
41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005characterised by bringing liquid or particles selectively into contact with a printing material
01Ink jet
015characterised by the jet generation process
04generating single droplets or particles on demand
Applicants
  • HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US]/[US]
Inventors
  • QIAN, Li
  • JUAN MUNOZ, Jaime
  • MUNOZ NAVARRO, David
Agents
  • PERRY, Garry A.
  • FOR ADDITIONAL NAMES, see the attached copy of a General Power of Attorney
Priority Data
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SPIT ENERGY LEVELS
(FR) NIVEAUX D'ÉNERGIE D’ÉJECTION
Abstract
(EN)
A printing apparatus is disclosed. The printing apparatus comprises a printhead and a controller. The printhead is to spit a printing fluid comprising a first mode and a second mode. The first mode corresponds to using a first energy level to spit the printing fluid and the second mode corresponds to using a second energy level to spit the printing fluid. The second energy level comprises a higher energy level than the first energy level. The controller is to determine a decap risk zone associated with the printing fluid, determine in view of the decap risk zone a decap location, and instruct the printhead to spit using the second mode at the decap location.
(FR)
La présente invention concerne un appareil d'impression. L'invention concerne un appareil d'impression comprenant une tête d'impression et un dispositif de commande. La tête d'impression est destinée à faire tourner un fluide d'impression comprenant un premier mode et un second mode. Le premier mode correspond à l'utilisation d'un premier niveau d'énergie pour éjecter le fluide d'impression et le second mode correspond à l'utilisation d'un second niveau d'énergie pour éjecter le fluide d'impression. Le second niveau d'énergie a un niveau d'énergie plus élevé que le premier niveau d'énergie. Le dispositif de commande est destiné à déterminer une zone de risque de décapuchonnage associée au fluide d'impression, déterminer, en vue de la zone de risque de décapuchonnage, un emplacement de décapuchonnage, et ordonner à la tête d'impression de tourner à l'aide du second mode au niveau de l'emplacement de décapuchonnage.
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