Patent ID: 9365033
Filing Date: 2016-06-14
CPC Classification: B41J

Claim Text:
1. A method for controlling the ejection of ink drops from an inkjet printhead comprising an array of ink chambers with nozzles arranged for applying a row of ink dots on a receiving medium using a control signal, the method comprising the steps of: a) labeling a nozzle as a functioning nozzle if the nozzle, upon activation by a control signal, ejects an ink drop within predefined specifications, otherwise labeling the nozzle as a failing nozzle, and b) distributing a control signal associated with a failing nozzle to a neighboring nozzle to maintain a local optical density, wherein said control signal associated with a failing nozzle is not distributed to a neighboring nozzle, but directed as if the nozzle were not failing, if at least one of the neighboring nozzles of said failing nozzle is also labeled as a failing nozzle.