JP2005136747A - Image processing device - Google Patents

Image processing device Download PDF

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JP2005136747A
JP2005136747A JP2003371327A JP2003371327A JP2005136747A JP 2005136747 A JP2005136747 A JP 2005136747A JP 2003371327 A JP2003371327 A JP 2003371327A JP 2003371327 A JP2003371327 A JP 2003371327A JP 2005136747 A JP2005136747 A JP 2005136747A
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main cpu
cpu
display control
abnormality
display
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Junya Yoda
純也 与田
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Kyocera Document Solutions Inc
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Kyocera Mita Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To enable a CPU for display control to report failure in a main CPU when the failure occurs in the main CPU, in an image processing device which has the main CPU and the CPU for display control for controlling a display unit according to an instruction from the CPU. <P>SOLUTION: When failure occurs in communication with the main CPU and hence it is detected that the failure occurs in the main CPU, the CPU for display control acquires report contents in failure from a storage means for reporting. The reporting method is uses a display section for allowing the CPU for display control to control display, a speaker, a warning light, or the like. A user notices the occurrence of failure in the main CPU by the reporting, and the main CPU is reset and recovers from the failed state. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、プリンタ、複写機、スキャナ、複合機、ファクシミリ等の画像処理装置に関し、特に、２つのＣＰＵによって制御される画像処理装置に関する。   The present invention relates to an image processing apparatus such as a printer, a copier, a scanner, a multifunction peripheral, and a facsimile, and more particularly to an image processing apparatus controlled by two CPUs.

表示画面等の表示部の表示の制御と、画像処理装置全体の動作の制御を別々のＣＰＵで行う画像処理装置がある。表示部の表示を制御する表示制御用ＣＰＵと、画像処理全体の動作を制御するメインＣＰＵは互いに常時通信している。この通信によって、メインＣＰＵから表示制御用ＣＰＵへと表示部の表示内容が送信され、表示制御用ＣＰＵは、送信された表示内容を表示部に表示する。   There are image processing apparatuses in which display control of a display unit such as a display screen and control of operations of the entire image processing apparatus are performed by separate CPUs. The display control CPU that controls the display of the display unit and the main CPU that controls the operation of the entire image processing always communicate with each other. Through this communication, the display content of the display unit is transmitted from the main CPU to the display control CPU, and the display control CPU displays the transmitted display content on the display unit.

上記２つのＣＰＵのうち一方に異常が発生すると、一方のＣＰＵからのデータ送信が途切れ、他方のＣＰＵは、データ送信が無いことに基づいて一方のＣＰＵに異常が発生したことを検知する。   When an abnormality occurs in one of the two CPUs, data transmission from one CPU is interrupted, and the other CPU detects that an abnormality has occurred in one CPU based on the absence of data transmission.

例えば、メインＣＰＵは、表示制御用ＣＰＵに異常が発生したことを検知すると、表示制御用ＣＰＵを異常状態から回復させるために、表示制御用ＣＰＵをリセットする。このようにメインＣＰＵが、表示制御用ＣＰＵをリセットできるのは、表示制御用ＣＰＵは、メインＣＰＵの従属のＣＰＵであるからである。（特許文献１）
従って、従属側のＣＰＵである表示制御用ＣＰＵによってメインＣＰＵの異常が検知されても、表示制御用ＣＰＵによってメインＣＰＵはリセットされず、メインＣＰＵの異常状態の回復処置が行なわれない。 For example, when the main CPU detects that an abnormality has occurred in the display control CPU, the main CPU resets the display control CPU in order to recover the display control CPU from the abnormal state. The main CPU can reset the display control CPU in this way because the display control CPU is a subordinate CPU of the main CPU. (Patent Document 1)
Therefore, even if an abnormality of the main CPU is detected by the display control CPU which is the subordinate CPU, the main CPU is not reset by the display control CPU, and the recovery process of the abnormal state of the main CPU is not performed.

メインＣＰＵの異常によってメインＣＰＵと表示制御用ＣＰＵとの通信が行われなくなり、表示内容が送信されなくなると、表示制御用ＣＰＵは、表示部に何も表示しなくなったり、メインＣＰＵから最後に送信された表示内容をずっと表示部に表示し続ける。   When communication between the main CPU and the display control CPU is not performed due to an abnormality in the main CPU and display contents are not transmitted, the display control CPU stops displaying anything on the display unit, or finally transmits from the main CPU. The displayed contents are continuously displayed on the display unit.

