JPH03230172A - Image forming device - Google Patents
Image forming deviceInfo
- Publication number
- JPH03230172A JPH03230172A JP2025877A JP2587790A JPH03230172A JP H03230172 A JPH03230172 A JP H03230172A JP 2025877 A JP2025877 A JP 2025877A JP 2587790 A JP2587790 A JP 2587790A JP H03230172 A JPH03230172 A JP H03230172A
- Authority
- JP
- Japan
- Prior art keywords
- main body
- information
- image forming
- unit
- replacement unit
- 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
- 238000000034 method Methods 0.000 claims description 8
- 239000000470 constituent Substances 0.000 claims description 4
- 108091008695 photoreceptors Proteins 0.000 description 13
- 239000002699 waste material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G2221/00—Processes not provided for by group G03G2215/00, e.g. cleaning or residual charge elimination
- G03G2221/16—Mechanical means for facilitating the maintenance of the apparatus, e.g. modular arrangements and complete machine concepts
- G03G2221/18—Cartridge systems
- G03G2221/1823—Cartridges having electronically readable memory
Landscapes
- Control Or Security For Electrophotography (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
本発明はページプリンターや複写機のような画像形成装
置のなかで、画像形成プロセスをなす構成要素の一部が
交換ユニットとして装置本体に対し交換可能に構成され
ている画像形成装置にかんする。[Detailed Description of the Invention] [Industrial Application Field] The present invention is an image forming apparatus such as a page printer or a copying machine, in which some of the components making up the image forming process are attached to the main body of the apparatus as a replaceable unit. The present invention relates to an image forming apparatus configured to be replaceable.
［従来の技術］
一般に、たとえば電子写真複写機に８いて長期間装置を
使用するためには画像形成プロセスをなす構成要素であ
る、感光体、トナーカートリッジ、廃トナーボックス等
の消耗品、或は現像器、帯電器等の寿命品を交換ユニッ
トとして定期的に交換する必要がある。[Prior Art] In general, for example, in order to use an electrophotographic copying machine for a long period of time, consumables such as a photoreceptor, a toner cartridge, a waste toner box, etc., which are components of the image forming process, or It is necessary to periodically replace consumable products such as developing devices and chargers as replacement units.
一方、前記構成要素の特性、例えば感光体の感度特性や
現像器の現像特性にはかなりばらつきがある。このため
、これらの交換ユニットを単に交換使用したのでは一定
した画像品質を得ることはできない。そこで、従来より
交換ユニットに、その構成要素の特性を特性情報として
記録する一方、装置本体に前記特性情報を読み取る読取
装置を付加しその情報をもとに現像バイアスを変えたり
、書き込みユニットの露光量を変えることにより、前記
交換ユニットを交換しても常に一定した画像品質を確保
するようにしていた。On the other hand, there are considerable variations in the characteristics of the constituent elements, such as the sensitivity characteristics of the photoreceptor and the development characteristics of the developer. For this reason, it is not possible to obtain constant image quality by simply replacing these replacement units. Therefore, conventionally, the characteristics of the constituent elements are recorded in the replacement unit as characteristic information, while a reading device for reading the characteristic information is added to the main body of the device, and based on that information, the developing bias can be changed or the exposure of the writing unit can be By changing the amount, constant image quality was always ensured even if the replacement unit was replaced.
