An ink jet printer comprises at least one ink jet head, in which plural nozzles are arranged in an array in a main scan direction, and eject a droplet of ink to recording material respectively at an ejected amount according to information of an image. Feeder rollers feed the recording material relative...http://www.google.fr/patents/US6523948?utm_source=gb-gplus-shareBrevet US6523948 - Ink jet printer and ink jet printing method
