Patent ID: 6505908
Filing Date: 2003-01-14
Classification: B41J,G02B

Abstract:
An ink-jet printer which performs printing by discharging ink from an ink-jet head onto a printing object, comprising:an ink-jet head having a plurality of ink-discharge nozzles arrayed in a lengthwise direction; and an auxiliary member attached to said ink-jet head along the lengthwise direction, said auxiliary member having a predetermined volume to increase a thermal capacity of said ink-jet head, and having a function to correct warp of said ink jet head, wherein said ink-jet head has a plurality of first screw holes at positions corresponding to different positions in the lengthwise direction, while said auxiliary member has second screw holes having a larger diameter than that of said first screw holes, at positions corresponding to the first screw holes, and wherein the warp of said ink-jet head is corrected by pulling said ink-jet head toward said auxiliary member by screw-inserting a first screw which is fit-inserted into said first screw hole via said second screw hole, while pushing said ink-jet head away from said auxiliary member by screw-inserting a second screw which is fit-inserted into said second screw hole so that the second screw contacts said ink-jet head.