表示部に何も表示されないことや、表示部の内容が変化しないこと等の表示部の異常に気付くと、ユーザは、メインＣＰＵに異常が発生していることを認識できないため、全く関係の無いところを操作してしまい、関係の無い他の箇所の故障を誘発させてしまったり、最終的にはサービスマンを呼び出す等の対応を行なうこととなる。
特開平８−２２０９４６号公報 When the user notices an abnormality in the display unit such as nothing is displayed on the display unit or the content of the display unit does not change, the user cannot recognize that an abnormality has occurred in the main CPU, so there is no relationship at all. However, it may cause a failure in another unrelated part or eventually call a service person.
JP-A-8-220946

ところで、メインＣＰＵの異常時において、メインＣＰＵのリセット動作により正常に回復できることが多々ある。しかし、ユーザは表示部の異常に気付いても表示部の異常の原因が分からないため、メインＣＰＵのリセット動作を行なえば異常が回復するものであっても、迅速にメインＣＰＵを異常状態から回復させることができない。   By the way, when the main CPU is abnormal, it can often be recovered normally by the reset operation of the main CPU. However, even if the user notices an abnormality in the display unit, the cause of the abnormality in the display unit is unknown, so even if the abnormality is recovered by performing a reset operation of the main CPU, the main CPU is quickly recovered from the abnormal state. I can't let you.

また、ユーザが表示部の表示に異常があることに気付くまで、メインＣＰＵの異常状態は回復されることがないため、メインＣＰＵの回復の遅れにより画像処理装置の処理に遅れが生じる。   Further, since the abnormal state of the main CPU is not recovered until the user notices that the display on the display is abnormal, the processing of the image processing apparatus is delayed due to the recovery of the main CPU.

そこで、本発明は、メインＣＰＵの異常を検知して、それをユーザに報知する画像処理装置を提供することを目的とする。   Accordingly, an object of the present invention is to provide an image processing apparatus that detects an abnormality of a main CPU and notifies the user of the abnormality.

本発明の画像処理装置においては、表示制御用ＣＰＵがアクセスすることができる記憶手段にメインＣＰＵの異常時の報知内容が記憶されている。表示制御用ＣＰＵは、メインＣＰＵからのデータ送信が無いこと等のメインＣＰＵとの通信に異常があることを検知すると、上記記憶手段から異常時の報知内容を取得して、報知する。   In the image processing apparatus of the present invention, the contents of notification when the main CPU is abnormal are stored in the storage means that can be accessed by the display control CPU. When the display control CPU detects that there is an abnormality in communication with the main CPU, such as the absence of data transmission from the main CPU, the display control CPU obtains the notification contents at the time of abnormality from the storage means and notifies them.

上記異常時の報知内容は、メインＣＰＵの異常状態を回復させるためにユーザが行う処置の内容とするようにしてもよい。   The notification content at the time of abnormality may be the content of the treatment performed by the user in order to recover the abnormal state of the main CPU.

表示部の異常に気付いたユーザが、表示部の異常の原因が分からない場合であっても、異常時の報知内容を報知することで、ユーザは、表示部の異常の原因がメインＣＰＵの異常であることが分かる。また、異常時の報知内容を、メインＣＰＵの異常状態を回復させるためにユーザが行う処置の内容とすることで、画像処理装置の操作に不慣れなユーザであっても、メインＣＰＵの異常状態の回復措置を的確に行うことができる。   Even when a user who notices an abnormality in the display unit does not know the cause of the abnormality in the display unit, by notifying the notification content at the time of abnormality, the user can cause the abnormality in the display unit to be an abnormality in the main CPU. It turns out that it is. In addition, even if the user is unfamiliar with the operation of the image processing apparatus, the notification content at the time of abnormality is the content of the treatment performed by the user to recover the abnormal state of the main CPU. Recovery measures can be taken accurately.