そして従来、交換ユニットの交換時期を知る手段として
は印字した用紙の枚数を交換ユニットに取り付けられた
メカ的カウンターによりカウントしその結果が寿命枚数
に達したとき装置本体に取り付けられたマイクロスイッ
チにより機械的に検出することで、それ以後の印字動作
を禁止する手段が用いられていた。また交換ユニットの
特性を装置本体に伝える手段としては、装置本体に３個
のマイクロスイッチを取り付けると共に、交換ユニット
の、前記マイクロスイッチと対向する位置に３個の突起
を設けたものがあった。このものは出荷時に感光体ユニ
ットの特性に応じて前記突起の内規つかを取り除き、装
置本体に交換ユニットを装着すると、前記突起が前記マ
イクロスイッチを選択的にオン、オフすることを利用し
て３ビツトの情報を伝達する様になっていた。Conventionally, the means to know when to replace a replacement unit is to count the number of printed sheets with a mechanical counter attached to the replacement unit, and when the result reaches the number of sheets that have reached the end of the service life, a microswitch attached to the main body of the device is activated. A method has been used to detect this and prohibit subsequent printing operations. In addition, as a means for transmitting the characteristics of the replaceable unit to the main body of the device, three microswitches are attached to the main body of the device, and three protrusions are provided on the replaceable unit at positions facing the microswitches. When this product is shipped, the internal regulation of the protrusion is removed according to the characteristics of the photoreceptor unit, and when a replacement unit is attached to the main body of the device, the protrusion selectively turns on and off the microswitch. It was designed to transmit information about bits.
［発明が解決しようとする課題］
しかし、前述したメカ式カウンターでは故障が多く、構
造が複雑になる。また、交換ユニットの特性と使用量に
関するデータを別々の手段で記憶し、かつ読み書きして
ので、装置本体、交換ユニットとも構造が複雑になって
しまうという問題点があった◎
本発明はこのような問題点を解決するもので、その目的
とするところは交換ユニット及び、装置本体の構造を簡
素化することができる画像形成装置を提供するところに
ある。[Problems to be Solved by the Invention] However, the above-mentioned mechanical counter often fails and has a complicated structure. In addition, data regarding the characteristics and usage of the replaceable unit is stored, read and written using separate means, resulting in a complicated structure for both the device itself and the replaceable unit. The purpose of this invention is to provide an image forming apparatus that can simplify the structure of a replaceable unit and the main body of the apparatus.
［課題を解決するための手段］
本発明は、トナー像を印刷用紙面に形成する画像形成プ
ロセスの構成要素の少なくとも一部を、交換ユニットと
して装置本体に対し交換可能とした画像形成装置におい
て、交換可能とした前記構成要素の特性を特性情報とし
て記憶し、かつ前記構成要素が使用された量を使用量情
報として書き込み読取可能な不揮発性記憶媒体を前記交
換ユニットに設けるとともに、装置本体には、前記記憶
媒体に記憶された情報を読み取り、かつ前記構成要素の
使用量情報を前記記憶媒体に書き込む読取書き込み手段
を設けたことを特徴とする。[Means for Solving the Problems] The present invention provides an image forming apparatus in which at least a part of the components of an image forming process for forming a toner image on a printing paper surface can be replaced with respect to the main body of the apparatus as a replaceable unit. The replaceable unit is provided with a nonvolatile storage medium that stores the characteristics of the component that is made replaceable as characteristic information and that can read and write the amount of usage of the component as usage information. , further comprising a read/write means for reading information stored in the storage medium and writing usage information of the component into the storage medium.
［作用］
本発明の上記の構成によれば、従来別々に持っていた交
換ユニットの特性情報記録用と、使用量記情報録用の記
憶手段を一つの記憶媒体で共用でき、また交換ユニット
と本体間のインターフェースのほとんどを共有化するこ
とが出来るため、交換ユニットと装置本体の構成の簡素
化、小型化が可能となる。またインタフェースの数が減
るため装置本体のコントローラ設計の自由度が増加する
。[Function] According to the above configuration of the present invention, the storage means for recording the characteristic information of the replaceable unit and the storage means for recording the usage amount record, which were conventionally held separately, can be shared by one storage medium. Since most of the interfaces between the main bodies can be shared, the configuration of the exchange unit and the main body of the device can be simplified and downsized. Furthermore, since the number of interfaces is reduced, the degree of freedom in designing the controller of the device body increases.
さらに、従来と同様の複雑さにした場合には、記録伝達
する情報量を増やすことができるためきめ細かい制御が
可能となる。Furthermore, if the complexity is the same as in the past, the amount of information to be recorded and transmitted can be increased, allowing fine control.
［実施例］ 本発明の第１実施例を図を使って説明する。[Example] A first embodiment of the present invention will be described with reference to the drawings.
