JP2004037526A5 - - Google Patents

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Publication number
JP2004037526A5
JP2004037526A5 JP2002190543A JP2002190543A JP2004037526A5 JP 2004037526 A5 JP2004037526 A5 JP 2004037526A5 JP 2002190543 A JP2002190543 A JP 2002190543A JP 2002190543 A JP2002190543 A JP 2002190543A JP 2004037526 A5 JP2004037526 A5 JP 2004037526A5
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JP
Japan
Prior art keywords
storage medium
image forming
forming apparatus
data communication
communication
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Application number
JP2002190543A
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Japanese (ja)
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JP4251603B2 (en
JP2004037526A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2002190543A priority Critical patent/JP4251603B2/en
Priority claimed from JP2002190543A external-priority patent/JP4251603B2/en
Publication of JP2004037526A publication Critical patent/JP2004037526A/en
Publication of JP2004037526A5 publication Critical patent/JP2004037526A5/ja
Application granted granted Critical
Publication of JP4251603B2 publication Critical patent/JP4251603B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Claims (6)

記憶媒体を備えたカートリッジを着脱可能な画像形成装置であって、
前記記憶媒体に対して電源を供給しつつ、前記記憶媒体との間で有線方式でデータ通信を行う通信手段と、
前記通信手段を制御して前記データ通信を停止させる制御手段と、
を備え、
前記制御手段は、前記通信手段によってデータ通信を停止している状態で、前記記憶媒体に対して電源の供給を継続することを特徴とする画像形成装置。An image forming apparatus in which a cartridge having a storage medium is detachable,
A communication means for performing data communication with the storage medium in a wired manner while supplying power to the storage medium;
And a control means for stopping the data communication by controlling the communication means,
With
The image forming apparatus , wherein the control unit continues to supply power to the storage medium in a state where data communication is stopped by the communication unit. 前記制御手段は、前記データ通信を行うためのデータ信号を搬送するための搬送波信号のレベルを、前記記憶媒体を駆動するために必要な最低電圧レベル以上の一定の電圧値に設定することにより、前記通信手段によるデータ通信を一時停止し、前記搬送波信号のレベルを前記一定の電圧値ではない電圧値に発振させることによりデータ通信を再開することを特徴とする請求項１に記載の画像形成装置。 The control means sets the level of the carrier signal for carrying the data signal for performing the data communication to a constant voltage value equal to or higher than the minimum voltage level necessary for driving the storage medium , the suspend data communication by the communication unit, the image forming apparatus according to claim 1, characterized in that to resume data communication by oscillating the level of the carrier signal to a voltage value not the constant voltage value . 前記制御手段は、前記記憶媒体に記憶されたＩＤおよびパスワードの認証を、前記記憶媒体に対する電源供給を開始した時点で行うことを特徴とする請求項１に記載の画像形成装置。  The image forming apparatus according to claim 1, wherein the control unit performs authentication of an ID and a password stored in the storage medium when power supply to the storage medium is started. 前記カートリッジを着脱するために開閉される挿入口のドアと、
前記ドアの開放を検知する検知手段と、
を更に有し、
前記制御手段は、前記検知手段が前記ドアの開放を検知した場合に、前記通信手段による前記記憶媒体への電源供給を停止させるように制御することを特徴とする請求項１に記載の画像形成装置。 An opening door that is opened and closed to attach and detach the cartridge;
Detecting means for detecting opening of the door;
Further comprising
Wherein, when said detection means detects the opening of the door, the image formation according to claim 1, wherein the controller controls to stop the power supply to the storage medium by the communication unit apparatus. 前記制御手段は、前記制御手段の処理負荷に応じて、前記通信手段を制御し前記データ通信を一時的に停止させることを特徴とする請求項１に記載の画像形成装置。It said control means in response to said processing load of the control means, the image forming apparatus according to claim 1, wherein the temporarily stopping the data communication by controlling the communication unit. 記憶媒体を備えたカートリッジを着脱可能な画像形成装置の制御方法であって、
前記画像形成装置は、
前記記憶媒体に対して電源を供給しつつ、前記記憶媒体との間で有線方式でデータ通信を行う通信手段を備え、
前記通信手段と前記記憶媒体との間のデータ通信が停止している状態で、前記通信手段が前記記憶媒体に対して電源の供給を維持するように制御する制御工程を有することを特徴とする画像形成装置の制御方法。A method of controlling an image forming apparatus in which a cartridge having a storage medium is detachable,
The image forming apparatus includes:
A communication means for performing data communication with the storage medium in a wired manner while supplying power to the storage medium;
And a control step of controlling the communication unit to maintain supply of power to the storage medium in a state where data communication between the communication unit and the storage medium is stopped. A method for controlling an image forming apparatus.
JP2002190543A 2002-06-28 2002-06-28 Image forming apparatus Expired - Fee Related JP4251603B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002190543A JP4251603B2 (en) 2002-06-28 2002-06-28 Image forming apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002190543A JP4251603B2 (en) 2002-06-28 2002-06-28 Image forming apparatus

Publications (3)

Publication Number Publication Date
JP2004037526A JP2004037526A (en) 2004-02-05
JP2004037526A5 true JP2004037526A5 (en) 2005-10-20
JP4251603B2 JP4251603B2 (en) 2009-04-08

Family

ID=31700442

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002190543A Expired - Fee Related JP4251603B2 (en) 2002-06-28 2002-06-28 Image forming apparatus

Country Status (1)

Country Link
JP (1) JP4251603B2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4566836B2 (en) * 2005-06-22 2010-10-20 シャープ株式会社 Power supply unit and image forming apparatus having the same
JP7284629B2 (en) * 2019-05-09 2023-05-31 シャープ株式会社 Image forming apparatus, unit management program and unit management method in image forming apparatus

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