本発明の画像形成装置１００は、液晶画面等の表示部１０２の表示を制御する表示制御用ＣＰＵ１０１と、印刷、原稿読み取り等の画像処理等を制御するメインＣＰＵ１０１を備える。   An image forming apparatus 100 according to the present invention includes a display control CPU 101 that controls display on a display unit 102 such as a liquid crystal screen, and a main CPU 101 that controls image processing such as printing and document reading.

表示制御用ＣＰＵ１０３は、メインＣＰＵ１０１に従属するＣＰＵである。表示制御用ＣＰＵ１０３とメインＣＰＵ１０１は互いに常時通信している。この通信により、表示部１０２に表示される表示内容がメインＣＰＵ１０１から表示制御用ＣＰＵ１０３に転送されている。表示制御用ＣＰＵ１０３は、転送された表示内容を表示部１０２に表示する。   The display control CPU 103 is a CPU subordinate to the main CPU 101. The display control CPU 103 and the main CPU 101 always communicate with each other. Through this communication, the display content displayed on the display unit 102 is transferred from the main CPU 101 to the display control CPU 103. The display control CPU 103 displays the transferred display content on the display unit 102.

メインＣＰＵ１０１から転送される表示内容は、例えば、印刷や、原稿読み取り等のメインＣＰＵが処理している内容や、メインＣＰＵの処理が正常に終了したかや、ユーザが操作キーを用いて入力した印刷部数やユーザが操作キーを用いて選択した印刷用紙等である。操作キーは、物理的なキーであっても良いし、表示部１０２に表示されるキーであても良い。   The display contents transferred from the main CPU 101 are, for example, contents processed by the main CPU such as printing and document reading, whether the processing of the main CPU has been completed normally, and input by the user using the operation keys. The number of copies to be printed and the printing paper selected by the user using the operation keys. The operation key may be a physical key or a key displayed on the display unit 102.

暴走等の何らかの原因で、メインＣＰＵ１０１に異常が発生すると、表示内容が表示制御用ＣＰＵ１０３に転送されなくなったり、表示制御用ＣＰＵ１０３の問合せに対しての応答が表示制御用ＣＰＵ１０３に転送されなくなる。   If an abnormality occurs in the main CPU 101 for some reason such as runaway, the display content is not transferred to the display control CPU 103, and a response to an inquiry from the display control CPU 103 is not transferred to the display control CPU 103.

表示制御用ＣＰＵ１０３は、所定時間（例えば１秒間）メインＣＰＵ１０１からのデータ送信がない場合、メインＣＰＵ１０１に異常が発生したと判断する。異常が発生したと判断すると、表示制御用ＣＰＵ１０３は、異常時の報知内容を記憶した記憶手段１０４にアクセスして、異常時の報知内容を取得する。異常時の報知内容は、例えば、メインＣＰＵ１０１に異常が発生したことを示す内容や、画像読取り装置の電源をオフ、オン等によりメインＣＰＵ１０１をリセットすることをユーザに指示する内容等である。   The display control CPU 103 determines that an abnormality has occurred in the main CPU 101 when there is no data transmission from the main CPU 101 for a predetermined time (for example, 1 second). If it is determined that an abnormality has occurred, the display control CPU 103 accesses the storage means 104 that stores the notification content at the time of abnormality, and acquires the notification content at the time of abnormality. The notification contents at the time of abnormality are, for example, contents indicating that an abnormality has occurred in the main CPU 101, contents for instructing the user to reset the main CPU 101 by turning off and on the power of the image reading apparatus, and the like.

表示制御用ＣＰＵ１０３は、取得した異常時の報知内容を報知する。異常時の報知内容の報知方法は、表示部１０２を用いて行ってもよいし、画像形成装置１００に備えられた警告灯１０５や、スピーカ１０６を用いて、音声や、警告音等を用いて行ってもよい。   The display control CPU 103 notifies the acquired notification contents at the time of abnormality. The notification method of the notification content at the time of abnormality may be performed using the display unit 102, or using a warning light 105 or a speaker 106 provided in the image forming apparatus 100, using a sound, a warning sound, or the like. You may go.

