JPS6345557U - - Google Patents
Info
- Publication number
- JPS6345557U JPS6345557U JP13948386U JP13948386U JPS6345557U JP S6345557 U JPS6345557 U JP S6345557U JP 13948386 U JP13948386 U JP 13948386U JP 13948386 U JP13948386 U JP 13948386U JP S6345557 U JPS6345557 U JP S6345557U
- Authority
- JP
- Japan
- Prior art keywords
- reference signal
- time interval
- photoreceptor
- measured
- electrostatic latent
- 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.)
- Pending
Links
- 230000005856 abnormality Effects 0.000 claims description 9
- 230000003287 optical effect Effects 0.000 claims description 7
- 108091008695 photoreceptors Proteins 0.000 claims 4
- 238000010586 diagram Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Description
第１図は本考案の一実施例を示す全体ブロツク
図、第２図〜第４図はＣＲＧモータ、ＰＲモータ
、ＴＲモータの回転に同期してパルスを発生する
パルス発生器の詳細構成図、第５図はサーボコン
トローラの詳細構成図、第６図は１複写サイクル
の動作を説明するためのタイムチヤート、第７図
は移動光学系の原点位置合わせ制御を説明するた
めのタイムチヤート、第８図は感光ドラムの起動
位置合わせ制御を説明するためのタイムチヤート
、第９図は転写ドラムの起動位置合わせ制御を説
明するためのタイムチヤート、第１０図は移動光
学系と感光ドラムの起動同期制御を説明するため
のタイムチヤート、第１１図は転写ドラムの転写
開始点制御を説明するためのタイムチヤート、第
１２図〜第１３図はＰＲモータ系およびＴＲモー
タ系のパルス発生器の異常現象とその原因を示す
異常現象系統図、第１４図はＰＲモータとＴＲモ
ータの異常検出動作を説明するためのタイムチヤ
ート、第１５図は感光ドラムの回転に同期した信
号の異常検出動作を説明するためのタイムチヤー
ト、第１６図は多色複写サイクルの全区間の動作
を説明するためのタイムチヤート、第１７図は第
１５図の異常検出動作を行うためのフローチヤー
ト、第１８図は転写ドラムの回転に同期した信号
の異常検出動作を説明するためのタイムチヤート
、第１９図は第１８図の異常検出動作を行うため
のフローチヤート、第２０図はモータの同期補償
器の構成を示す回路図、第２１図はモータが機械
的にロツクした時の異常検出動作を説明するため
のタイムチヤート、第２２図は光学走査機構とス
トツパの位置関係を示す断面図、第２３図は複写
モードと診断モードの状態遷移を示す状態遷移図
、第２４図は従来の複写機の構成を示す概略構成
図、第２５図は従来の複写機における可動部位置
制御機構の構成を示す斜視図である。
１……感光ドラム、３……帯電器、４……露光
部、５Ｃ，５Ｙ，５Ｍ……現像機、６……転写ド
ラム、８……原稿載置台、９……原稿走査光学系
、１１〜１４……ミラー、１５……色分解フイル
タ装置、１７……グリツパ、１８……ＣＲＧモー
タ、１９……プーリ、２０……ベルト、２１……
ＰＲモータ、２２……ＴＲモータ、２３……サー
ボコントローラ、２４……マスタコントローラ、
２５……シリアルデータライン、２６〜２８……
パルス発生器、２９……ＲＥＧセンサ、３０〜３
１……同期サーボ回路、ＰＯ……転写点、ＩＭＯ
……潜像形成開始点、６０……ＴＲセンサ、２３
０……同期補償器、２３１……アツプダウンカウ
ンタ、３３４……マイクロプロセツサ、３３８…
…シリアルデータ入出力ポート。
FIG. 1 is an overall block diagram showing an embodiment of the present invention; FIGS. 2 to 4 are detailed configuration diagrams of a pulse generator that generates pulses in synchronization with the rotation of the CRG motor, PR motor, and TR motor; FIG. 5 is a detailed configuration diagram of the servo controller, FIG. 6 is a time chart for explaining the operation of one copy cycle, FIG. 7 is a time chart for explaining origin positioning control of the moving optical system, and FIG. 8 is a time chart for explaining the origin position alignment control of the moving optical system. The figure is a time chart for explaining the start-up positioning control of the photosensitive drum, FIG. 9 is a time chart for explaining the start-up positioning control of the transfer drum, and FIG. 10 is the start-up synchronization control of the moving optical system and the photosensitive drum. FIG. 11 is a time chart for explaining the transfer start point control of the transfer drum, and FIGS. 12 to 13 show abnormal phenomena in the pulse generators of the PR motor system and TR motor system. An abnormal phenomenon system diagram showing the cause, Figure 14 is a time chart to explain the abnormality detection operation of the PR motor and TR motor, and Figure 15 is a time chart to explain the abnormality detection operation of the signal synchronized with the rotation of the photosensitive drum. 16 is a time chart for explaining the operation of the entire section of the multicolor copying cycle, FIG. 17 is a flow chart for performing the abnormality detection operation of FIG. 15, and FIG. A time chart for explaining the abnormality detection operation of a signal synchronized with rotation, FIG. 19 is a flowchart for performing the abnormality detection operation of FIG. 18, and FIG. 20 is a circuit diagram showing the configuration of a motor synchronous compensator. , Fig. 21 is a time chart to explain the abnormality detection operation when the motor is mechanically locked, Fig. 22 is a sectional view showing the positional relationship between the optical scanning mechanism and the stopper, and Fig. 23 is a copy mode and diagnosis. FIG. 24 is a state transition diagram showing the state transition of modes, FIG. 24 is a schematic configuration diagram showing the configuration of a conventional copying machine, and FIG. 25 is a perspective view showing the configuration of a movable part position control mechanism in the conventional copying machine. DESCRIPTION OF SYMBOLS 1... Photosensitive drum, 3... Charger, 4... Exposure section, 5C, 5Y, 5M... Developing machine, 6... Transfer drum, 8... Document mounting table, 9... Original scanning optical system, 11 ~14...Mirror, 15...Color separation filter device, 17...Gripper, 18...CRG motor, 19...Pulley, 20...Belt, 21...
