JP6428699B2 - 印刷装置 - Google Patents
印刷装置 Download PDFInfo
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- JP6428699B2 JP6428699B2 JP2016073078A JP2016073078A JP6428699B2 JP 6428699 B2 JP6428699 B2 JP 6428699B2 JP 2016073078 A JP2016073078 A JP 2016073078A JP 2016073078 A JP2016073078 A JP 2016073078A JP 6428699 B2 JP6428699 B2 JP 6428699B2
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- cap
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/19—Ink jet characterised by ink handling for removing air bubbles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16505—Caps, spittoons or covers for cleaning or preventing drying out
- B41J2/16508—Caps, spittoons or covers for cleaning or preventing drying out connected with the printer frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
- B41J2/16523—Waste ink collection from caps or spittoons, e.g. by suction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
- B41J2/16526—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head by applying pressure only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/1652—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head
- B41J2/16532—Cleaning of print head nozzles by driving a fluid through the nozzles to the outside thereof, e.g. by applying pressure to the inside or vacuum at the outside of the print head by applying vacuum only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2/16552—Cleaning of print head nozzles using cleaning fluids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/1721—Collecting waste ink; Collectors therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/17—Ink jet characterised by ink handling
- B41J2/175—Ink supply systems ; Circuit parts therefor
- B41J2/17596—Ink pumps, ink valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/02—Framework
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J29/00—Details of, or accessories for, typewriters or selective printing mechanisms not otherwise provided for
- B41J29/38—Drives, motors, controls or automatic cut-off devices for the entire printing mechanism
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J2/00—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
- B41J2/005—Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed characterised by bringing liquid or particles selectively into contact with a printing material
- B41J2/01—Ink jet
- B41J2/135—Nozzles
- B41J2/165—Preventing or detecting of nozzle clogging, e.g. cleaning, capping or moistening for nozzles
- B41J2/16517—Cleaning of print head nozzles
