JP3761449B2

JP3761449B2 - Data recording apparatus using photosensitive recording medium having external reporting function of conveyance operation abnormality

Info

Publication number: JP3761449B2
Application number: JP2001343826A
Authority: JP
Inventors: 雅利坂井
Original assignee: NEC Fielding Ltd
Current assignee: NEC Fielding Ltd
Priority date: 2001-11-08
Filing date: 2001-11-08
Publication date: 2006-03-29
Anticipated expiration: 2021-11-08
Also published as: JP2003149888A

Description

【０００１】
【発明の属する技術分野】
本発明は搬送動作異常の外部通報機能を有する感光記録媒体を用いたデータ記録装置に関し、特に搬送量ばらつきの原因を記録品質が低下する前段階に外部に通報すると共に、多少の搬送量のばらつきがあった場合でも記録媒体の先端検出を可能とし、記録媒体の先端検出不可アラームの発生頻度を軽減する搬送動作異常の外部通報機能を有する感光記録媒体を用いたデータ記録装置に関する。
【０００２】
【従来の技術】
従来、この種の感光記録媒体を用いたデータ記録装置は、図５に示すように受信イメージデータを記録する際、まず制御回路２からモータドライバ回路２０に対して吸入モータ２１の回転指示信号を転送する。この信号を受けて、モータドライバ回路２０は吸入モータ２１に回転パルス信号を転送する。これにより、吸入モータ２１が回転し、吸入モータ２１に連結している吸入ローラ２２も回転する。
【０００３】
吸入ローラ２２が回転することにより、感光フィルム１９がマガジン２４からドラム１７面上に搬送される。このとき、吸入ローラ２２の回転による感光フィルム１９の搬送量は吸入ローラ２２の回転時間という要素で決められている。ある一定時間の間、吸入ローラ２２を回転させ、感光フィルム１９を搬送する。つまり、吸入ローラ２２の摩耗やドラム１７面上へのゴミや異物の付着により感光フィルム１９の搬送量ばらつきがあった場合、その先端が本来の停止位置とは別の位置で停止することになる。装置の搬送動作に異常がない場合には、感光フィルム１９の先端は図５に示す先端検出センサ２７の位置から規定距離だけ排出ローラ２６側に進んだ位置で停止する。
【０００４】
次に、受信イメージデータの記録動作に入り、まず、吸入ローラ２２を吸入方向とは逆方向に回転させて感光フィルム１９の先端を一定時間の回転量だけ後退させる。この時、感光フィルム１９の先端は図５に示す先端検出センサ２７の位置よりも一定量だけ始端検出スイッチ２３側に後退した位置で停止する。その後、吸入ローラ２２を低速で一定時間分だけ回転させ、感光フィルム１９を前進させる。従来技術では本一定時間内の感光フィルム１９の前進過程の中で、先端検出センサ２７により、その先端を検出する。
【０００５】
この場合、先に述べたように吸入ローラ２２の摩耗やドラム１７面上のゴミや異物により感光フィルム１９の最初の搬送量がばらついた場合、一度、感光フィルム１９を後退させてから前進させる過程で、その先端を先端検出センサ２７で検出できない場合が発生する。感光フィルム１９の先端が検出できない場合は、先端検出不可の旨の外部通報を行い、それ以降のデータ記録動作は停止する。
【０００６】
以上のように、従来技術では感光フィルム１９の搬送を吸入ローラ２１を一定時間だけ回転させることで行っている為に搬送量のばらつきにより、感光フィルム１９の先端検出補正ができない。
【０００７】
また、プリンタにおける搬送異常検知方式として、実開平０７−０２４８５２号公報には帳票用紙における搬送用紙の紙詰まりを含むすべての種類の搬送状態異常を検知する方式が記載されている。実開平０７−０２４８５２号公報に記載されている用紙搬送異常検知方式は、搬送路上にフォトセンサの発光部と受光部とを設け、帳票用紙上のスプロケットホール内に発光する。用紙の搬送過程において、一定間隔でスプロケットホールを認識すれば搬送動作に異常はないと判断し、一定間隔でスプロケットホールが認識されない場合は、紙詰まり等の異常が発生したと判断するものである。
【０００８】
【発明が解決しようとする課題】
しかし、上記実開平０７−０２４８５２号公報に記載の技術では次の問題点がある。
【０００９】
第１の問題点は、使用する用紙が帳票用紙に限定されることである。その理由は、搬送異常を検知する手段として用紙上のスプロケットホールを認識しなければならない為である。
【００１０】
第２の問題点は、搬送異常の原因特定ができないことである。その理由は、一定間隔でスプロケットホールの存在を認識するだけでは、搬送動作が正常か異常かは判断できるが、異常時の原因特定ができない為である。用紙搬送の速度変化、搬送路上のゴミや異物の付着及び搬送ローラの摩耗等といった種々の予測原因の中から１つの根本原因を特定することはできない。
【００１１】
本発明の目的は、搬送量ばらつきの原因を記録品質が低下する前段階に外部に通報すると共に、多少の搬送量のばらつきがあった場合でも記録媒体の先端検出を可能とし、記録媒体の先端検出不可アラームの発生頻度を軽減する搬送動作異常の外部通報機能を有する感光記録媒体を用いたデータ記録装置を提供することにある。
【００１３】
【課題を解決するための手段】
本発明の搬送動作異常の外部通報機能を有する感光記録媒体を用いたデータ記録装置は、受信イメージデータ記録動作時の記録媒体搬送過程において、第１及び第２の先端検出スイッチによる前記記録媒体の先端検出状況から、実際に要した吸入モータの回転パルス量を算出し、この算出値データから吸入ローラの摩耗及び前記記録媒体を吸入セットするドラム面上のゴミ、異物付着状況の外部通報を行う外部通報機能を備える。
【００１４】
さらに、本発明の搬送動作異常の外部通報機能を有する感光記録媒体を用いたデータ記録装置は、記録する為のデータを外部から受信するデータ受信部と、装置全体の動作制御を行う制御回路と、装置の動作状況を外部に通知するモニタと、前記制御回路から伝送された受信データを記録媒体に記録するデータ記録部を備えるデータ記録装置であって、前記データ記録部は、受信データを記録する為の記録媒体を装置にセットする為のマガジンと、前記受信データを記録する際に前記記録媒体を吸入セットするドラムと、前記記録媒体を前記ドラム内に搬送吸入する為の吸入ローラと、この吸入ローラを回転させる為の吸入モータと、前記記録媒体が前記ドラムに搬送吸入される際、最初に前記記録媒体の先端を検出する始端検出スイッチと、吸入動作後、受信データの記録開始位置を特定する為に前記記録媒体の先端を検出する先端検出センサと、前記記録媒体に前記受信データをレーザ光にて記録する光学系と、前記受信データ記録後に前記記録媒体を外部に搬送排出する際、前記記録媒体を搬送する排出ローラと、この排出ローラを回転させる為の排出モータと、前記記録媒体の排出後に前記記録媒体をカットするカッタと、前記吸入モータ及び前記排出モータに回転パルス信号を供給するモータドライバ回路と、受信データ記録時に前記光学系を移動させる為の副走査モータと、前記光学系の移動を支持するシャフトと、前記記録媒体の前記ドラムへの搬送吸入過程にて、前記記録媒体の先端を検出する第１及び第２の先端検出スイッチと、前記第１及び第２の先端検出スイッチからの前記記録媒体の先端検出信号を元に、前記始端検出スイッチの位置から前記第１の先端検出スイッチの位置まで前記記録媒体が搬送させるのに要した前記吸入モータの回転パルス量と、前記第１の先端検出スイッチの位置から前記第２の先端検出スイッチの位置まで前記記録媒体を搬送させるのに要した前記吸入モータの回転パルス量とを算出する積算回路と、この積算回路にて算出したパルス量データを蓄積する搬送量データ蓄積部と、前記積算回路にて算出したパルス量データが装置のパルス量の規格範囲にあるかどうかを判断する判断回路とを備える。
【００１５】
さらに、本発明の搬送動作異常の外部通報機能を有する感光記録媒体を用いたデータ記録装置は、記録する為のデータを外部から受信するデータ受信部と、装置全体の動作制御を行う制御回路と、装置の動作状況を外部に通知するモニタと、前記制御回路から伝送された受信データを記録媒体に記録するデータ記録部を備えるデータ記録装置であって、前記データ記録部は、受信データを記録する為の記録媒体を装置にセットする為のマガジンと、前記受信データを記録する際に前記記録媒体を吸入セットするドラムと、前記記録媒体を前記ドラム内に搬送吸入する為の吸入ローラと、この吸入ローラを回転させる為の吸入モータと、前記記録媒体が前記ドラムに搬送吸入される際、最初に前記記録媒体の先端を検出する始端検出スイッチと、吸入動作後、受信データの記録開始位置を特定する為に前記記録媒体の先端を検出する先端検出センサと、前記記録媒体に前記受信データをレーザ光にて記録する光学系と、前記受信データ記録後に前記記録媒体を外部に搬送排出する際、前記記録媒体を搬送する排出ローラと、この排出ローラを回転させる為の排出モータと、前記記録媒体の排出後に前記記録媒体をカットするカッタと、前記吸入モータ及び前記排出モータに回転パルス信号を供給するモータドライバ回路と、受信データ記録時に前記光学系を移動させる為の副走査モータと、前記光学系の移動を支持するシャフトとを備え、さらに、前記ドラム内に設置した溝と、その溝内を移動するローラと、そのローラに連結されているコマとにより、前記記録媒体が前記吸入モータ及び前記吸入ローラの回転により前記マガジンから前記ドラム内に搬送される際、前記記録媒体の先端が前記コマに当たり、前記コマが前記記録媒体の先端に押されて一緒に移動し、前記コマが移動する際、前記コマに連結されている前記ローラの回転量から前記記録媒体の先端の位置を検出し、前記始端検出スイッチの位置から前記記録媒体の位置までの前記吸入モータの回転パルス量を算出する積算回路と、この積算回路にて算出したパルス量データを蓄積する搬送量データ蓄積部と、前記積算回路にて算出したパルス量データが装置のパルス量の規格範囲にあるかどうかを判断する判断回路とを備える。