第１図は本発明の画像形成装置の側面図である。FIG. 1 is a side view of the image forming apparatus of the present invention.
本実施例では電子写真プロセスをなす構成要素のうち交
換ユニット１５の中に感光体１、現像器４、クリーナ６
、廃トナーボックス１４、及び、イレーザ７が一体で納
められている。また、装置本体１７には帯電装置２、Ｆ
光装置３、転写装置５１足−着器１３が配ζされている
。交換ユニット１５には不揮発性記憶媒体としてＥＰ−
ＲＯＭカートリッジ１６が設けられている。装置本体１
７には印刷用紙Ｏの搬送径路に添って、順に給紙装置８
、エントリーセンサー９、ゲートローラ１０、転写紙ガ
イド１１が配設されている。また、転写装置５をはさん
で定着紙ガイド１２が配設され、定着器１３の印刷用紙
Ｏの下流側に排紙装置（図示せず）が配設されている。In this embodiment, among the components constituting the electrophotographic process, the replaceable unit 15 includes a photoreceptor 1, a developing device 4, and a cleaner 6.
, waste toner box 14, and eraser 7 are housed together. Further, the device main body 17 includes a charging device 2, an F
An optical device 3, a transfer device 51 and a mounting device 13 are arranged. The exchange unit 15 has an EP-ROM as a non-volatile storage medium.
A ROM cartridge 16 is provided. Device body 1
7, there are paper feed devices 8 in order along the conveyance path of the printing paper O.
, an entry sensor 9, a gate roller 10, and a transfer paper guide 11 are provided. Further, a fixing paper guide 12 is provided across the transfer device 5, and a paper ejecting device (not shown) is provided on the downstream side of the printing paper O of the fixing device 13.
さらに装置本体１７には、電源（図示せず）と、コント
ローラ１９とが配設されている。Further, the device main body 17 is provided with a power source (not shown) and a controller 19.
交換ユニット１５を装置本体１７に装着すると、交換ユ
ニット１５と装置本体１７との間はコネクタ１８により
接続され、装置本体１７と交換ユニット１５との間で、
現像器４の現像バイアス、イレーザ７の電源、ＥＰ−Ｒ
ＯＭカートリッジ１６の電源と信号がやり取りされる。When the exchange unit 15 is attached to the apparatus main body 17, the exchange unit 15 and the apparatus main body 17 are connected by the connector 18, and between the apparatus main body 17 and the exchange unit 15,
Developing bias of developing device 4, power supply of eraser 7, EP-R
Signals are exchanged with the power supply of the OM cartridge 16.
ＥＰ−ＲＯＭカートリッジ１６には交換ユニット１「の
特性情報として、出荷時に現像器４の現像特性、感光体
１の感度、イレーザ７の発光量が記録されており、使用
量情報として印字枚数が記録されている。使用量情報は
交換ユニット１５の出荷時には０が記録されている。In the EP-ROM cartridge 16, the developing characteristics of the developing device 4, the sensitivity of the photoreceptor 1, and the amount of light emitted by the eraser 7 are recorded as characteristic information of the replacement unit 1 at the time of shipment, and the number of printed sheets is recorded as usage information. 0 is recorded in the usage amount information when the replacement unit 15 is shipped.
交換ユニット１５を装置本体１７に装着して装置本体１
７の主電源をオンすると、コントローラ１９はＥＰ−Ｒ
ＯＭカートリッジ１６に書かれた交換ユニット１５の特
性情報と、使用量情報つまり印字枚数を読取る。そして
、コントローラ１９にあらかじめ記録されている、交換
ユニット１５の各種特性、及び印字枚数に応じたとプロ
セス条件を決定するためのアルゴリズムに基づき、現像
器４の現像特性と印字枚数とから現像バイアスの値を、
感光体１の感度から露光装置３の光量を、イレーザ７の
発光量からイレーザ７の電圧を決定する。Attach the replacement unit 15 to the device main body 17 and remove the device main body 1.