- B41J2002/16573—Cleaning process logic, e.g. for determining type or order of cleaning processes
Description
プリンタ1は、印刷媒体であるTシャツ等の布帛(図示せず)に対して、液体のインク91(図10参照)をノズル112から吐出して印刷を行うインクジェットプリンタである。紙等が印刷媒体であってもよい。プリンタ1は、例えば、互いに異なる5種のインク91(ホワイト(W)、ブラック(K)、イエロー(Y)、シアン(C)、及びマゼンタ(M))を下方へ向けて吐出することで、印刷媒体にカラー画像を印刷する。以下の説明では、5種のインク91のうち、ホワイトのインク91を白インクといい、ブラック、シアン、イエロー、及びマゼンタの4色のインク91を総称する場合はカラーインクという。白インクは、カラーインクよりも沈降性の高い沈降性インクである。ノズル112内において、白インクの方がカラーインクよりも目詰まりによる不吐出になりやすい。
ワイパ31とワイパ支持部32とが第二接触位置にある状態で支持板149が右方向に移動することで、ワイパ31が吸収部材51の底面に摺接し、吸収部材51が、ワイパ31に付着したインク91及び洗浄液92を吸収し除去する。すなわち、ワイパ払拭動作が実行される。
図6に示すように、プリンタ1は、プリンタ1を制御するCPU40を備える。CPU40は、ROM41、RAM42、ヘッド駆動部43、主走査駆動部45、副走査駆動部46、第一駆動部194、第二駆動部195、第三駆動部196、電磁弁駆動部197、ポンプ駆動部198、表示制御部48、及び操作処理部50と、バス55を介して電気的に接続する。
図7に示すように、プリンタ1は、メンテナンス流路系700を備える。図7においては図面を見易くするために、メンテナンス流路系700及びヘッド部110を模式的に図示している。メンテナンス流路系700は、後述するメンテナンス処理(図8参照)の実行時にインク91、洗浄液92、及び大気が流れる機構である。メンテナンス流路系700は、洗浄液タンク705、供給流路711,712、供給開閉弁721,722、気体導通路733、接続路734、大気開閉弁743、廃液流路761,762,763、廃液開閉弁771,772、吸引ポンプ708、及び廃液タンク706を備えている。
図8に示すメンテナンス処理では、第一パージ、第二パージ、洗浄液92の注入処理、ワイピング処理及びワイパ払拭動作等が実行される。CPU40はROM41に記憶された制御プログラム読み出し、メンテナンス処理を実行してプリンタ1を制御する。
発明者は、以下の条件にて、注入処理にて洗浄液92が、ノズル面111に接液することを確認している。
(1)図2に示す第二領域662の左右方向の長さが22mm、前後方向の長さが39mm、ノズル面111から第二領域662の底面までの距離Lが1.1mmすなわち、第二領域662の前後左右方向の開口面積Sが、858(mm2)であり、第二領域662の体積Vは943.8(mm3)である。
(2)注入処理における第二回転数が300rpm
(3)洗浄液の表面張力Fが68.5mN/m
行うようにしてもよい。
31 ワイパ
40 CPU
67 キャップ
91 インク
92 洗浄液
110 ヘッド部
111 ノズル面
112 ノズル
708 吸引ポンプ
711,712 供給流路
721,722 供給開閉弁
733 気体導通路
743 大気開閉弁
761,762,763 廃液流路
771,772 廃液開閉弁
Claims (7)
- ノズルを有するノズル面を備えるヘッドと、
前記ノズル面に密着して前記ノズルを被覆可能なキャップと、
前記キャップに接続され、前記キャップ内に洗浄液を供給可能な供給流路と、
前記供給流路に設けられ、前記供給流路を開閉する供給開閉弁と
前記キャップに接続され、前記キャップ内に供給された前記洗浄液を廃液可能な廃液流路と、
前記廃液流路に接続された吸引ポンプと、
前記キャップが前記ノズルを被覆する被覆状態に制御する被覆制御手段と、
前記被覆状態、且つ、前記供給開閉弁が閉じた状態で、前記吸引ポンプを第一回転数で回転させ、前記ノズルからインクを排出する第一パージを行う第一パージ制御手段と、
前記第一パージの後に、前記被覆状態、且つ、前記供給開閉弁が開いた状態で、前記吸引ポンプを前記第一回転数よりも低い第二回転数で回転させることにより、前記洗浄液を前記ノズル面に接液させて、前記キャップ内に前記洗浄液を注入する注入処理を行う注入制御手段と
を備えたことを特徴とする印刷装置。 - 前記注入制御手段は、前記注入処理において、前記吸引ポンプを間欠駆動することを特徴とする請求項1に記載の印刷装置。
- 前記注入制御手段は、前記注入処理において、前記吸引ポンプを前記第一回転数の800/3000倍以下の前記第二回転数で回転させることを特徴とする請求項1又は2に記載の印刷装置。
- 前記キャップ、または前記供給流路に接続された気体導通路と、
前記気体導通路を開閉する大気開閉弁と、
前記第一パージと前記注入処理との間に、前記被覆状態において、前記大気開閉弁が開いた状態で、前記吸引ポンプを第三回転数で回転させて、前記ノズルから排出された前記インクを、前記廃液流路を介して廃液する第二パージを行う第二パージ制御手段と
を備え、
前記注入制御手段は、前記注入処理において、前記吸引ポンプを前記第三回転数より大きい前記第二回転数で回転させることを特徴とする請求項1〜3の何れかに記載の印刷装置。 - 前記ノズル面に摺接可能なワイパと、
前記キャップによる前記ノズルの被覆が解除された非被覆状態に制御する被覆解除制御手段と、
前記注入処理の後に、前記被覆状態において、前記吸引ポンプを第四回転数で回転させて、前記キャップ内の前記洗浄液を、前記廃液流路を介して排出する排出処理を行う排出制御手段と、
前記排出処理の後に、前記非被覆状態において、前記ワイパを前記ノズル面に対して相対移動させ、前記ワイパを前記ノズル面に摺接させるワイピング処理を行うワイピング制御手段と