【００１６】
さらに、本発明の搬送動作異常の外部通報機能を有する感光記録媒体を用いたデータ記録装置は、前記光学系は、光線を発射する光源と、この光源から発射された前記光線を集光する集光レンズと、この集光レンズを通過した前記光線を９０゜偏向する第１の偏向ミラーと、この第１の偏向ミラーからの前記光線を更に９０゜偏向する第２の偏向ミラーと、走査方向に前記光線を照射させる為の回転プリズムと、この回転プリズムを回転させる為の主走査モータと、前記光源の発射制御や前記主走査モータの回転制御を行う光学系制御回路とを備える。
【００１７】
【発明の実施の形態】
次に、本発明の実施の形態について図面を参照して詳細に説明する。
【００１８】
本発明は、半導体レーザ等を光源として記録媒体である感光フィルムを感光させてデータ記録を行う装置において、感光フィルムの吸入動作の際の吸入ローラの摩耗状態と搬送路状態の外部通報を行うものである。
【００１９】
本装置は図２に示すように、記録媒体である感光フィルム１９がドラム１７内にセットされ、光学系８が図の右端（待機位置）から左方向に移動する間に、光学系８から照射されるレーザ光により受信データが感光フィルム１９上に記録される。
【００２０】
図３は図２を左から見た図であり、本装置は上位装置からドットデータを受信する際、感光フィルム１９を記録位置まで搬送させる為に、規定量のパルス量だけ吸入モータ２１を吸入方向に回転させる。また、吸入モータ２１に連結している吸入ローラ２２もこれに合わせて回転する。
【００２１】
感光フィルム１９がドラム１７面上を搬送される際、始端検出スイッチ２３にて感光フィルム１９の先端を検出してから第１の先端検出スイッチ２９が感光フィルム１９の先端を検出するまでに要した時間データを制御回路２で算出し、この時間データを積算回路５にてパルス量に変換算出する。このパルス量は搬送量データ蓄積部６に蓄積される。その後、第２の先端検出スイッチ３０にて感光フィルム１９の先端を検出した時点で、感光フィルム１９が第１の先端検出スイッチ２９の位置から第２の先端検出スイッチ３０の位置まで搬送されるのに要した吸入モータ２１のパルス量を積算回路５にて算出し搬送量データ蓄積部６に蓄積する。
【００２２】
感光フィルム１９の先端を第２の先端検出スイッチ３０にて検出した時点で、吸入モータ２１の回転速度を遅くし、先端検出センサ２７にて感光フィルム１９の先端を検出するまで感光フィルム１９を搬送させる。
【００２３】
先端検出センサ２７にて感光フィルム１９の先端を検出した時点で、吸入モータ２１の回転を停止し、先に説明した動作原理により受信データを感光フィルム１９に記録する。
【００２４】
受信データの記録完了後、吸入モータ２１及び排出モータ２５を回転させることにより感光フィルム１９を排出し、規定量のパルス数分だけ搬送した時点でカッタ２８により感光フィルム１９をカットし外部に排出する。
【００２５】
本発明は、上記の受信イメージデータの記録動作時の記録媒体の搬送過程において、第１、第２の先端検出スイッチ２９、３０による感光フィルム１９の先端検出状況から、実際に要した吸入モータ２１の回転パルス量を算出し、この算出値データから吸入ローラ２２の摩耗及びドラム１７面上のゴミ、異物付着状況の外部通報を行うものである。
【００２６】
本発明の一実施の形態をブロックで示す図１を参照すると、この実施の形態のレーザ光を光源として受信データを記録媒体である感光フィルムに記録する感光記録媒体を用いたデータ記録装置は、記録する為のデータを外部から受信するデータ受信部１と、装置全体の動作制御を行う制御回路２と、装置の動作状況を外部に通知するモニタ４と、制御回路２から伝送された受信データを記録媒体に記録するデータ記録部３と、本発明である、記録媒体を装置内部の規定位置まで搬送させるのに要した吸入モータのパルス量を算出する積算回路５と、積算回路５で算出したパルス量データを蓄積する搬送量データ蓄積部６と、この搬送量データ蓄積部６のパルスデータと規定位置まで感光フィルムを搬送させる為のパルス量の装置規格を比較しデータ記録部３における搬送動作に異常がないかを判断する判断回路７とから構成される。
【００２７】
データ記録部３は図３に示すように、受信データを記録する為の記録媒体である感光フィルム１９と、感光フィルム１９を装置にセットする為のマガジン２４と、受信データを記録する際に感光フィルム１９を吸入セットするドラム１７と、感光フィルム１９をドラム１７内に搬送吸入する為の吸入ローラ２２と、吸入ローラ２２を回転させる為の吸入モータ２１と、感光フィルム１９がドラム１７に搬送吸入される際、最初に感光フィルム１９の先端を検出する始端検出スイッチ２３と、吸入動作後、受信データの記録開始位置を特定する為に感光フィルム１９の先端を検出する先端検出センサ２７と、感光フィルム１９に受信データをレーザ光にて記録する光学系８と、受信データ記録後に感光フィルム１９を外部に搬送排出する際、感光フィルム１９を搬送する排出ローラ２６と、排出ローラ２６を回転させる為の排出モータ２５と、感光フィルム１９の排出後に感光フィルム１９をカットするカッタ２８と、吸入モータ２１及び排出モータ２５に回転パルス信号を供給するモータドライバ回路２０と、装置全体の動作制御を行う制御回路２と、装置の動作状況を外部に通知するモニタ４と、図２に示すように受信データ記録時に光学系８を移動させる為の副走査モータ１６と、光学系８の移動を支持するシャフト１８と、本発明である、感光フィルム１９のドラム１７への搬送吸入過程にて、感光フィルム１９の先端を検出する第１及び第２の先端検出スイッチ２９、３０と、第１及び第２の先端検出スイッチ２９、３０からの感光フィルム１９の先端検出信号を元に、始端検出スイッチ２３の位置から第１の先端検出スイッチ２９の位置まで感光フィルム１９が搬送させるのに要した吸入モータ２１の回転パルス量と第１の先端検出スイッチ２９の位置から第２の先端検出スイッチ３０の位置まで感光フィルム１９を搬送させるのに要した吸入モータ２１の回転パルス量とを算出する積算回路５と、積算回路５にて算出したパルス量データを蓄積する搬送量データ蓄積部６と、積算回路５にて算出したパルス量データが装置のパルス量の規格範囲にあるかどうかを判断する判断回路７とから構成される。
【００２８】
図２は図３を右側面から見た図であり、図２に示すように光学系８はレーザ光を発射するＬＤ光源９と、ＬＤ光源９から発射されたレーザ光を集光する集光レンズ１０と、集光レンズ１０を通過したレーザ光を９０゜偏向する第１の偏向ミラー１１と、第１の偏向ミラー１１からのレーザ光を更に９０゜偏向する第２の偏向ミラー１２と、図３に示す走査方向にレーザ光を照射させる為の回転プリズム１３と、回転プリズム１３を回転させる為の主走査モータ１４と、ＬＤ光源９のレーザ発射制御や主走査モータ１４の回転制御を行う光学系制御回路１５とから構成される。
【００２９】
次に、図１、２、３を参照して、この実施の形態の動作を説明する。
【００３０】
まず、外部から送信されてきたドットパターンのイメージデータをデータ受信部１にて受信する。データ受信部１にて受信したイメージデータはアナログデータからデジタルデータに変換され、制御回路２に転送される。
【００３１】
制御回路２へのイメージデータの蓄積後、感光フィルム１９をマガジン２４からドラム１７内に搬送吸入させる為、制御回路２からモータドライバ回路２０に吸入モータ２１の回転指示信号が転送される。この信号を受けてモータドライバ回路２０から吸入モータ２１にパルス信号が転送され、吸入モータ２１が回転する。吸入モータ２１の回転により、吸入モータ２１に連結されている吸入ローラ２２が回転し、感光フィルム１９がマガジン２４からドラム１７内部に搬送される。
【００３２】
感光フィルム１９は吸入ローラ２２を通過し、始端検出スイッチ２３でその先端が検出される。始端検出スイッチ２３は感光フィルム１９の先端を検出した時点で、その検出信号を制御回路２に転送する。
【００３３】
感光フィルム１９は吸入モータ２１の回転により更にドラム１７上を搬送され、次に第１の先端検出スイッチ２９にてその先端が検出される。第１の先端検出スイッチ２９は感光フィルム１９の先端を検出した時点で、その検出信号を制御回路２に転送する。
【００３４】
制御回路２は、始端検出スイッチ２３が感光フィルム１９の先端を検出してから第１の先端検出スイッチ２９が感光フィルム１９の先端を検出するまでに要した時間を算出する。制御回路２にて算出された時間データは積算回路５に転送される。
【００３５】
積算回路５は、この時間データから、吸入モータ２１が始端検出スイッチ２３の位置から第１の先端検出スイッチ２９の位置まで感光フィルム１９を搬送させるのに要した回転パルス量を算出する。積算回路５にて算出されたパルス量データは判断回路７に転送されると共に搬送量データ蓄積部６に蓄積される。
【００３６】
判断回路７は、始端検出スイッチ２３が感光フィルム１９の先端を検出してから第１の先端検出スイッチ２９が感光フィルム１９の先端を検出するまでに要する吸入モータ２１の回転パルス量の規格範囲に先に積算回路５にて算出されたパルス量データが入っているかを判断する。
【００３７】
尚、本判断対象となるパルス量の規格値は制御回路２内に保持されており、判断回路７におけるパルス量の判断検出は積算回路５にて算出された値が制御回路２内にある規格値よりも大きい場合に行う。