When the main power of 7 is turned on, the controller 19
The characteristic information of the replacement unit 15 written on the OM cartridge 16 and usage information, that is, the number of printed sheets are read. Based on the algorithm for determining process conditions according to the various characteristics of the replacement unit 15 and the number of sheets to be printed, which are recorded in advance in the controller 19, the value of the developing bias is determined based on the developing characteristics of the developing device 4 and the number of sheets to be printed. of,
The light amount of the exposure device 3 is determined from the sensitivity of the photoreceptor 1, and the voltage of the eraser 7 is determined from the amount of light emitted by the eraser 7.
装置本体１７に印字指令が出され、給紙装置８から本体
装置１７に送られてきた印刷用紙０の先端がエントリセ
ンサー９により検出されるたびに、コントローラ１９は
交換ユニット１５のＥＰ−ＲＯＭカートリッジ１６に対
して使用量情報の更新指令を出し、印字枚数を時々刻々
更新記録していく。そして、１ペ一ジ印字動作を終了す
るたびに、更新記録された印字枚数とコントローラ１９
に予め記憶されている交換ユニット１５の寿命枚数とと
を比較する。比較結果である交換ユニット１５の寿命枚
数−印字枚数がある一定の数値以下になった場合には交
換ユニット１５の交換を促す表示を装置本体１７の表示
装置にだし、交換ユニット１５の寿命枚数−印字枚数＝
Ｏになった場合には印字動作を禁止する。Every time a print command is issued to the main unit 17 and the leading edge of the printing paper 0 sent from the paper feeder 8 to the main unit 17 is detected by the entry sensor 9, the controller 19 sends the EP-ROM cartridge of the replacement unit 15. 16 to update the usage information, and update and record the number of printed sheets from time to time. Each time the printing operation for one page is completed, the updated number of printed sheets and the controller 19
The number of lifetime sheets of the replacement unit 15 stored in advance is compared with. The comparison result is the lifespan of the replacement unit 15 - If the number of printed sheets falls below a certain value, a display prompting the replacement of the replacement unit 15 will be displayed on the display device of the main body 17, and the lifespan of the replacement unit 15 will be calculated. Number of printed sheets =
When it becomes O, printing operation is prohibited.
上記実施例では使用量情報として印字枚数を記録したが
、印字ドツト数を使用すればさらに以下のような効果が
得られる。交換ユニット１５を寿命以上に使用した場合
の弊害の中でもっとも深刻な物は、廃トナーボックス１
４の容量以上に廃トナーが回収されて装置本体１７にこ
ぼれ出すこととである。また、現像器４の中にトナーが
少ないのに印字動作を続け、トナーの凝集を引き起こし
たり、二成分現像器４の場合はキャリアがこぼれ出すと
いうことである。廃トナー量とトナー消費量は印字面積
、つまり印字ドツト数に比例する。In the above embodiment, the number of printed sheets is recorded as usage information, but if the number of printed dots is used, the following effects can be obtained. The most serious problem when using the replacement unit 15 beyond its service life is the waste toner box 1.
This is because the waste toner is collected in an amount exceeding the capacity of 4 and spills into the main body 17 of the apparatus. Furthermore, the printing operation continues even though there is little toner in the developing device 4, causing toner aggregation, or in the case of a two-component developing device 4, carrier spilling out. The amount of waste toner and the amount of toner consumption are proportional to the printing area, that is, the number of printing dots.
従って使用量情報として印字ドツト数を用いれば、印字
枚数は少ないが印字デユーティの高い印字をした場合に
発生する上記の弊害を確実に回避することができる。Therefore, if the number of printed dots is used as usage information, it is possible to reliably avoid the above-mentioned disadvantages that occur when printing is performed with a small number of sheets but a high printing duty.
第２図を用いて第２実施例を説明する。A second embodiment will be explained using FIG.
感光体駆動歯車１２１は交換ユニット１１５の構成要素
である感光体１０１と回転中心を同じにして感光体１０
１に取り付けられており、本体駆動系１２４からの駆動
力を感光体１０１に伝える。The photoconductor drive gear 121 rotates around the same center of rotation as the photoconductor 101, which is a component of the replacement unit 115, and rotates the photoconductor 10.
