Inkjet printer

Patent metadata

Field	Value
Publication number	US-2017087881-A1
Application number	US-201615270686-A
Country	US
Kind code	A1
Filing date	Sep 20, 2016
Priority date	Sep 30, 2015
Publication date	Mar 30, 2017
Grant date	—

Abstract

An inkjet printer includes: a printing unit including an inkjet head and configured to eject an ink from the inkjet head while conveying a sheet in a conveying direction along a printing route to perform printing on the sheet; and a downstream side conveyor arranged downstream of the printing unit in the conveying direction and including a guide defining a downstream conveyance route being a space for the sheet to be conveyed. The downstream side conveyor is configured to convey the sheet along the downstream conveyance route. The downstream side conveyor includes an adjustment member narrowing a flow passage of air in the downstream conveyance route. The guide includes communication holes communicating the downstream conveyance route with a space outside the printing route and outside the downstream conveyance route.

First claim

What is claimed is:

1 . An inkjet printer comprising:
a printing unit comprising an inkjet head and configured to eject an ink from the inkjet head while conveying a sheet in a conveying direction along a printing route to perform printing on the sheet; and a downstream side conveyor arranged downstream of the printing unit in the conveying direction and comprising a guide defining a downstream conveyance route being a space for the sheet to be conveyed, the downstream side conveyor configured to convey the sheet along the downstream conveyance route, wherein the downstream side conveyor comprises an adjustment member narrowing a flow passage of air in the downstream conveyance route, the guide comprises communication holes communicating the downstream conveyance route with a space outside the printing route and outside the downstream conveyance route.

2 . The inkjet printer according to claim 1 , wherein the communication holes are arranged downstream of the adjustment member in the conveying direction.

3 . The inkjet printer according to claim 1 , wherein
the inkjet head comprises a plurality of head modules, and a communication hole of the communication holes located closer to the plurality of head modules in the conveying direction than the other communication hole has a larger opening area than an opening area of the other communication hole.

4 . The inkjet printer according to claim 2 , wherein
the inkjet head comprises a plurality of head modules, and a communication hole of the communication holes located closer to the plurality of head modules in the conveying direction than the other communication hole has a larger opening area than an opening area of the other communication hole.

5 . The inkjet printer according to claim 1 , wherein the adjustment member extends in a direction orthogonal to the conveying direction to reduce an area of an opening cross section of the downstream conveyance route taken in the direction orthogonal to the conveying direction.

6 . The inkjet printer according to claim 2 , wherein the adjustment member extends in a direction orthogonal to the conveying direction to reduce an area of an opening cross section of the downstream conveyance route taken in the direction orthogonal to the conveying direction.

7 . The inkjet printer according to claim 3 , wherein the adjustment member extends in a direction orthogonal to the conveying direction to reduce an area of an opening cross section of the downstream conveyance route taken in the direction orthogonal to the conveying direction.

8 . The inkjet printer according to claim 1 , wherein the inkjet head is a fixed inkjet head.

9 . The inkjet printer according to claim 2 , wherein the inkjet head is a fixed inkjet head.

10 . The inkjet printer according to claim 3 , wherein the inkjet head is a fixed inkjet head.

Assignees

• Riso Kagaku Corp

Inventors

• Maesaka Toshihide

Classifications

• B41J11/0085

  Using suction for maintaining printing material flat (on rotatable drums B41J13/226) · CPC title

• B41J11/06

  Flat page-size platens {or smaller flat platens having a greater size than line-size platens (B41J11/0085 takes precedence)} · CPC title

• B41J2/01

  Ink jet · CPC title

• B41J2202/21

  Line printing · CPC title

• B41J2/1714 Primary

  Conditioning of the outside of ink supply systems, e.g. inkjet collector cleaning, ink mist removal (B41J2/08, B41J2/16517, B41J2/18 take precedence) · CPC title