【００３８】
実際に要したパルス量が規格範囲に入っている場合は、始端検出スイッチ２３の位置から第１の先端検出スイッチ２９の位置までの感光フィルム１９の搬送動作に異常がないことを表す。
【００３９】
しかし、実際に要したパルス量が規格範囲から外れている場合は、始端検出スイッチ２３の位置から第１の先端検出スイッチ２９の位置まで感光フィルム１９を搬送させるのに吸入ローラ２２を規格よりも余計に回転させなければならなかったことが判る。つまりは、吸入ローラ２２による感光フィルム１９の搬送動作に異常があったことを表す。
【００４０】
始端検出スイッチ２３の位置から第１の先端検出スイッチ２９の位置までの感光フィルム１９の搬送動作において、吸入モータ２１の必要パルス量が規格値よりも多い原因として吸入ローラ２２の摩耗がある。
【００４１】
始端検出スイッチ２３の位置から第１の先端検出スイッチ２９の位置まではドラム１７の形状が地面に対して垂直方向に湾曲していることから、本スイッチ間のドラム１７表面に付着したゴミや異物はドラム１７の最下点に移動して貯まる為、始端検出スイッチ２３から第１の先端検出スイッチ２９間にゴミや異物のドラム１７表面への付着により感光フィルム１９の搬送不良が発生することはない。
【００４２】
上述のことから、始端検出スイッチ２３の位置から第１の先端検出スイッチ２９の位置の間での感光フィルム１９の搬送動作にて搬送不良が発生する要因は吸入ローラ２２の摩耗によりローラ表面で感光フィルム１９が滑る為であると言える。判断回路７にてパルス量の実際の算出値が規格範囲内に入っていないと判断した場合には、吸入ローラ２２が摩耗している旨を判断回路７から制御回路２に通知する。制御回路２は、判断回路７からの異常通知信号を受けて、モニタ４に吸入ローラ２２の摩耗異常を外部に通報する信号を送信する。モニタ４は、制御回路２からの信号を受けて、外部に吸入ローラ２２の摩耗異常の通報を行う。
【００４３】
以上、記述した内容において、図３に示す始端検出スイッチ２３の位置から第１の先端検出スイッチ２９までの感光フィルム１９の搬送動作において要した吸入ローラ２２の搬送パルス量を積算回路５にて算出し、判断回路７にてこの算出値が規格範囲にないと判断した場合に吸入ローラ２２の摩耗異常を外部に通報する機能が本発明の第１の実施の形態である。
【００４４】
第１の先端検出スイッチ２９の位置までの感光フィルム１９の搬送に異常がない場合は、下記以降のデータ記録動作を行う。
【００４５】
感光フィルム１９は、第１の先端検出スイッチ２９の位置から更にドラム１７面上を搬送され、第２の先端検出スイッチ３０にてその先端が検出される。第２の先端検出スイッチ３０は感光フィルム１９の先端を検出した時点で、その検出信号を制御回路２に転送する。
【００４６】
制御回路２は、第１の始端検出スイッチ２９が感光フィルム１９の先端を検出してから第２の先端検出スイッチ３０が感光フィルム１９の先端を検出するまでに要した時間を算出する。制御回路２にて算出された時間データは積算回路５に転送される。積算回路５は、この時間データから、吸入モータ２１が第１の先端検出スイッチ２９の位置から第２の先端検出スイッチ３０の位置まで感光フィルム１９を搬送させるのに要した回転パルス量を算出する。
【００４７】
積算回路５にて算出されたパルス量データは判断回路７に転送されると共に搬送量データ蓄積部６に蓄積される。
【００４８】
判断回路７は、第１の先端検出スイッチ２９が感光フィルム１９の先端を検出してから第２の先端検出スイッチ３０が感光フィルム１９の先端を検出するまでに要する吸入モータ２１の回転パルス量の規格範囲に先に積算回路５にて算出されたパルス量データが入っているかを判断する。尚、判断回路７におけるパルス量の判断検出は、積算回路５にて算出された値が制御回路２内にある規格値よりも大きい場合に行う。
【００４９】
判断回路７にて判断した結果、パルス量の実際の算出値が規格範囲に入っている場合は第１の先端検出スイッチ２９の位置から第２の先端検出スイッチ３０の位置までの感光フィルム１９の搬送動作に異常が無いことを表す。
【００５０】
しかし、実際に要したパルス量が規格範囲から外れている場合は、第１の先端検出スイッチ２９の位置から第２の先端検出スイッチ３０の位置まで感光フィルム１９を搬送させるのに吸入ローラ２２を規格よりも余計に回転させなければならなかったことが判る。つまりは、第１の先端検出スイッチ２９の位置から第２の先端検出スイッチ３０の位置までの感光フィルム１９の搬送過程において異常が発生したことを表す。
【００５１】
第１の先端検出スイッチ２９の位置から第２の先端検出スイッチ３０の位置までの感光フィルム１９の搬送動作において、吸入モータ２１が要した回転パルス量が規格値よりも多くなる原因として、ドラム１７表面へのゴミや異物の付着がある。
【００５２】
ドラム１７は図３に示す通り半円状に湾曲しており、第１の先端検出スイッチ２９の位置と第２の先端検出スイッチ３０の位置の中心の位置が垂直方向で最下点になる。このドラム１７の形状により、空気中に浮遊しているゴミや異物が最下点周辺に蓄積される。このゴミや異物が、感光フィルム１９がドラム１７の表面を搬送される際に障害物となり、搬送不良を引き起こす原因となる。
【００５３】
判断回路７にて先に比較したパルス量の規格値と実際の算出値に違いがある場合には、ドラム１７表面上のゴミや異物付着がある旨を判断回路７から制御回路２に通知する。
【００５４】
制御回路２は、判断回路７からの異常通知信号を受けて、モニタ４にドラム表面上にゴミや異物が付着していることを外部に通報する信号を送信する。モニタ４は、制御回路２からの信号を受けて、外部にドラム１７表面上にゴミや異物が付着している旨の外部通報を行う。
【００５５】
以上、記述した内容において、図３に示す第１の先端検出スイッチ２９の位置から第２の先端検出スイッチ３０まで感光フィルム１９を搬送させるのに吸入ローラ２１が要した回転パルス量を積算回路５にて算出し、判断回路７にてこの算出値が規格範囲にないと判断した場合に、ドラム１７表面上のゴミや異物付着を外部に通報する機能が本発明の第２の実施の形態である。
【００５６】
第２の先端検出スイッチ３０の位置までの感光フィルム１９の搬送動作に異常がない場合は、下記のデータ記録動作を行う。
【００５７】
感光フィルム１９は、第２の先端検出スイッチ３０の位置から更にドラム１７面上を搬送されるが、その際、吸入モータ２１はそれまでの回転速度よりも低速にて回転する。感光フィルム１９は吸入モータ２１の低速回転により搬送され、その先端が先端検出センサ２７にて検出される。
【００５８】
先端検出センサ２７が感光フィルム１９の先端を検出した際、その検出信号を制御回路２が受け取り、吸入ローラ２１の回転を停止させる為の信号をモータドライバ回路２０に送信する。
【００５９】
モータドライバ回路２０は、制御回路２からの信号により吸入モータ２１への回転パルス供給を停止する。これにより、吸入モータ２１の回転が停止する。
【００６０】
次に、制御回路２から図２に示す光学系８における光学系制御回路１５に主走査モータ１４の回転指示信号が送信される。制御回路２からの回転指示信号を受けて、光学系制御回路１５は主走査モータ１４に回転パルス信号を送信し、これにより主走査モータ１４が一定速度で回転する。主走査モータ１４が回転することにより、この主走査モータ１４に連結されている回転プリズム１３も主走査モータ１４と同速度で回転する。
【００６１】
次に光学系制御回路１５からの信号によりＬＤ光源９からレーザ光を発射する。ＬＤ光源９から発射されたレーザ光は拡散光であり、図２に示す集光レンズ１０により集光される。集光レンズ１０により集光されたレーザ光は、第１の偏向ミラー１１により９０°偏向される。第１の偏向ミラー１１により９０°偏向されたレーザ光は、第２の偏向ミラー１２により更に９０°偏向される。第２の偏向ミラー１２により９０°偏向されたレーザ光は回転している回転プリズム１３に照射される。回転している回転プリズム１３に照射されたレーザ光は図３に示す走査方向に走査される。
【００６２】
次に制御回路２からのパルス信号により、副走査モータ１６が回転し、光学系８がシャフト１８に支持された状態で、図２に示す副走査方向に移動する。光学系８が副走査方向に移動することにより、レーザ光が感光フィルム１９上に照射され、このレーザ光により受信したイメージデータを感光フィルム１９上に記録する。
【００６３】
感光フィルム１９へのデータ記録完了後、制御回路２からモータドライバ回路２０に図３に示す排出モータ２５と吸入モータ２１の回転指示信号が転送される。モータドライバ回路２０は制御回路２からの信号により、排出モータ２５と吸入モータ２１に回転パルス信号を転送する。このパルス信号を受けて排出モータ２５と吸入モータ２１が一定速度で回転する。排出モータ２５及び吸入モータ２１が回転することによりそれぞれに連結されている排出ローラ２６と吸入ローラ２２が回転する。排出ローラ２６と吸入ローラ２２が回転することにより、感光フィルム１９は図３に示すカッタ２８の位置に搬送される。
【００６４】
次にカッタ２８にて感光フィルム１９は切断され、受信イメージデータを記録した部分の感光フィルム１９だけが外部に排出される。
【００６５】
これにより感光フィルム１９への受信イメージデータの記録動作が完了する。
【００６６】
以上説明したように、本発明は、ドラム面上に記録媒体の先端を検出するスイッチを２つ設置し、これらのスイッチからの先端検出信号により吸入モータが要した回転パルス量を算出し、その算出値が装置規格範囲にあるかどうかを判断し、その結果から吸入ローラの摩耗とドラム面上のゴミや異物付着による搬送動作不良を早期に発見し、外部に異常通報するものである。
【００６７】
次に、本発明の他の実施の形態について、図４を用いて説明する。
【００６８】