1 and transmits the driving force from the main body drive system 124 to the photoreceptor 101.
また前記感光体駆動歯車１２１の、感光体１０１と反対
の側面には磁性層１２２が塗布されている。Further, a magnetic layer 122 is coated on the side surface of the photoreceptor driving gear 121 opposite to the photoreceptor 101.
装置本体の、前記磁性層１２２に対向する位置に、読取
書き込み可能な磁気ヘッド１２３が取り付けられており
、装置本体内にとりつけられたコントローラ１１９に接
続されている。前記磁性層１２２には交換ユニッート１
１５の出荷時に交換ユニット１１５の特性情報として現
像器の現像特性、感光体１０１の感度、及びイレーザの
発光量が記録されている。また、磁性層１２２には使用
量情報として印字枚数が記録されており、交換ユニット
１１５の出荷時には使用量情報は０が記録されている。A readable/writable magnetic head 123 is attached to the main body of the apparatus at a position facing the magnetic layer 122, and is connected to a controller 119 installed within the main body of the apparatus. The magnetic layer 122 includes an exchange unit 1.
15, the developing characteristics of the developing device, the sensitivity of the photoreceptor 101, and the amount of light emitted by the eraser are recorded as characteristic information of the replacement unit 115. Further, the number of printed sheets is recorded in the magnetic layer 122 as usage information, and 0 is recorded in the usage information when the replacement unit 115 is shipped.
交換ユニット１１５を装置本体１１７に装着して電源ス
ィッチをオンすると、磁気ヘッド１２３は磁性層１２２
に書き込まれた交換ユニット１１５の特性情報と、使用
量情報を読取り、読み取った情報をコントローラ１１９
に送る。そして、コントローラ１１９は、第１図に示し
た第１実施例と同様に特性情報及び使用量情報から各種
プロセス条件を決定する。また、第１実施例と同様にエ
ントリーセンサーが印刷用紙の先端を検出するたびに、
コントローラ１１９は磁気ヘッド１２３に対して使用量
情報の更新命令を出し、印字枚数を更新し記録する。１
ペ一ジ印字動作を終了するたびに使用量情報である印字
枚数と交換ユニット１１５の寿命枚数とを比較して印字
動作を継続するか、停止するかを決定する。When the replacement unit 115 is attached to the device main body 117 and the power switch is turned on, the magnetic head 123 is connected to the magnetic layer 122.
The characteristics information and usage information of the replacement unit 115 written in the controller 119 are read, and the read information is transferred to the controller 119.
send to Then, the controller 119 determines various process conditions from the characteristic information and usage amount information as in the first embodiment shown in FIG. Also, as in the first embodiment, each time the entry sensor detects the leading edge of the printing paper,
The controller 119 issues a command to update the usage information to the magnetic head 123, and updates and records the number of printed sheets. 1
Each time a page printing operation is completed, the number of printed sheets, which is usage information, is compared with the number of sheets to be printed during the lifetime of the replacement unit 115, and it is determined whether to continue or stop the printing operation.
本実施例では第１実施例に比べ、交換ユニット１１５に
取り付けた記憶媒体の構成がさらに簡単になり、また磁
気ヘッド１２３が交換ユニット１１５上の磁性層１２２
の情報を直接読取書き込みするため装置本体とのインタ
ーフェースも不要になる。In this embodiment, compared to the first embodiment, the configuration of the storage medium attached to the replacement unit 115 is simpler, and the magnetic head 123 is connected to the magnetic layer 122 on the replacement unit 115.
Since the information can be directly read and written, there is no need for an interface with the main body of the device.
本実施例では磁性層を感光体駆動歯車１２１の側面に形
成したが、印字動作の際に回転、或は移動動作をおこな
う、交換ユニット１１５上の他の部材に形成しても同様
の効果が得られる。In this embodiment, the magnetic layer is formed on the side surface of the photoreceptor drive gear 121, but the same effect can be obtained by forming it on other members on the exchange unit 115 that rotate or move during printing operations. can get.
