JP2005059552A5 - - Google Patents

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Publication number
JP2005059552A5
JP2005059552A5 JP2003296363A JP2003296363A JP2005059552A5 JP 2005059552 A5 JP2005059552 A5 JP 2005059552A5 JP 2003296363 A JP2003296363 A JP 2003296363A JP 2003296363 A JP2003296363 A JP 2003296363A JP 2005059552 A5 JP2005059552 A5 JP 2005059552A5
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JP
Japan
Prior art keywords
light
print medium
printing apparatus
determination
reflected
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Pending
Application number
JP2003296363A
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Japanese (ja)
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JP2005059552A (en
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Priority to JP2003296363A priority Critical patent/JP2005059552A/en
Priority claimed from JP2003296363A external-priority patent/JP2005059552A/en
Publication of JP2005059552A publication Critical patent/JP2005059552A/en
Publication of JP2005059552A5 publication Critical patent/JP2005059552A5/ja
Pending legal-status Critical Current

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Claims (6)

印刷媒体に対し前記印刷媒体表面より後方に焦点設定された照射光を出射する発光部、及び、前記印刷媒体表面において反射された反射光を受光して検出し、前記反射光の強度に応じた値の受光出力信号を変換生成する受光部を有する光学式センサと、
前記光学式センサによる検出結果に基づいて印刷装置の動作状態を判定する判定部と、
を備えていることを特徴とする印刷装置。 A light emitting unit that emits irradiation light that is focused behind the print medium surface with respect to the print medium, and the reflected light that is reflected on the print medium surface is received and detected, and according to the intensity of the reflected light An optical sensor having a light receiving section for converting and generating a light receiving output signal of a value;
A determination unit for determining an operation state of the printing apparatus based on a detection result by the optical sensor;
A printing apparatus comprising: 前記焦点設定は、前記印刷媒体の厚さと同等以上の距離だけ前記照射光の焦点が前記印刷媒体表面より後方に位置する設定であることを特徴とする請求項２に記載の印刷装置。   The printing apparatus according to claim 2, wherein the focus setting is a setting in which a focus of the irradiation light is located behind the surface of the print medium by a distance equal to or greater than a thickness of the print medium. 前記動作状態の判定は、インクを吐出する複数のインク吐出部のそれぞれからのインク吐出の有無の判定、前記印刷装置の主走査方向における双方向（Ｂｉ−Ｄ）印刷を行う場合の往路インク滴下位置と復路インク滴下位置との相対位置調整状態の判定、前記印刷装置の副走査方向における紙送り量の調整状態の判定、又は、前記印刷媒体端部の位置の判定のいずれかを含むことを特徴とする請求項１又は２に記載の印刷装置。   The determination of the operation state includes determination of whether or not ink is ejected from each of a plurality of ink ejection units that eject ink, and forward ink drop when performing bidirectional (Bi-D) printing in the main scanning direction of the printing apparatus. Including determination of the relative position adjustment state between the position and the return ink dropping position, determination of the adjustment state of the paper feed amount in the sub-scanning direction of the printing apparatus, or determination of the position of the edge of the printing medium. The printing apparatus according to claim 1, wherein the printing apparatus is a printer. 前記動作状態の判定は、前記受光出力信号の値と所定の閾値との比較により行われることを特徴とする請求項１乃至３のいずれかに記載の印刷装置。   The printing apparatus according to claim 1, wherein the determination of the operation state is performed by comparing a value of the light reception output signal with a predetermined threshold value. 印刷媒体に対し前記印刷媒体表面より後方に焦点設定された照射光を出射する発光部と、
前記印刷媒体表面において反射された反射光を受光して検出し、その検出結果に基づいて印刷装置の動作状態を判定するために前記反射光の強度に応じた値の受光出力信号を変換生成する受光部と、
を備えていることを特徴とする印刷動作状態判定用光学式センサ。 A light emitting unit that emits irradiation light focused on a rear side of the print medium surface with respect to the print medium; and
The reflected light reflected on the surface of the print medium is received and detected, and a light reception output signal having a value corresponding to the intensity of the reflected light is converted and generated in order to determine the operation state of the printing apparatus based on the detection result. A light receiver;
An optical sensor for determining a printing operation state. 印刷媒体に対し前記印刷媒体表面より後方に焦点設定された照射光を出射する過程と、
前記印刷媒体表面において反射された反射光を受光して検出し、前記反射光の強度に応じた値の受光出力信号を変換生成する過程と、
前記反射光の検出結果に基づいて印刷装置の動作状態を判定する過程と、
を備えていることを特徴とする印刷動作状態判定方法。 A process of emitting irradiation light focused on the print medium behind the print medium surface; and
Receiving and detecting reflected light reflected on the surface of the print medium, and converting and generating a received light output signal having a value corresponding to the intensity of the reflected light;
Determining the operating state of the printing apparatus based on the detection result of the reflected light;
A printing operation state determination method comprising:
JP2003296363A 2003-08-20 2003-08-20 Photosensor for judging print operation state, printer, and method for judging print operation state Pending JP2005059552A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2003296363A JP2005059552A (en) 2003-08-20 2003-08-20 Photosensor for judging print operation state, printer, and method for judging print operation state

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2003296363A JP2005059552A (en) 2003-08-20 2003-08-20 Photosensor for judging print operation state, printer, and method for judging print operation state

Publications (2)

Publication Number Publication Date
JP2005059552A JP2005059552A (en) 2005-03-10
JP2005059552A5 true JP2005059552A5 (en) 2006-10-05

Family

ID=34372294

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2003296363A Pending JP2005059552A (en) 2003-08-20 2003-08-20 Photosensor for judging print operation state, printer, and method for judging print operation state

Country Status (1)

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JP (1) JP2005059552A (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010094923A (en) * 2008-10-17 2010-04-30 Seiko Epson Corp Ejection state inspection device and ejection state inspection method
US8824001B2 (en) 2011-07-19 2014-09-02 Seiko Epson Corporation Printing method, printing apparatus, and medium
JP2017083313A (en) 2015-10-28 2017-05-18 セイコーエプソン株式会社 Measuring apparatus and printer
JP2017207427A (en) 2016-05-20 2017-11-24 セイコーエプソン株式会社 Measurement device and printer
JP2018054462A (en) 2016-09-29 2018-04-05 セイコーエプソン株式会社 Measurement device and measurement method
CN115335558A (en) 2020-03-26 2022-11-11 株式会社村田制作所 Composite fiber

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