図４に示すように、図３の第１、第２の先端検出スイッチ２９、３０の代わりにドラム１７内に溝３３を設け、その溝内を移動するローラ３２を設置する。又、ローラ３２にはコマ３１が連結されている。
【００６９】
感光フィルム１９が吸入モータ２１及び吸入ローラ２２の回転により、マガジン２４からドラム１７内に搬送される際、感光フィルム１９の先端がコマ３１に当たり、コマ３１が感光フィルム１９の先端に押されて一緒に移動する。
【００７０】
コマ３１が移動する際、コマ３１に連結されているローラ３２が回転し、溝３３上をコマ３１と同じ移動量だけ回転移動する。
【００７１】
ローラ３２の回転量から感光フィルム１９の先端の位置を検出し、吸入モータ２１の回転パルス量と本算出値から感光フィルム１９の搬送量にばらつき等がないことを検出する。
【００７２】
感光フィルム１９の先端が搬送された位置を検出した後、ドラム１７面上のゴミや異物の付着状況及び吸入ローラ２２の摩耗状態を判断する工程は前記実施の形態の動作で説明した内容と同様である。
【００７３】
【発明の効果】
以上説明したように、本発明の第１の効果は、搬送ローラの摩耗又はドラム面上へのゴミや異物付着により、受信データの記録品質が低下した場合の記録媒体の使用量節減である。
【００７４】
ゴム製ローラを用いて記録媒体を搬送させる装置において、ゴムの摩耗による搬送不良の発生は避けられないものである。ゴムが摩耗してくると記録媒体の搬送量ばらつきや斜行搬送等が発生し、記録品質が低下する。従来技術では、ゴムの摩耗を装置内部で検知していなかった為、人為的に記録品質の低下を確認しなければ、吸入ローラの摩耗や寿命が確認できなかった。人為的に確認できるレベルの記録品質低下が発生した場合は、その記録媒体は業務上では使用できない為、廃棄するしかない。
【００７５】
本発明は、装置内部で吸入モータの回転パルス量を常に監視し、記録品質が低下する前段階で外部にローラ表面の摩耗異常を通報する。これにより、記録品質が低下する前に吸入ローラの予防交換が可能となり、記録品質が低下し、業務上使用できない記録媒体の使用量節減を図ることができる。
【００７６】
また、ドラム面上にゴミや異物が付着することでも記録媒体の搬送量はばらつき、記録品質は低下する。従来技術では、記録媒体が規定時間内に記録開始位置まで搬送されない場合にタイムアウトと判断し、紙詰まりという形式で外部に通報を行っているのみである。
【００７７】
本発明は、紙詰まりや搬送量ばらつきがドラム面上へのゴミや異物付着によるものである旨の外部通報を行い、記録品質が低下する前段階でゴミや異物の除去を可能とする。これにより、記録品質が低下し、業務上使用できない記録媒体の使用量節減を図ることができる。
【００７８】
第２の効果は、記録媒体の先端検出可能領域の拡大である。
【００７９】
従来の技術では、一度、感材を先端検出センサの位置よりも奥側まで一気に搬送させる。その後、規定時間分だけ記録媒体の先端を後退させ、更にその位置から記録媒体を規定量だけ低速で前進させる間にセンサでその先端検出を行う方式を用いている。この場合、吸入ローラの摩耗やドラム面上へのゴミや異物の付着により多少の搬送量ばらつきがある場合、検出可能領域で記録媒体の先端が検出できなければ、その時点でアラームを発生させ、それ以降のデータの記録動作は停止する。
【００８０】
本発明は、マガジンから記録媒体をドラム面上の記録開始位置まで搬送させる際、搬送の途中過程において記録媒体の先端検出をスイッチにて行うことにより、吸入ローラの摩耗やドラム面上のゴミ、異物の付着状況を把握することで搬送量を制御し、最終的に記録開始位置まで記録媒体の先端を搬送させ、センサによりその先端検出を行う。
【００８１】
上述のように、先端検出を搬送過程で複数回検出することにより、従来技術では記録媒体の先端を検出できなかった領域でも確実にその先端検出を可能し、アラームによるデータ記録動作停止状態の発生を軽減することができる。
【図面の簡単な説明】
【図１】本発明の一実施の形態の構成を示すブロック図である。
【図２】この実施の形態の構造を示す側面図である。
【図３】この実施の形態の構造を示す正面図である。
【図４】本発明の他の実施の形態の構造を示す正面図である。
【図５】従来例の構造を示す正面図である。
【符号の説明】
１データ受信部
２制御回路
３データ記録部
４モニタ
５積算回路
６搬送量データ蓄積部
７判断回路
８光学系
９ＬＤ光源
１０集光レンズ
１１第１の偏向ミラー
１２第２の偏向ミラー
１３回転プリズム
１４主走査モータ
１５光学系制御回路
１６副走査モータ
１７ドラム
１８シャフト
１９感光フィルム
２０モータドライバ回路
２１吸入モータ
２２吸入ローラ
２３始端検出スイッチ
２４マガジン
２５排出モータ
２６排出ローラ
２７先端検出センサ
２８カッタ
２９第１の先端検出スイッチ
３０第２の先端検出スイッチ
３１コマ
３２ローラ
３３溝[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a data recording apparatus using a photosensitive recording medium having an external reporting function for abnormal conveyance operation, and in particular notifies the outside of the cause of variation in conveyance amount before the recording quality deteriorates and causes some variation in conveyance amount. The present invention relates to a data recording apparatus using a photosensitive recording medium that has a function of externally reporting a conveyance operation abnormality that enables detection of the leading edge of a recording medium even when there is a recording medium and reduces the frequency of occurrence of a recording medium leading edge non-detectable alarm.
[0002]
[Prior art]
Conventionally, a data recording apparatus using this type of photosensitive recording medium, when recording received image data as shown in FIG. 5, first sends a rotation instruction signal for the suction motor 21 from the control circuit 2 to the motor driver circuit 20. Forward. In response to this signal, the motor driver circuit 20 transfers a rotation pulse signal to the suction motor 21. As a result, the suction motor 21 rotates, and the suction roller 22 connected to the suction motor 21 also rotates.
[0003]
As the suction roller 22 rotates, the photosensitive film 19 is conveyed from the magazine 24 onto the surface of the drum 17. At this time, the conveyance amount of the photosensitive film 19 due to the rotation of the suction roller 22 is determined by the factor of the rotation time of the suction roller 22. The suction roller 22 is rotated for a certain period of time, and the photosensitive film 19 is conveyed. That is, when there is a variation in the transport amount of the photosensitive film 19 due to wear of the suction roller 22 or adhesion of dust or foreign matter on the surface of the drum 17, the tip of the photosensitive film 19 stops at a position different from the original stop position. . If there is no abnormality in the conveying operation of the apparatus, the leading edge of the photosensitive film 19 stops at a position advanced from the position of the leading edge detection sensor 27 shown in FIG.