PR motor, 22...TR motor, 23...servo controller, 24...master controller,
25...Serial data line, 26-28...
Pulse generator, 29...REG sensor, 30-3
1... Synchronous servo circuit, PO... Transfer point, IMO
...Latent image formation starting point, 60...TR sensor, 23
0...Synchronization compensator, 231...Up-down counter, 334...Microprocessor, 338...
...Serial data input/output port.
Claims (1)
記原稿画像に対応した静電潜像が形成される感光
体と、 前記静電潜像を現像する現像手段と、 前記感光体の回動に同期して該感光体の回動基
準位置を示す基準信号を発生する基準信号発生手
段と、 この基準信号発生手段から発生される基準信号
にもとづき前記感光体の回動位置を制御する手段
と を具えた複写機の制御装置において、 前記基準信号発生手段から発生される基準信号
の時間間隔を計測する計測手段と、 この計測された時間間隔が規定範囲内であるか
否かを判別し、規定範囲外であれば複写動作を停
止させる制御手段と を備えたことを特徴とする複写機の制御装置。 (2) 制御手段は、 計測手段で計測された時間間隔が所定の最大値
を越えるか否かを検出する手段と、 計測手段で計測された時間間隔が所定の最小値
未満であるか否かを検出する手段と、 計測手段で計測された時間間隔が所定の最大値
越えるかまたは所定の最小値未満である場合は異
常として複写動作を停止させる手段と、 上記異常が生じたことを表示する手段と を具えた実用新案登録請求の範囲第１項記載の複
写機の制御装置。[Claims for Utility Model Registration] (1) An optical scanning mechanism that scans the image surface of the original, and an electrostatic latent image that rotates in synchronization with the scanning of the optical scanning mechanism to form an electrostatic latent image corresponding to the original image. a photoreceptor; a developing means for developing the electrostatic latent image; a reference signal generating means for generating a reference signal indicating a rotational reference position of the photoreceptor in synchronization with rotation of the photoreceptor; and this reference signal. and means for controlling the rotational position of the photoreceptor based on the reference signal generated from the reference signal generating means, the control device for measuring a time interval of the reference signal generated from the reference signal generating means. 1. A control device for a copying machine, comprising: means for determining whether or not the measured time interval is within a specified range; and controlling means for stopping a copying operation if the measured time interval is outside the specified range. (2) The control means includes means for detecting whether the time interval measured by the measuring means exceeds a predetermined maximum value, and whether the time interval measured by the measuring means is less than a predetermined minimum value. means for detecting the occurrence of the abnormality, means for stopping the copying operation as an abnormality if the time interval measured by the measuring means exceeds a predetermined maximum value or is less than a predetermined minimum value, and displays that the above-mentioned abnormality has occurred. A control device for a copying machine according to claim 1, comprising: means.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13948386U JPS6345557U (en) | 1986-09-11 | 1986-09-11 | |
| US07/094,132 US4975741A (en) | 1986-09-11 | 1987-09-04 | Control unit for a copying machine including automatic shutdown |
| DE87113122T DE3788478T2 (en) | 1986-09-11 | 1987-09-08 | Control device for copying machines. |
| EP87113122A EP0259839B1 (en) | 1986-09-11 | 1987-09-08 | Control unit of copying machines |
| US07/581,949 US5130748A (en) | 1986-09-11 | 1990-09-13 | Control unit of copying machines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13948386U JPS6345557U (en) | 1986-09-11 | 1986-09-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6345557U true JPS6345557U (en) | 1988-03-28 |
Family
ID=31045430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13948386U Pending JPS6345557U (en) | 1986-09-11 | 1986-09-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6345557U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9401228B2 (en) | 2009-11-02 | 2016-07-26 | Terrapower, Llc | Standing wave nuclear fission reactor and methods |
-
1986
- 1986-09-11 JP JP13948386U patent/JPS6345557U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9401228B2 (en) | 2009-11-02 | 2016-07-26 | Terrapower, Llc | Standing wave nuclear fission reactor and methods |
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