Ink jet printer

Abstract

The objective of the invention is to obtain an ink jet printer for forming an image by reciprocating a head in the widthwise direction of a recording medium and supplying ink to the head through a tube in which flexure of the tube is regulated without requiring an extra member and without imposing a large moving resistance to the head. When a head 7 moves together with a carriage 11, a tube 31 projecting from the end face of the head 7 in the moving direction flexes. Rearward flexure (leftward on the drawing) of the tube 31 is regulated by a tube band 41 abutting against the cover 25 of a carry roller 3 and a guide shaft 13. As shown on fig. 4, front end face of the cover 25 and front end face of the guide shaft 13 are disposed on a vertical plane perpendicular to a platen 5. Consequently, flexure of the tube 31 can be regulated without requiring an extra member and without imposing a moving resistance by floating the tube 31.

Description

[0001] This application is a divisional application of the application with the application number 02154598.7 and the title of the invention "ink-jet printer" submitted on December 10, 2002. technical field [0002] The present invention relates to an inkjet printer that ejects ink from a printing head and forms an image on a recording medium. Specifically, the printing head is made to reciprocate in the width direction of the recording medium, and at the same time, the ink is supplied to the printing head through an ink tube. A serial inkjet printer that forms images. Background technique [0003] Conventionally, it has been considered that in an inkjet printer, an ink holding unit for holding ink is provided separately from the print head, and ink is supplied from the ink holding unit to the print head through an ink tube. In this case, it is easier to reduce the size of the print head than to integrate the ink holding portion and the print head. Moreover, if such a struc...

AI Technical Summary

Problems solved by technology

However, when the bent ink tube comes into contact with the protective cap and floats up, it also becomes a resistance to the direction of movement of the print head

Moreover, sometimes it is necessary to attach positioning marking components such as coding strips near the moving range of the printing head along the moving direction of the printing head. Therefore, the bending of the ink tube must be limited within a certain range.

Even so, if special parts are provided to limit the bending of the ink tube, this alone will hinder the realization of miniaturization

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