[0004]
Next, the received image data recording operation is started. First, the suction roller 22 is rotated in the direction opposite to the suction direction, and the leading edge of the photosensitive film 19 is moved backward by a rotation amount for a predetermined time. At this time, the front end of the photosensitive film 19 stops at a position retracted toward the start end detection switch 23 by a certain amount from the position of the front end detection sensor 27 shown in FIG. Thereafter, the suction roller 22 is rotated at a low speed for a predetermined time, and the photosensitive film 19 is advanced. In the prior art, the front end is detected by the front end detection sensor 27 during the advancement process of the photosensitive film 19 within the predetermined time.
[0005]
In this case, as described above, when the initial conveyance amount of the photosensitive film 19 varies due to wear of the suction roller 22 or dust or foreign matter on the surface of the drum 17, the process of moving the photosensitive film 19 backward and then moving forward. Thus, there may be a case where the tip cannot be detected by the tip detection sensor 27. When the leading edge of the photosensitive film 19 cannot be detected, an external notification that the leading edge cannot be detected is issued, and the subsequent data recording operation is stopped.
[0006]
As described above, in the prior art, the conveyance of the photosensitive film 19 is performed by rotating the suction roller 21 for a certain period of time. Therefore, the leading end detection of the photosensitive film 19 cannot be corrected due to the variation in the conveyance amount.
[0007]
In addition, as a method for detecting a conveyance abnormality in a printer, Japanese Utility Model Laid-Open No. 07-024852 describes a method for detecting all types of conveyance state abnormalities including a paper jam in a paper sheet. In the paper conveyance abnormality detection system described in Japanese Utility Model Publication No. 07-024852, a light emitting portion and a light receiving portion of a photosensor are provided on a conveyance path, and light is emitted into a sprocket hole on a form paper. If the sprocket holes are recognized at regular intervals during the paper conveyance process, it is determined that there is no abnormality in the conveyance operation. If the sprocket holes are not recognized at regular intervals, it is determined that an abnormality such as a paper jam has occurred. .
[0008]
[Problems to be solved by the invention]
However, the technique described in Japanese Utility Model Laid-Open No. 07-024852 has the following problems.
[0009]
The first problem is that paper used is limited to form paper. The reason is that the sprocket hole on the paper must be recognized as a means for detecting the conveyance abnormality.
[0010]
The second problem is that the cause of the conveyance abnormality cannot be specified. The reason is that it is possible to determine whether the transfer operation is normal or abnormal just by recognizing the presence of sprocket holes at regular intervals, but it is not possible to identify the cause of the abnormality. One root cause cannot be identified from various predictive causes such as a change in the speed of paper conveyance, adhesion of dust and foreign matter on the conveyance path, and wear of the conveyance roller.
[0011]
The object of the present invention is to notify the outside of the cause of the variation in the conveyance amount before the recording quality is reduced, and to detect the leading edge of the recording medium even when there is some variation in the conveyance amount. It is an object of the present invention to provide a data recording apparatus using a photosensitive recording medium having an external reporting function of a conveyance operation abnormality that reduces the frequency of occurrence of undetectable alarms.
[0013]
[Means for Solving the Problems]
The data recording apparatus using the photosensitive recording medium having the external reporting function of the conveyance operation abnormality according to the present invention is a recording medium conveyance process in the received image data recording operation. Based on the tip detection status, the rotation pulse amount of the suction motor that is actually required is calculated, and from this calculated value data, external notification of the wear of the suction roller and the dust and foreign matter adhesion status on the drum surface where the recording medium is sucked and set is performed. External reporting function Is provided.
[0014]
Furthermore, the data recording apparatus using the photosensitive recording medium having an external reporting function of the conveyance operation abnormality of the present invention, A data receiving unit for receiving data for recording from the outside, a control circuit for controlling the operation of the entire apparatus, a monitor for notifying the operation status of the apparatus to the outside, and a recording medium for receiving data transmitted from the control circuit A data recording device comprising a data recording unit for recording on The data recording unit includes a magazine for setting a recording medium for recording received data in the apparatus, a drum for sucking and setting the recording medium when recording the received data, and the recording medium in the drum. A suction roller for transporting and sucking the ink, a suction motor for rotating the suction roller, and a start-end detection switch for detecting the leading edge of the recording medium first when the recording medium is transported and sucked into the drum; After the inhalation operation, a leading edge detection sensor for detecting the leading edge of the recording medium to specify a recording start position of the reception data, an optical system for recording the reception data on the recording medium with a laser beam, and the reception data recording When the recording medium is transported and discharged later, a discharge roller for transporting the recording medium, a discharge motor for rotating the discharge roller, and after the discharge of the recording medium A cutter for cutting the recording medium, a motor driver circuit for supplying a rotation pulse signal to the suction motor and the discharge motor, a sub-scanning motor for moving the optical system during recording of received data, and movement of the optical system A shaft for supporting the recording medium, first and second leading edge detection switches for detecting the leading edge of the recording medium in the process of conveying and sucking the recording medium to the drum, and the first and second leading edge detection switches. Based on the leading edge detection signal of the recording medium, the rotation pulse amount of the suction motor required for the recording medium to transport from the position of the starting edge detection switch to the position of the first leading edge detection switch, and the first A rotation pulse amount of the suction motor required to transport the recording medium from the position of one leading edge detection switch to the position of the second leading edge detection switch. Integration circuit to calculate A conveyance amount data storage unit that accumulates the pulse amount data calculated by the integration circuit; and a determination circuit that determines whether the pulse amount data calculated by the integration circuit is within a standard range of the pulse amount of the apparatus; Is provided.
[0015]
Furthermore, the data recording apparatus using the photosensitive recording medium having an external reporting function of the conveyance operation abnormality of the present invention, A data receiving unit for receiving data for recording from the outside, a control circuit for controlling the operation of the entire apparatus, a monitor for notifying the operation status of the apparatus to the outside, and a recording medium for receiving data transmitted from the control circuit A data recording device comprising a data recording unit for recording on The data recording unit includes a magazine for setting a recording medium for recording received data in the apparatus, a drum for sucking and setting the recording medium when recording the received data, and the recording medium in the drum. A suction roller for transporting and sucking the ink, a suction motor for rotating the suction roller, and a start-end detection switch for detecting the leading edge of the recording medium first when the recording medium is transported and sucked into the drum; After the inhalation operation, a leading edge detection sensor for detecting the leading edge of the recording medium to specify a recording start position of the reception data, an optical system for recording the reception data on the recording medium with a laser beam, and the reception data recording When the recording medium is transported and discharged later, a discharge roller for transporting the recording medium, a discharge motor for rotating the discharge roller, and after the discharge of the recording medium A cutter for cutting the recording medium, a motor driver circuit for supplying a rotation pulse signal to the suction motor and the discharge motor, a sub-scanning motor for moving the optical system during recording of received data, and movement of the optical system The recording medium includes the suction motor and the suction roller by a groove installed in the drum, a roller moving in the groove, and a frame connected to the roller. When the recording medium is transported from the magazine into the drum, the leading edge of the recording medium hits the top, the top is pushed by the leading end of the recording medium and moves together, and the top moves, The position of the leading edge of the recording medium is detected from the amount of rotation of the roller connected to the frame, and the position of the recording medium is determined from the position of the start edge detecting switch. The rotation pulse of the suction motor in Integration circuit to calculate A conveyance amount data storage unit that accumulates the pulse amount data calculated by the integration circuit; and a determination circuit that determines whether the pulse amount data calculated by the integration circuit is within a standard range of the pulse amount of the apparatus; Is provided.
[0016]
Furthermore, in the data recording apparatus using the photosensitive recording medium having the external reporting function of the conveyance operation abnormality according to the present invention, the optical system includes a light source that emits a light beam and a light collecting device that collects the light beam emitted from the light source. An optical lens, a first deflection mirror that deflects the light beam that has passed through the condenser lens by 90 °, a second deflection mirror that deflects the light beam from the first deflection mirror by 90 °, and a scanning direction A rotating prism for irradiating the light beam, a main scanning motor for rotating the rotating prism, and an optical system control circuit for controlling the emission of the light source and the rotation of the main scanning motor.
[0017]
DETAILED DESCRIPTION OF THE INVENTION
Next, embodiments of the present invention will be described in detail with reference to the drawings.
[0018]
The present invention is an apparatus for recording data by exposing a photosensitive film as a recording medium using a semiconductor laser or the like as a light source, and externally reporting the wear state of the suction roller and the conveyance path state during the suction operation of the photosensitive film. It is.
[0019]
In this apparatus, as shown in FIG. 2, the photosensitive film 19 as a recording medium is set in the drum 17 and the optical system 8 irradiates from the right end (standby position) of the drawing in the left direction. The received data is recorded on the photosensitive film 19 by the laser beam.
[0020]
FIG. 3 is a view of FIG. 2 viewed from the left. When this apparatus receives dot data from the host apparatus, the apparatus sucks the suction motor 21 by a prescribed amount of pulses in order to transport the photosensitive film 19 to the recording position. Rotate in the direction. Further, the suction roller 22 connected to the suction motor 21 also rotates in accordance with this.