［発明の効果］
本発明によれば、従来別々に持っていた交換ユニットの
特性記録用と、使用量記録用と記憶手段を一つの記憶媒
体で共用でき、また、交換ユニットと本体間のインター
フェースのほとんどを共有化することが出来るため、交
換ユニットと装置本体の構成の簡素化、小型化が可能と
なる。またインタフェースの数が減るため装置本体のコ
ントローラ設計の自由度が増加する。さらに従来と同様
の複雑さにした場合記録伝達する情報量を増やすことが
できるためきめ細かい制御が可能となるという効果を有
する。特に、カラ一対応複写器やプリンタのように伝達
すべき交換ユニット特性の情報量が飛躍的に多くなる場
合でも対応が可能であるという効果がある。[Effects of the Invention] According to the present invention, one storage medium can be used for recording the characteristics of the replaceable unit and for recording the usage amount, which were conventionally held separately, and the interface between the replaceable unit and the main body can be Since most of the components can be shared, the configuration of the exchange unit and the main body of the device can be simplified and downsized. Furthermore, since the number of interfaces is reduced, the degree of freedom in designing the controller of the device body increases. Furthermore, if the complexity is the same as in the past, the amount of information to be recorded and transmitted can be increased, which has the effect of making fine control possible. Particularly, it has the advantage of being able to handle cases where the amount of information on the characteristics of replaceable units to be transmitted increases dramatically, such as in color copiers and printers.
第１図は本発明の実施例を示す側面図。 印刷用紙 感光体 帯電装置 露光装置 現像器 転写装置 クリーナ イレーザ 給紙装置 、エントリーセンサー ゲートローラ 、転写紙ガイド 、定着紙ガイド １３、、、定着器 １４、、、廃トナーボックス １５、、、交換ユニット １６、、、ＥＰ−ＲＯＭカートリッジ １７、、、装置本体 １８、、、コネクタ １９、、、コントローラ 第２図は本発明の他の実施例の図。 １０１、、、感光体 １２１、、、感光体駆動歯車 １２２、、、磁性層 １２３、、、磁気ヘッド １２４、、、本体駆動系 １１５、、、交換ユニット １１７、、、装置本体 １１９、、− コントローラ 以上 FIG. 1 is a side view showing an embodiment of the present invention. printing paper photoreceptor charging device exposure equipment developer Transfer device cleaner eraser Paper feeding device , entry sensor gate roller , transfer paper guide , fixing paper guide 13. Fuser 14. Waste toner box 15. Replacement unit 16., EP-ROM cartridge 17. Device main body １８、、、Connector 19, controller FIG. 2 is a diagram of another embodiment of the present invention. 101, photoreceptor 121, photoconductor drive gear 122, magnetic layer 123, magnetic head 124, Main body drive system 115, Replacement unit 117,, device body 119,,- controller that's all
Claims (1)
成要素の少なくとも一部を、交換ユニットとして装置本
体に対し交換可能とした画像形成装置において、交換可
能とした前記構成要素の特性を特性情報として記憶し、
かつ前記構成要素が使用された量を使用量情報として書
き込み読取可能な不揮発性記憶媒体を前記交換ユニット
に設けるとともに、装置本体には、前記記憶媒体に記憶
された情報を読み取り、かつ前記構成要素の使用量情報
を前記記憶媒体に書き込む読取書き込み手段を設けたこ
とを特徴とする画像形成装置。In an image forming apparatus in which at least some of the constituent elements of an image forming process for forming a toner image on a printing paper surface are replaceable with respect to the main body of the apparatus as a replacement unit, characteristics of the constituent elements which are made replaceable are used as characteristic information. remember,
The replacement unit is provided with a non-volatile storage medium that can read and write the amount of usage of the component as usage information, and the device main body is provided with a non-volatile storage medium that can read and write the amount of usage of the component. An image forming apparatus comprising: reading/writing means for writing usage amount information on the storage medium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025877A JPH03230172A (en) | 1990-02-05 | 1990-02-05 | Image forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2025877A JPH03230172A (en) | 1990-02-05 | 1990-02-05 | Image forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03230172A true JPH03230172A (en) | 1991-10-14 |
Family
