JP2004243726A5 - - Google Patents
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- JP2004243726A5 JP2004243726A5 JP2003038135A JP2003038135A JP2004243726A5 JP 2004243726 A5 JP2004243726 A5 JP 2004243726A5 JP 2003038135 A JP2003038135 A JP 2003038135A JP 2003038135 A JP2003038135 A JP 2003038135A JP 2004243726 A5 JP2004243726 A5 JP 2004243726A5
- Authority
- JP
- Japan
- Prior art keywords
- recording medium
- switching
- forming apparatus
- image forming
- detecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Claims (3)
当該画像形成装置に設定された記録媒体のサイズを測定して実測サイズを検出する検出手段と、
前記検出手段により検出された前記実測サイズに基づいて、前記記録媒体に印刷処理を施さない領域と、印刷処理を施す領域と、を設定するマスク処理を施すマスク処理手段と、
前記マスク処理手段により設定された前記印刷処理を施す領域にのみ印刷処理を施す印刷処理手段と、
前記記録媒体の状態を検出するセンサと、
前記センサの出力信号に基づいて前記記録媒体の有無を検出する検出回路と、
前記センサの出力信号に基づいて前記検出回路の駆動および停止を切り替える切替手段と、を備え、
前記検出手段は、所定の検出領域の範囲内において、前記記録媒体のサイズを測定することを特徴とする画像形成装置。In an image forming apparatus for forming an image on a recording medium by spraying a recording material from a nozzle provided in the head,
Detection means for measuring the size of the recording medium set in the image forming apparatus and detecting the actual size;
Mask processing means for performing mask processing for setting a region for not performing print processing on the recording medium and a region for performing print processing based on the actually measured size detected by the detection means;
Print processing means for performing print processing only on an area to be subjected to the print processing set by the mask processing means;
A sensor for detecting a state of the recording medium;
A detection circuit for detecting the presence or absence of the recording medium based on an output signal of the sensor;
Switching means for switching between driving and stopping of the detection circuit based on an output signal of the sensor ,
The image forming apparatus, wherein the detecting unit measures the size of the recording medium within a predetermined detection area.
前記切替手段は、前記比較器の出力信号に基づいて、前記検出回路の駆動および停止を切り替えることを特徴とする請求項1記載の画像形成装置。The switching means includes a counter that holds a signal indicating the state of the recording medium detected by the sensor, a register that holds predetermined position information serving as a reference when detecting the presence or absence of the recording medium, and the counter And a comparator for comparing values with the register,
The switching means based on the output signal of the comparator, the image forming apparatus according to claim 1, wherein the switching the driving and stopping of the detection circuit.
前記切替手段は、前記要求発生回路で発生した前記割り込み要求に基づいて前記検出回路の駆動および停止を切り替えることを特徴とする請求項1記載の画像形成装置。A request generation circuit for generating an interrupt request for switching between driving and stopping of the detection circuit;
It said switching means, an image forming apparatus according to claim 1, wherein the switching the driving and stopping of the detection circuit on the basis of the interrupt request generated by the request generation circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003038135A JP2004243726A (en) | 2003-02-17 | 2003-02-17 | Image formation apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003038135A JP2004243726A (en) | 2003-02-17 | 2003-02-17 | Image formation apparatus |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004243726A JP2004243726A (en) | 2004-09-02 |
JP2004243726A5 true JP2004243726A5 (en) | 2005-11-04 |
Family
ID=33022740
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003038135A Pending JP2004243726A (en) | 2003-02-17 | 2003-02-17 | Image formation apparatus |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2004243726A (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4570899B2 (en) * | 2004-04-23 | 2010-10-27 | 株式会社リコー | Image forming apparatus |
-
2003
- 2003-02-17 JP JP2003038135A patent/JP2004243726A/en active Pending
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