を備えたことを特徴とする請求項1〜4の何れかに記載の印刷装置。 - 前記注入制御手段は、前記注入処理において、
前記第二回転数で前記吸引ポンプを回転させて、前記洗浄液を前記ノズル面に接液させて、前記キャップ内に前記洗浄液を注入する第一注入処理と、
前記第二回転数未満の第五回転数で前記吸引ポンプを回転させて、前記洗浄液を前記ノズル面に接液させないで、前記キャップ内に前記洗浄液を注入する第二注入処理と
を実行することを特徴とする請求項1〜5の何れかに記載の印刷装置。 - 前記キャップ、または前記供給流路に接続された気体導通路と、
前記気体導通路を開閉する大気開閉弁と
を備え、
前記注入制御手段は、前記注入処理において、
前記第二回転数で前記吸引ポンプを回転させて、前記洗浄液を前記ノズル面に接液させて、前記キャップ内に前記洗浄液を注入する第一注入処理と、
前記被覆状態において、前記大気開閉弁が開いた状態で、前記吸引ポンプを駆動する第三注入処理と
を実行することを特徴とする請求項1〜6の何れかに記載の印刷装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016073078A JP6428699B2 (ja) | 2016-03-31 | 2016-03-31 | 印刷装置 |
US15/465,024 US10195854B2 (en) | 2016-03-31 | 2017-03-21 | Print device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016073078A JP6428699B2 (ja) | 2016-03-31 | 2016-03-31 | 印刷装置 |
Publications (2)
Publication Number | Publication Date |
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JP2017177765A JP2017177765A (ja) | 2017-10-05 |
JP6428699B2 true JP6428699B2 (ja) | 2018-11-28 |
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JP2016073078A Active JP6428699B2 (ja) | 2016-03-31 | 2016-03-31 | 印刷装置 |
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JP (1) | JP6428699B2 (ja) |
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DE202019102598U1 (de) * | 2019-04-24 | 2019-11-21 | Spgprints B.V. | Tintenstrahldrucker mit Druckkopfreinigungsvorrichtung |
CN112339436A (zh) * | 2019-12-19 | 2021-02-09 | 广东聚华印刷显示技术有限公司 | 喷墨打印头清洗方法及装置 |
CN111267493B (zh) * | 2020-03-19 | 2021-06-25 | 天津长荣数码科技有限公司 | 一种基于Modbus的多喷头自动清洗控制系统 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2000062213A (ja) * | 1998-08-13 | 2000-02-29 | Citizen Watch Co Ltd | インクジェット記録装置の動作方法 |
US8132889B2 (en) * | 2008-11-14 | 2012-03-13 | Lexmark International, Inc. | Method for detecting purging ink flow through printhead heater chip nozzles by thermal analysis |
JP2012030545A (ja) * | 2010-08-02 | 2012-02-16 | Sharp Corp | 廃液流路洗浄機構、液体噴射装置および廃液流路洗浄方法 |
JP6142719B2 (ja) * | 2013-08-01 | 2017-06-07 | ブラザー工業株式会社 | 液体吐出装置 |
JP2016030382A (ja) * | 2014-07-29 | 2016-03-07 | ブラザー工業株式会社 | 印刷装置 |
JP6465060B2 (ja) * | 2016-03-31 | 2019-02-06 | ブラザー工業株式会社 | 印刷装置 |
-
2016
- 2016-03-31 JP JP2016073078A patent/JP6428699B2/ja active Active
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2017
- 2017-03-21 US US15/465,024 patent/US10195854B2/en active Active
Also Published As
Publication number | Publication date |
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US20170282565A1 (en) | 2017-10-05 |
JP2017177765A (ja) | 2017-10-05 |
US10195854B2 (en) | 2019-02-05 |
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