ID=12178017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2025877A Pending JPH03230172A (en) | 1990-02-05 | 1990-02-05 | Image forming device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03230172A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0784249A2 (en) * | 1996-01-09 | 1997-07-16 | Canon Kabushiki Kaisha | Image forming apparatus, and cartridge mountable in image forming apparatus |
| EP0821285A1 (en) * | 1996-07-26 | 1998-01-28 | Canon Kabushiki Kaisha | Image forming apparatus and process cartridge mountable to it |
| EP0913737A2 (en) * | 1997-10-28 | 1999-05-06 | Sharp Kabushiki Kaisha | Image forming apparatus, and recycle processing apparatus for recycling image forming unit |
| US5956541A (en) * | 1996-07-26 | 1999-09-21 | Canon Kabushiki Kaisha | Controlling image formation based on amount of developer recovered |
| US5995774A (en) * | 1998-09-11 | 1999-11-30 | Lexmark International, Inc. | Method and apparatus for storing data in a non-volatile memory circuit mounted on a printer's process cartridge |
| WO2000019278A1 (en) * | 1998-09-28 | 2000-04-06 | Oce Printing Systems Gmbh | Printing or copying system with a reusable container for consumable materials and method for using said container |
| US6198897B1 (en) * | 1999-09-17 | 2001-03-06 | Lexmark International, Inc. | Method and apparatus for correcting transfer belt position via stored parameters |
-
1990
- 1990-02-05 JP JP2025877A patent/JPH03230172A/en active Pending
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0784249A3 (en) * | 1996-01-09 | 1998-11-11 | Canon Kabushiki Kaisha | Image forming apparatus, and cartridge mountable in image forming apparatus |
| EP0784249A2 (en) * | 1996-01-09 | 1997-07-16 | Canon Kabushiki Kaisha | Image forming apparatus, and cartridge mountable in image forming apparatus |
| US6070022A (en) * | 1996-07-26 | 2000-05-30 | Canon Kabushiki Kaisha | Image forming apparatus having a system for performing image density adjustment by detecting light reflected off a photosensitive member |
| EP0821285A1 (en) * | 1996-07-26 | 1998-01-28 | Canon Kabushiki Kaisha | Image forming apparatus and process cartridge mountable to it |
| US5956541A (en) * | 1996-07-26 | 1999-09-21 | Canon Kabushiki Kaisha | Controlling image formation based on amount of developer recovered |
| EP0913737A2 (en) * | 1997-10-28 | 1999-05-06 | Sharp Kabushiki Kaisha | Image forming apparatus, and recycle processing apparatus for recycling image forming unit |
| EP0913737A3 (en) * | 1997-10-28 | 1999-07-28 | Sharp Kabushiki Kaisha | Image forming apparatus, and recycle processing apparatus for recycling image forming unit |
| US5995774A (en) * | 1998-09-11 | 1999-11-30 | Lexmark International, Inc. | Method and apparatus for storing data in a non-volatile memory circuit mounted on a printer's process cartridge |
| WO2000019278A1 (en) * | 1998-09-28 | 2000-04-06 | Oce Printing Systems Gmbh | Printing or copying system with a reusable container for consumable materials and method for using said container |
| US6366742B1 (en) | 1998-09-28 | 2002-04-02 | OCé PRINTING SYSTEMS GMBH | Printing or copying system with a reusable container for consumable materials and method for using said container |
| US6535697B2 (en) | 1998-09-28 | 2003-03-18 | OCé PRINTING SYSTEMS GMBH | Printer or copier system having re-employable container for consumables and method for the employment of the container |
| US6198897B1 (en) * | 1999-09-17 | 2001-03-06 | Lexmark International, Inc. | Method and apparatus for correcting transfer belt position via stored parameters |
| WO2001020405A1 (en) * | 1999-09-17 | 2001-03-22 | Lexmark International, Inc. | Method and apparatus for correcting transfer belt position via stored parameters |
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