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Inkjet printer and cap unit for maintenance unit of inkjet printer

An inkjet printer, inkjet technology, applied in printing, etc., can solve the problems of printer size increase, pump failure, etc.

Inactive Publication Date: 2005-01-26
BROTHER KOGYO KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] But for this measure, it is also necessary to secure space for the pump to move, which still results in an increase in the size of the printer
In addition, the movement of the pump can cause the pump to malfunction

Method used

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  • Inkjet printer and cap unit for maintenance unit of inkjet printer
  • Inkjet printer and cap unit for maintenance unit of inkjet printer
  • Inkjet printer and cap unit for maintenance unit of inkjet printer

Examples

Experimental program
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Embodiment Construction

[0043] Next, embodiments of the present invention will be described by way of examples.

[0044] figure 1 It is a schematic structural diagram of the internal structure of an inkjet printer according to an embodiment of the present invention, shown by way of example and viewed from the left.

[0045] The inkjet printer 1 is a color inkjet printer, and four inkjet heads 2 respectively corresponding to inks of four colors (magenta, yellow, cyan and black) are arranged inside. In addition, this inkjet printer 1 is configured so that it is located on the back side (on the figure 1 The paper feeding section 3 on the left side in ) feeds a paper-like recording medium such as recording paper or various films (hereinafter also referred to as "paper") to the front (in figure 1 Exit section 4 on the right in ). The inkjet printer 1 is internally provided with a pair of pickup rollers 5, two belt rollers 6 and 7, a conveyance belt 8, a pressing member 9, a separating unit 10, a guide ...

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PUM

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Abstract

In purge processing, ink ejected from a head weeps from a cap unit due to weight of the ink during the movement of a maintenance unit to a retraction position. Then, the ink is absorbed into a primary recovery portion mounted on a movable body. When the maintenance unit reaches the retraction position, the primary recovery portion comes into contact with an ink absorber of the secondary recovery portion so that the ink migrates from the primary recovery portion to the secondary recovery portion due to a capillary phenomenon. Also, when the maintenance unit moves to a maintenance position, the primary recovery portion comes into contact with an ink absorber of the secondary recovery portion so that the ink migrates from the primary recovery portion to the secondary recovery portion due to a capillary phenomenon.

Description

technical field [0001] The present invention relates to an inkjet printer and a cap unit for a maintenance unit of the inkjet printer. Background technique [0002] In an inkjet head of an inkjet printer, a large number of nozzles are formed to eject ink therefrom so that printing can be performed on recording paper or various sheet-like recording media (hereinafter also all referred to as "paper-like recording media"). When ink is ejected through these nozzles, ink is supplied to the nozzles. Therefore, these nozzles are always filled with ink. [0003] When such an inkjet head is exposed to the atmosphere for a long time without printing, solvent components are gradually evaporated from the ink in the nozzles, so that the concentration of the ink in the nozzles increases or the inside of each nozzle becomes dry. In this state, ink cannot be ejected correctly from the nozzles. Therefore, print quality is lowered. [0004] Therefore, this inkjet printer is provided with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41J2/18B41J2/165B41J2/185
CPCB41J2/16508
Inventor 冈本次男
Owner BROTHER KOGYO KK
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