Printing apparatus, printing system, and printing method
US9180682B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2015 |
| Grant date | Nov 10, 2015 |
| Priority date | — |
| Expiry date | Apr 7, 2035 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB41J2/045
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A printing apparatus includes a printing head that includes a nozzle array, and a discharging control unit. The nozzle array is divided into a plurality of nozzle groups that is configured by a predetermined number of nozzles. The discharge control unit, when an abnormal nozzle having abnormal function of discharging the ink is included in any of the plurality of nozzle groups in a case of discharging the ink to a band area from the nozzle of each of the plurality of nozzle groups by assigning halftone data to the nozzle of each of the plurality of nozzle groups, assigns the halftone data assigned to the abnormal nozzle to the nozzle that is included in other pluralities of nozzle groups which are not the nozzle group including the abnormal nozzle according to a ratio that is a preset assignment ratio for each of the other pluralities of nozzle groups.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.