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1. (WO2018044311) GAP SPITS AT PRINTHEADS
Latest bibliographic data on file with the International Bureau   

Pub. No.: WO/2018/044311 International Application No.: PCT/US2016/049833
Publication Date: 08.03.2018 International Filing Date: 01.09.2016
IPC:
B41J 2/165 (2006.01)
B PERFORMING OPERATIONS; TRANSPORTING
41
PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
J
TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2
Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
005
characterised by bringing liquid or particles selectively into contact with a printing material
01
Ink jet
135
Nozzles
165
Prevention of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
Applicants:
HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P. [US/US]; 11445 Compaq Center Drive W. Houston, Texas 77070, US
Inventors:
LE, Huy; US
RUDYANI, Rudyani Binte; SG
LARSON, Christie D.; US
STAYKOV, Dimitre L.; US
Agent:
PERRY, Garry A.; US
Priority Data:
Title (EN) GAP SPITS AT PRINTHEADS
(FR) PROJECTION D’ESPACE AU NIVEAU DE TÊTES D'IMPRESSION
Abstract:
(EN) In one example of the disclosure, a printer includes a printhead having a set of nozzles. Printing ejection of marking agent is caused upon a media to print each of a set of pages of a print job. An initial page spit is caused to occur at the printhead prior to the printing engine causing printing of an initial page of the print job. A between-pages spit is caused to occur at the printhead between printing of pages of the print job. Responsive to a determination that a predetermined period between printing of a page and a consecutive page of the print job has been exceeded, a gap spit is caused to occur at the printhead in lieu of a between-pages spit.
(FR) L’invention concerne, selon un exemple, une imprimante comprenant une tête d'impression dotée d'un ensemble de buses. L'éjection d'impression de l'agent de marquage est amenée suite à l'impression, par un support, de chaque page d'un ensemble de pages d'une tâche d'impression. Une projection de page initiale est amenée à se produire au niveau de la tête d'impression avant que le moteur d'impression n'amène l'impression d'une page initiale de la tâche d'impression. Une projection entre pages est amenée à se produire au niveau de la tête d'impression entre l'impression de pages de la tâche d'impression. Une fois qu'il est déterminé qu’une période prédéterminée entre l'impression d'une page et d'une page consécutive de la tâche d'impression a été dépassée, une projection d'espace est amenée à se produire au niveau de la tête d'impression au lieu d'une projection entre pages.
Designated States: AE, AG, AL, AM, AO, AT, AU, AZ, BA, BB, BG, BH, BN, BR, BW, BY, BZ, CA, CH, CL, CN, CO, CR, CU, CZ, DE, DK, DM, DO, DZ, EC, EE, EG, ES, FI, GB, GD, GE, GH, GM, GT, HN, HR, HU, ID, IL, IN, IR, IS, JP, KE, KG, KN, KP, KR, KZ, LA, LC, LK, LR, LS, LU, LY, MA, MD, ME, MG, MK, MN, MW, MX, MY, MZ, NA, NG, NI, NO, NZ, OM, PA, PE, PG, PH, PL, PT, QA, RO, RS, RU, RW, SA, SC, SD, SE, SG, SK, SL, SM, ST, SV, SY, TH, TJ, TM, TN, TR, TT, TZ, UA, UG, US, UZ, VC, VN, ZA, ZM, ZW
African Regional Intellectual Property Organization (ARIPO) (BW, GH, GM, KE, LR, LS, MW, MZ, NA, RW, SD, SL, ST, SZ, TZ, UG, ZM, ZW)
Eurasian Patent Office (AM, AZ, BY, KG, KZ, RU, TJ, TM)
European Patent Office (EPO) (AL, AT, BE, BG, CH, CY, CZ, DE, DK, EE, ES, FI, FR, GB, GR, HR, HU, IE, IS, IT, LT, LU, LV, MC, MK, MT, NL, NO, PL, PT, RO, RS, SE, SI, SK, SM, TR)
African Intellectual Property Organization (BF, BJ, CF, CG, CI, CM, GA, GN, GQ, GW, KM, ML, MR, NE, SN, TD, TG)
Publication Language: English (EN)
Filing Language: English (EN)