[0021]
When the photosensitive film 19 was transported on the surface of the drum 17, it took from the detection of the leading edge of the photosensitive film 19 by the start edge detection switch 23 to the detection of the leading edge of the photosensitive film 19 by the first leading edge detection switch 29. Time data is calculated by the control circuit 2, and this time data is converted into a pulse amount by the integrating circuit 5. This pulse amount is stored in the transport amount data storage unit 6. Thereafter, when the leading edge of the photosensitive film 19 is detected by the second leading edge detection switch 30, the photosensitive film 19 is conveyed from the position of the first leading edge detection switch 29 to the position of the second leading edge detection switch 30. The amount of pulses required for the suction motor 21 is calculated by the integrating circuit 5 and stored in the transport amount data storage unit 6.
[0022]
When the leading edge of the photosensitive film 19 is detected by the second leading edge detection switch 30, the rotational speed of the suction motor 21 is decreased and the photosensitive film 19 is conveyed until the leading edge detection sensor 27 detects the leading edge of the photosensitive film 19. Let
[0023]
When the leading edge of the photosensitive film 19 is detected by the leading edge detection sensor 27, the rotation of the suction motor 21 is stopped and the received data is recorded on the photosensitive film 19 according to the operation principle described above.
[0024]
After recording of the received data is completed, the photosensitive film 19 is discharged by rotating the suction motor 21 and the discharge motor 25. When the sheet is conveyed by a specified number of pulses, the photosensitive film 19 is cut by the cutter 28 and discharged to the outside. .
[0025]
In the present invention, in the process of transporting the recording medium during the recording operation of the received image data, the suction motor 21 that is actually required is determined from the leading edge detection state of the photosensitive film 19 by the first and second leading edge detection switches 29 and 30. The rotation pulse amount is calculated, and external notification of wear of the suction roller 22 and dust and foreign matter adhesion on the surface of the drum 17 is performed from the calculated value data.
[0026]
Referring to FIG. 1 showing an embodiment of the present invention as a block, a data recording apparatus using a photosensitive recording medium that records received data on a photosensitive film as a recording medium using the laser beam of this embodiment as a light source, A data receiving unit 1 for receiving data for recording from the outside, a control circuit 2 for controlling the operation of the entire apparatus, a monitor 4 for notifying the operation status of the apparatus to the outside, and received data transmitted from the control circuit 2 Is calculated by the data recording unit 3 for recording the recording medium on the recording medium, the integrating circuit 5 for calculating the pulse amount of the suction motor required for transporting the recording medium to the specified position inside the apparatus, and the integrating circuit 5 according to the present invention. Compare the transport amount data storage unit 6 for storing the pulse amount data, and the pulse data of the transport amount data storage unit 6 with the pulse amount device standard for transporting the photosensitive film to the specified position. It consists decision circuit 7 for determining whether there is abnormality in the conveying operation at over data recording unit 3.
[0027]
As shown in FIG. 3, the data recording unit 3 includes a photosensitive film 19 that is a recording medium for recording received data, a magazine 24 for setting the photosensitive film 19 in the apparatus, and a photosensitive film for recording received data. The drum 17 for sucking and setting the film 19, the suction roller 22 for transporting and sucking the photosensitive film 19 into the drum 17, the suction motor 21 for rotating the suction roller 22, and the photosensitive film 19 transporting and sucking to the drum 17 In this case, a leading edge detection switch 23 for detecting the leading edge of the photosensitive film 19 first, a leading edge detection sensor 27 for detecting the leading edge of the photosensitive film 19 for specifying the recording start position of received data after the suction operation, An optical system 8 that records received data on the film 19 with a laser beam, and a sensitivity when the photosensitive film 19 is conveyed and discharged outside after the received data is recorded. A discharge roller 26 for conveying the film 19, a discharge motor 25 for rotating the discharge roller 26, a cutter 28 for cutting the photosensitive film 19 after discharging the photosensitive film 19, and a rotation pulse signal to the suction motor 21 and the discharge motor 25. 2, a control circuit 2 for controlling the operation of the entire apparatus, a monitor 4 for notifying the operation status of the apparatus to the outside, and moving the optical system 8 when recording received data as shown in FIG. For detecting the leading edge of the photosensitive film 19 in the process of sucking and sucking the photosensitive film 19 to the drum 17 according to the present invention. Based on the second edge detection switches 29 and 30 and the edge detection signals of the photosensitive film 19 from the first and second edge detection switches 29 and 30, From the position of the detection switch 23 to the position of the first leading edge detection switch 29, the second leading edge detection switch from the rotation pulse amount of the suction motor 21 and the position of the first leading edge detection switch 29 required for the photosensitive film 19 to convey. An integration circuit 5 for calculating the rotation pulse amount of the suction motor 21 required to transport the photosensitive film 19 to the position 30; and a conveyance amount data storage unit 6 for storing the pulse amount data calculated by the integration circuit 5; The determination circuit 7 determines whether or not the pulse amount data calculated by the integration circuit 5 is within the standard range of the pulse amount of the apparatus.
[0028]
FIG. 2 is a view of FIG. 3 as viewed from the right side. As shown in FIG. 2, the optical system 8 includes an LD light source 9 that emits laser light, and a condensing light that condenses the laser light emitted from the LD light source 9. A lens 10, a first deflection mirror 11 that deflects the laser light that has passed through the condenser lens 10 by 90 °, a second deflection mirror 12 that deflects the laser light from the first deflection mirror 11 by 90 °, and A rotating prism 13 for irradiating laser light in the scanning direction shown in FIG. 3, a main scanning motor 14 for rotating the rotating prism 13, laser emission control of the LD light source 9, and rotation control of the main scanning motor 14 are performed. And an optical system control circuit 15.
[0029]
Next, the operation of this embodiment will be described with reference to FIGS.
[0030]
First, the image receiving unit 1 receives image data of a dot pattern transmitted from the outside. Image data received by the data receiver 1 is converted from analog data to digital data and transferred to the control circuit 2.
[0031]
After the image data is stored in the control circuit 2, a rotation instruction signal for the suction motor 21 is transferred from the control circuit 2 to the motor driver circuit 20 in order to transport and suck the photosensitive film 19 from the magazine 24 into the drum 17. In response to this signal, a pulse signal is transferred from the motor driver circuit 20 to the suction motor 21, and the suction motor 21 rotates. The suction roller 22 connected to the suction motor 21 is rotated by the rotation of the suction motor 21, and the photosensitive film 19 is conveyed from the magazine 24 into the drum 17.
[0032]
The photosensitive film 19 passes through the suction roller 22, and its leading end is detected by the start end detection switch 23. When the leading edge detection switch 23 detects the leading edge of the photosensitive film 19, the detection signal is transferred to the control circuit 2.
[0033]
The photosensitive film 19 is further conveyed on the drum 17 by the rotation of the suction motor 21, and then the leading end is detected by the first leading end detection switch 29. The first leading edge detection switch 29 transfers the detection signal to the control circuit 2 when the leading edge of the photosensitive film 19 is detected.
[0034]
The control circuit 2 calculates the time required from when the leading edge detection switch 23 detects the leading edge of the photosensitive film 19 to when the first leading edge detection switch 29 detects the leading edge of the photosensitive film 19. The time data calculated by the control circuit 2 is transferred to the integrating circuit 5.
[0035]
From this time data, the integrating circuit 5 calculates the rotation pulse amount required for the suction motor 21 to transport the photosensitive film 19 from the position of the start end detection switch 23 to the position of the first end detection switch 29. The pulse amount data calculated by the integration circuit 5 is transferred to the determination circuit 7 and stored in the carry amount data storage unit 6.
[0036]
The determination circuit 7 is within the standard range of the rotational pulse amount of the suction motor 21 required from the time when the leading edge detection switch 23 detects the leading edge of the photosensitive film 19 until the first leading edge detection switch 29 detects the leading edge of the photosensitive film 19. It is determined whether the pulse amount data previously calculated by the integrating circuit 5 is included.
[0037]
It should be noted that the standard value of the pulse amount to be determined is held in the control circuit 2 and the determination of the pulse amount in the determination circuit 7 is a standard in which the value calculated by the integrating circuit 5 is in the control circuit 2. If it is greater than the value, do it.
[0038]
If the pulse amount actually required is within the standard range, it indicates that there is no abnormality in the conveying operation of the photosensitive film 19 from the position of the start edge detection switch 23 to the position of the first edge detection switch 29.
[0039]
However, when the pulse amount actually required is out of the standard range, the suction roller 22 is moved from the position of the start edge detection switch 23 to the position of the first edge detection switch 29 so that the suction roller 22 is less than the standard. It turns out that it had to be rotated extra. That is, there is an abnormality in the conveying operation of the photosensitive film 19 by the suction roller 22.
[0040]
In the conveying operation of the photosensitive film 19 from the position of the start edge detection switch 23 to the position of the first edge detection switch 29, wear of the suction roller 22 is a cause of the required pulse amount of the suction motor 21 being larger than the standard value.
