Patent ID: 7108351

Claim:
An ink jet recording apparatus for printing a paper web guided to travel in an arc configuration on a plurality of guide rollers while having a predetermined tension applied thereto, comprising: an ink jet printing head of a drop-on-demand type with a nozzle assembly comprising a plurality of nozzle rows juxtaposed with one another in a direction of travel of the paper web and within a predetermined distance; wherein said ink jet printing head is adapted to be disposed relative to the traveling paper web at a position such that said nozzle assembly lies opposed to a linearly traveling surface area of the paper web that is leaving a first of said guide rollers immediately after the traveling paper web ends its wrapping contact with said first guide roller or that is approaching a second of said guide roller immediately before the traveling paper web begins its wrapping contact with said second guide roller; and wherein the nozzle assembly of said ink jet printing head has its upstream end positioned to coincide in position with a paper wrap end point lying at a downstream end of a paper wrap region in which the paper web is wrapped on said first guide roller.