ユーザは、異常時の報知内容により、メインＣＰＵ１０１に異常が発生したことに気付くと、メインＣＰＵ１０１のリセットを行う。上記異常時の報知内容を、メインＣＰＵ１０１のリセット等のメインＣＰＵ１０１を異常状態から回復させるためにユーザが行う処置にしておくと、画像処理装置の操作に慣れていないユーザであっても適確にメインＣＰＵ１０１の異常状態を回復させることができる。   When the user notices that an abnormality has occurred in the main CPU 101 based on the notification content at the time of abnormality, the user resets the main CPU 101. If the notification content at the time of abnormality is taken as a measure performed by the user to recover the main CPU 101 from the abnormal state, such as resetting the main CPU 101, even a user who is not familiar with the operation of the image processing apparatus can properly obtain the information. The abnormal state of the main CPU 101 can be recovered.

また、警告灯１０５や、音声や、警告音で異常時の報知内容が報知されることで、画像処理装置１００のそばにいないユーザにメインＣＰＵ１０１に異常が発生したことを知らせることができる。よって、メインＣＰＵ１０１の異常状態の回復が迅速に行われる。   In addition, by notifying the warning lamp 105, the content of the notification at the time of abnormality by sound or warning sound, it is possible to notify the user who is not near the image processing apparatus 100 that the abnormality has occurred in the main CPU 101. Accordingly, the abnormal state of the main CPU 101 is quickly recovered.

上記ではメインＣＰＵ１０１を印刷、原稿読み取り等の画像処理等を制御するＣＰＵとして説明したが、メインＣＰＵ１０１は、表示制御用ＣＰＵ１０３を従属させたＣＰＵであれば、メインＣＰＵ１０１の機能は限定されない。   In the above description, the main CPU 101 is described as a CPU that controls image processing such as printing and document reading. However, as long as the main CPU 101 is a CPU to which the display control CPU 103 is subordinate, the function of the main CPU 101 is not limited.

本発明の実施の形態における画像処理装置の全体構成を示すブロック図である。1 is a block diagram illustrating an overall configuration of an image processing apparatus according to an embodiment of the present invention.

符号の説明Explanation of symbols

１００ 画像処理装置
１０１ メインＣＰＵ
１０２ 表示部
１０３ 表示制御用ＣＰＵ
１０４ 記憶手段 100 Image processing apparatus 101 Main CPU
102 display unit 103 display control CPU
104 Storage means

Claims (2)

表示画面の表示を制御する表示制御用ＣＰＵと、上記表示制御用ＣＰＵとの通信で上記表示画面の表示内容を上記表示制御用ＣＰＵに指示するメインＣＰＵを備える画像処理装置において、
上記メインＣＰＵの異常時の報知内容を記憶する記憶手段を備え、
上記表示制御用ＣＰＵは、メインＣＰＵとの通信に異常があることを検知すると、上記異常時の報知内容を報知することを特徴とする画像処理装置。 In an image processing apparatus comprising: a display control CPU that controls display of a display screen; and a main CPU that instructs the display control CPU to display content of the display screen through communication with the display control CPU.
Comprising storage means for storing notification contents when the main CPU is abnormal;
When the display control CPU detects that there is an abnormality in communication with the main CPU, the image processing apparatus notifies the notification contents at the time of the abnormality. 上記異常時の報知内容が、メインＣＰＵの故障状態を回復させるためにユーザが行う処置の内容である請求項１に記載の画像処理装置。   The image processing apparatus according to claim 1, wherein the notification content at the time of abnormality is a content of a measure performed by a user in order to recover a failure state of the main CPU.
JP2003371327A 2003-10-30 2003-10-30 Image processing device Pending JP2005136747A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007336290A (en) * 2006-06-15 2007-12-27 Sharp Corp Image processor
US9832340B2 (en) 2011-12-20 2017-11-28 S-Printing Solution Co., Ltd. Image forming apparatus and method of performing error notification and error recovery functions in image forming apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007336290A (en) * 2006-06-15 2007-12-27 Sharp Corp Image processor
JP4716931B2 (en) * 2006-06-15 2011-07-06 シャープ株式会社 Image processing device
US9832340B2 (en) 2011-12-20 2017-11-28 S-Printing Solution Co., Ltd. Image forming apparatus and method of performing error notification and error recovery functions in image forming apparatus

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