[0041]
Since the shape of the drum 17 is curved in a direction perpendicular to the ground from the position of the start end detection switch 23 to the position of the first tip detection switch 29, dust and foreign matter adhered to the surface of the drum 17 between the switches. Moves to the lowest point of the drum 17 and accumulates. Therefore, the conveyance failure of the photosensitive film 19 occurs due to adhesion of dust or foreign matter to the surface of the drum 17 between the start end detection switch 23 and the first end detection switch 29. Absent.
[0042]
From the above, the cause of the conveyance failure in the conveyance operation of the photosensitive film 19 between the position of the start edge detection switch 23 and the position of the first edge detection switch 29 is photosensitive on the roller surface due to wear of the suction roller 22. It can be said that the film 19 slips. When the determination circuit 7 determines that the actual calculated value of the pulse amount is not within the standard range, the determination circuit 7 notifies the control circuit 2 that the suction roller 22 is worn. In response to the abnormality notification signal from the determination circuit 7, the control circuit 2 transmits a signal notifying the wear abnormality of the suction roller 22 to the monitor 4. The monitor 4 receives a signal from the control circuit 2 and reports the wear abnormality of the suction roller 22 to the outside.
[0043]
Based on the contents described above, the integration circuit 5 calculates the conveyance pulse amount of the suction roller 22 required in the conveyance operation of the photosensitive film 19 from the position of the start edge detection switch 23 to the first edge detection switch 29 shown in FIG. In the first embodiment of the present invention, the determination circuit 7 determines that the calculated value is not within the standard range and notifies the wear abnormality of the suction roller 22 to the outside.
[0044]
If there is no abnormality in the conveyance of the photosensitive film 19 up to the position of the first tip detection switch 29, the following data recording operation is performed.
[0045]
The photosensitive film 19 is further conveyed on the surface of the drum 17 from the position of the first tip detection switch 29, and the tip of the photosensitive film 19 is detected by the second tip detection switch 30. The second leading edge detection switch 30 transfers the detection signal to the control circuit 2 when the leading edge of the photosensitive film 19 is detected.
[0046]
The control circuit 2 calculates the time required from when the first leading edge detection switch 29 detects the leading edge of the photosensitive film 19 to when the second leading edge detection switch 30 detects the leading edge of the photosensitive film 19. The time data calculated by the control circuit 2 is transferred to the integrating circuit 5. From this time data, the integration circuit 5 calculates the amount of rotation pulses required for the suction motor 21 to transport the photosensitive film 19 from the position of the first tip detection switch 29 to the position of the second tip detection switch 30. .
[0047]
The pulse amount data calculated by the integration circuit 5 is transferred to the determination circuit 7 and stored in the carry amount data storage unit 6.
[0048]
The determination circuit 7 determines the rotation pulse amount of the suction motor 21 required from when the first tip detection switch 29 detects the tip of the photosensitive film 19 to when the second tip detection switch 30 detects the tip of the photosensitive film 19. It is determined whether the pulse amount data previously calculated by the integration circuit 5 is included in the standard range. The determination and detection of the pulse amount in the determination circuit 7 is performed when the value calculated by the integration circuit 5 is larger than the standard value in the control circuit 2.
[0049]
If the actual calculation value of the pulse amount is within the standard range as a result of the determination by the determination circuit 7, the photosensitive film 19 from the position of the first tip detection switch 29 to the position of the second tip detection switch 30 is Indicates that there is no abnormality in the transport operation.
[0050]
However, when the pulse amount actually required is out of the standard range, the suction roller 22 is used to convey the photosensitive film 19 from the position of the first tip detection switch 29 to the position of the second tip detection switch 30. It turns out that it had to be rotated more than the standard. That is, an abnormality has occurred in the conveyance process of the photosensitive film 19 from the position of the first tip detection switch 29 to the position of the second tip detection switch 30.
[0051]
In the transport operation of the photosensitive film 19 from the position of the first tip detection switch 29 to the position of the second tip detection switch 30, the drum 17 is a cause of the rotation pulse amount required by the suction motor 21 exceeding the standard value. There is dust or foreign matter on the surface.
[0052]
The drum 17 is curved in a semicircular shape as shown in FIG. 3, and the position of the center of the position of the first tip detection switch 29 and the position of the second tip detection switch 30 is the lowest point in the vertical direction. Due to the shape of the drum 17, dust and foreign matter floating in the air are accumulated around the lowest point. This dust or foreign matter becomes an obstacle when the photosensitive film 19 is transported on the surface of the drum 17 and causes a transport failure.
[0053]
If there is a difference between the standard value of the pulse amount previously compared in the determination circuit 7 and the actual calculated value, the determination circuit 7 notifies the control circuit 2 that there is dust or foreign matter adhering on the surface of the drum 17. .
[0054]
Upon receiving the abnormality notification signal from the determination circuit 7, the control circuit 2 transmits a signal notifying the monitor 4 that dust or foreign matter has adhered to the drum surface. The monitor 4 receives a signal from the control circuit 2 and makes an external notification that dust or foreign matter has adhered to the surface of the drum 17 outside.
[0055]
In the above description, the integrating circuit 5 calculates the rotation pulse amount required for the suction roller 21 to convey the photosensitive film 19 from the position of the first tip detection switch 29 shown in FIG. 3 to the second tip detection switch 30. In the second embodiment of the present invention, the function of notifying the outside of the surface of the drum 17 of dust or foreign matter when the determination circuit 7 determines that the calculated value is not within the standard range. is there.
[0056]
When there is no abnormality in the conveying operation of the photosensitive film 19 up to the position of the second tip detection switch 30, the following data recording operation is performed.
[0057]
The photosensitive film 19 is further conveyed on the surface of the drum 17 from the position of the second leading edge detection switch 30. At this time, the suction motor 21 rotates at a lower speed than the rotation speed until then. The photosensitive film 19 is conveyed by the low speed rotation of the suction motor 21, and the leading end thereof is detected by the leading end detection sensor 27.
[0058]
When the leading edge detection sensor 27 detects the leading edge of the photosensitive film 19, the control circuit 2 receives the detection signal and transmits a signal for stopping the rotation of the suction roller 21 to the motor driver circuit 20.
[0059]
The motor driver circuit 20 stops the rotation pulse supply to the suction motor 21 in response to a signal from the control circuit 2. As a result, the rotation of the suction motor 21 is stopped.
[0060]
Next, a rotation instruction signal for the main scanning motor 14 is transmitted from the control circuit 2 to the optical system control circuit 15 in the optical system 8 shown in FIG. In response to the rotation instruction signal from the control circuit 2, the optical system control circuit 15 transmits a rotation pulse signal to the main scanning motor 14, whereby the main scanning motor 14 rotates at a constant speed. As the main scanning motor 14 rotates, the rotating prism 13 connected to the main scanning motor 14 also rotates at the same speed as the main scanning motor 14.
[0061]
Next, a laser beam is emitted from the LD light source 9 according to a signal from the optical system control circuit 15. The laser light emitted from the LD light source 9 is diffused light and is collected by the condenser lens 10 shown in FIG. The laser beam condensed by the condenser lens 10 is deflected by 90 ° by the first deflection mirror 11. The laser beam deflected by 90 ° by the first deflection mirror 11 is further deflected by 90 ° by the second deflection mirror 12. The laser beam deflected by 90 ° by the second deflection mirror 12 is applied to the rotating prism 13. The laser beam applied to the rotating rotating prism 13 is scanned in the scanning direction shown in FIG.
[0062]
Next, the sub-scanning motor 16 is rotated by the pulse signal from the control circuit 2, and the optical system 8 is supported by the shaft 18 and moves in the sub-scanning direction shown in FIG. As the optical system 8 moves in the sub-scanning direction, laser light is irradiated onto the photosensitive film 19, and image data received by this laser light is recorded on the photosensitive film 19.
[0063]
After completion of data recording on the photosensitive film 19, rotation instruction signals for the discharge motor 25 and the suction motor 21 shown in FIG. 3 are transferred from the control circuit 2 to the motor driver circuit 20. The motor driver circuit 20 transfers a rotation pulse signal to the discharge motor 25 and the suction motor 21 in accordance with a signal from the control circuit 2. In response to this pulse signal, the discharge motor 25 and the suction motor 21 rotate at a constant speed. As the discharge motor 25 and the suction motor 21 rotate, the discharge roller 26 and the suction roller 22 connected to each other rotate. As the discharge roller 26 and the suction roller 22 rotate, the photosensitive film 19 is conveyed to the position of the cutter 28 shown in FIG.
[0064]
Next, the photosensitive film 19 is cut by the cutter 28, and only the portion of the photosensitive film 19 on which the received image data is recorded is discharged to the outside.
[0065]
Thereby, the recording operation of the received image data on the photosensitive film 19 is completed.
[0066]
As described above, in the present invention, two switches for detecting the leading edge of the recording medium are installed on the drum surface, and the rotation pulse amount required by the suction motor is calculated from the leading edge detection signals from these switches. It is determined whether or not the calculated value is within the apparatus standard range, and from this result, the conveyance operation failure due to the wear of the suction roller and the attachment of dust or foreign matter on the drum surface is detected at an early stage, and an abnormality is reported to the outside.
[0067]
Next, another embodiment of the present invention will be described with reference to FIG.
[0068]
As shown in FIG. 4, a groove 33 is provided in the drum 17 instead of the first and second tip detection switches 29 and 30 in FIG. 3, and a roller 32 that moves in the groove is provided. Further, a frame 31 is connected to the roller 32.
[0069]
When the photosensitive film 19 is conveyed from the magazine 24 into the drum 17 by the rotation of the suction motor 21 and the suction roller 22, the leading edge of the photosensitive film 19 hits the top 31, and the top 31 is pushed by the leading edge of the photosensitive film 19 together. Move to.
[0070]
When the frame 31 moves, the roller 32 connected to the frame 31 rotates and rotates on the groove 33 by the same movement amount as the frame 31.
[0071]
The position of the leading end of the photosensitive film 19 is detected from the rotation amount of the roller 32, and it is detected from the rotation pulse amount of the suction motor 21 and the calculated value that there is no variation in the conveyance amount of the photosensitive film 19.
[0072]
After detecting the position where the leading edge of the photosensitive film 19 is conveyed, the process of determining the state of dust and foreign matter adhesion on the surface of the drum 17 and the wear state of the suction roller 22 is the same as that described in the operation of the above embodiment. It is.
[0073]
【The invention's effect】
As described above, the first effect of the present invention is a reduction in the use amount of the recording medium when the recording quality of the received data is deteriorated due to wear of the transport roller or adhesion of dust or foreign matter on the drum surface.
[0074]
In an apparatus for conveying a recording medium using a rubber roller, the occurrence of conveyance failure due to rubber wear is inevitable. When the rubber wears, the recording medium conveyance amount variation and skew conveyance occur, and the recording quality deteriorates. In the prior art, since the wear of the rubber was not detected inside the apparatus, the wear and the life of the suction roller could not be confirmed unless the deterioration of the recording quality was confirmed manually. If a recording quality degradation that can be confirmed artificially occurs, the recording medium cannot be used in business, and must be discarded.
[0075]
In the present invention, the rotation pulse amount of the suction motor is constantly monitored inside the apparatus, and an abnormal wear on the roller surface is reported to the outside before the recording quality deteriorates. As a result, the suction roller can be prevented and replaced before the recording quality is lowered, the recording quality is lowered, and the usage amount of the recording medium that cannot be used for business can be reduced.
[0076]
Further, even if dust or foreign matter adheres to the drum surface, the transport amount of the recording medium varies, and the recording quality deteriorates. In the prior art, when the recording medium is not conveyed to the recording start position within the specified time, it is determined that a time-out has occurred, and only a notification is sent to the outside in the form of a paper jam.
[0077]
The present invention provides an external notification that paper jams and transport amount variations are due to dust and foreign matter adhering to the drum surface, and enables dust and foreign matter to be removed before the recording quality deteriorates. As a result, the recording quality is reduced, and the usage amount of the recording medium that cannot be used in business can be reduced.
[0078]
The second effect is an enlargement of the tip detectable region of the recording medium.
[0079]
In the conventional technique, the photosensitive material is once transported to the back side from the position of the tip detection sensor. Thereafter, a method is used in which the leading edge of the recording medium is moved backward by a specified time, and the leading edge of the recording medium is detected by a sensor while the recording medium is advanced from the position by a specified amount at a low speed. In this case, if there is some variation in the transport amount due to wear of the suction roller or dust or foreign matter adhering to the drum surface, if the tip of the recording medium cannot be detected in the detectable area, an alarm will be generated at that time, Subsequent data recording operations are stopped.
[0080]
In the present invention, when the recording medium is transported from the magazine to the recording start position on the drum surface, the leading edge of the recording medium is detected by a switch in the middle of the transportation, so that the suction roller wears, the dust on the drum surface, The conveyance amount is controlled by grasping the adhesion state of the foreign matter, and finally the leading edge of the recording medium is conveyed to the recording start position, and the leading edge is detected by the sensor.
[0081]
As described above, by detecting the leading edge multiple times during the conveyance process, the leading edge of the recording medium can be reliably detected even in a region where the leading edge of the recording medium could not be detected by the conventional technology, and a data recording operation stop state due to an alarm occurs Can be reduced.
[Brief description of the drawings]
FIG. 1 is a block diagram showing a configuration of an embodiment of the present invention.
FIG. 2 is a side view showing the structure of this embodiment.
FIG. 3 is a front view showing the structure of this embodiment.
FIG. 4 is a front view showing the structure of another embodiment of the present invention.
FIG. 5 is a front view showing a structure of a conventional example.
[Explanation of symbols]
1 Data receiver
2 Control circuit
3 Data recording part
4 Monitor
5 Integration circuit
6 Transport amount data storage
7 Judgment circuit
8 Optical system
9 LD light source
10 Condensing lens
11 First deflection mirror
12 Second deflection mirror
13 Rotating prism
14 Main scanning motor
15 Optical system control circuit
16 Sub-scanning motor
17 drums
18 shaft
19 Photosensitive film
20 Motor driver circuit
21 Suction motor
22 Suction roller
23 Start detection switch
24 Magazine
25 Discharge motor
26 Discharge roller
27 Tip detection sensor
28 cutters
29 First tip detection switch
30 Second tip detection switch
31 frames
32 Laura
33 groove

Claims

A data receiving unit for receiving data for recording from the outside, a control circuit for controlling the operation of the entire apparatus, a monitor for notifying the operation status of the apparatus to the outside, and a recording medium for receiving data transmitted from the control circuit A data recording device comprising a data recording unit for recording on
The data recording unit
A magazine for setting a recording medium for recording received data in the apparatus;
A drum for sucking and setting the recording medium when recording the received data;
A suction roller for transporting and sucking the recording medium into the drum;
A suction motor for rotating the suction roller,
When the recording medium is conveyed and sucked into the drum, a start end detection switch that first detects the leading end of the recording medium;
A tip detection sensor for detecting the tip of the recording medium in order to specify the recording start position of the received data after the suction operation;
An optical system for recording the received data on the recording medium with a laser beam;
A discharge roller for transporting the recording medium when transporting and discharging the recording medium to the outside after recording the received data;
A discharge motor for rotating the discharge roller,
A cutter for cutting the recording medium after discharging the recording medium;
A motor driver circuit for supplying a rotation pulse signal to the suction motor and the discharge motor;
A sub-scanning motor for moving the optical system during reception data recording;
A shaft that supports movement of the optical system;
First and second leading edge detection switches for detecting the leading edge of the recording medium in the process of conveying and sucking the recording medium to the drum;
Based on the leading edge detection signal of the recording medium from the first and second leading edge detection switches, the recording medium was required to be transported from the position of the starting edge detection switch to the position of the first leading edge detection switch. A rotation pulse amount of the suction motor and a rotation pulse amount of the suction motor required to transport the recording medium from the position of the first tip detection switch to the position of the second tip detection switch are calculated. An integrating circuit ;
A transport quantity data storage section for storing the pulse amount data calculated by said integrating circuit,
A photosensitive recording medium having an external reporting function for abnormality in conveying operation, comprising: a determination circuit that determines whether or not the pulse amount data calculated by the integration circuit is within a standard range of the pulse amount of the apparatus . Data recording device .

A data receiving unit for receiving data for recording from the outside, a control circuit for controlling the operation of the entire apparatus, a monitor for notifying the operation status of the apparatus to the outside, and a recording medium for receiving data transmitted from the control circuit A data recording device comprising a data recording unit for recording on
The data recording unit
A magazine for setting a recording medium for recording received data in the apparatus;
A drum for sucking and setting the recording medium when recording the received data;
A suction roller for transporting and sucking the recording medium into the drum;
A suction motor for rotating the suction roller,
When the recording medium is conveyed and sucked into the drum, a start end detection switch that first detects the leading end of the recording medium;
A tip detection sensor for detecting the tip of the recording medium in order to specify the recording start position of the received data after the suction operation;
An optical system for recording the received data on the recording medium with a laser beam;
A discharge roller for transporting the recording medium when transporting and discharging the recording medium to the outside after recording the received data;
A discharge motor for rotating the discharge roller,
A cutter for cutting the recording medium after discharging the recording medium;
A motor driver circuit for supplying a rotation pulse signal to the suction motor and the discharge motor;
A sub-scanning motor for moving the optical system during reception data recording;
A shaft that supports movement of the optical system, and
The recording medium is moved from the magazine into the drum by the rotation of the suction motor and the suction roller by a groove installed in the drum, a roller moving in the groove, and a frame connected to the roller. When transported, the leading edge of the recording medium hits the frame, the frame is pushed together by the leading edge of the recording medium and moves together, and the roller connected to the frame rotates when the frame moves. An integration circuit for detecting the position of the leading end of the recording medium from the amount, and calculating a rotation pulse amount of the suction motor from the position of the start end detection switch to the position of the recording medium;
A transport quantity data storage section for storing the pulse amount data calculated by said integrating circuit,
A photosensitive recording medium having an external reporting function for abnormality in conveying operation, comprising: a determination circuit that determines whether or not the pulse amount data calculated by the integration circuit is within a standard range of the pulse amount of the apparatus . Data recording device .