EP1548519A2 - Kartuschensystem mit Tonernachfull und Verfahren zur Durchführung - Google Patents

Kartuschensystem mit Tonernachfull und Verfahren zur Durchführung Download PDF

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Publication number
EP1548519A2
EP1548519A2 EP04300941A EP04300941A EP1548519A2 EP 1548519 A2 EP1548519 A2 EP 1548519A2 EP 04300941 A EP04300941 A EP 04300941A EP 04300941 A EP04300941 A EP 04300941A EP 1548519 A2 EP1548519 A2 EP 1548519A2
Authority
EP
European Patent Office
Prior art keywords
cartridge
refill
piston
toner
piston body
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.)
Withdrawn
Application number
EP04300941A
Other languages
English (en)
French (fr)
Other versions
EP1548519A3 (de
Inventor
Paolo M. Moro
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sagemcom Documents SAS
Original Assignee
Sagem SA
Sagem Communications SAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sagem SA, Sagem Communications SAS filed Critical Sagem SA
Priority to EP13171318.2A priority Critical patent/EP2662733A3/de
Publication of EP1548519A2 publication Critical patent/EP1548519A2/de
Publication of EP1548519A3 publication Critical patent/EP1548519A3/de
Withdrawn legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0894—Reconditioning of the developer unit, i.e. reusing or recycling parts of the unit, e.g. resealing of the unit before refilling with toner
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • G03G15/0855—Detection or control means for the developer concentration the concentration being measured by optical means
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0865—Arrangements for supplying new developer
    • G03G15/0867—Arrangements for supplying new developer cylindrical developer cartridges, e.g. toner bottles for the developer replenishing opening
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/08—Apparatus for electrographic processes using a charge pattern for developing using a solid developer, e.g. powder developer
    • G03G15/0822—Arrangements for preparing, mixing, supplying or dispensing developer
    • G03G15/0877—Arrangements for metering and dispensing developer from a developer cartridge into the development unit
    • G03G15/0881—Sealing of developer cartridges
    • G03G15/0886—Sealing of developer cartridges by mechanical means, e.g. shutter, plug
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G2215/0665—Generally horizontally mounting of said toner cartridge parallel to its longitudinal rotational axis
    • G03G2215/067—Toner discharging opening covered by arcuate shutter
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/06—Developing structures, details
    • G03G2215/066—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material
    • G03G2215/0663—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
    • G03G2215/0675—Generally cylindrical container shape having two ends

Definitions

  • This refill cartridge system offers a cartridge of toner which, when empty, can be recharged once only by means of a refill adapted to this cartridge.
  • the invention also relates to a method for implementing this system.
  • the invention finds applications in the field of printing.
  • it finds applications in the field of the field of printing by computer devices, such as printers, photocopiers or fax machines.
  • this toner is placed in a cartridge located inside the printing device.
  • Each toner cartridge is for a limited number of printed pages, for example 3000 or 5000 pages.
  • the cartridge is empty, two possibilities are available currently to the user of the device: either he replaces the empty cartridge by a new full cartridge, or it refills the cartridge with bottled toner.
  • the change of a cartridge has the disadvantage of presenting a cost relatively high. Indeed, an entire cartridge has a significantly higher cost important than bottled toner.
  • some users choose fill the cartridge with toner sold in bottle. In this case, for fill the cartridge, the user must open the cartridge, then open the toner bottle, and pour the toner directly into the cartridge.
  • the Toner is a fine powder that flies away easily, especially when it is transferred from one container to another container.
  • this fine powder is colorful. So it messes up the elements around the cartridge to fill as well as the hands and clothes of the user.
  • the fact to open the cap of the cartridge also causes dirt on the hands of the user and may, in addition, damage the plug. This technique is therefore not only messy, but in addition it is relatively long to implement.
  • this technique does not make it possible to control the duration of life of the cartridge components and, in particular, rollers of the cartridge that can become dirty, or wear out, and deteriorate the quality of printing, or even make the printing device unusable.
  • US-5 594 535 discloses a refillable toner cartridge using plastic bags. soft plastics containing toner. The plastic bag containing the toner is placed, upside down, in the cartridge and, when opening this bag, the toner flows into the cartridge. This cartridge can receive several stacked toner bags, that is, placed one above the other as the previous bag is empty. However, to open each of these bags, it is necessary to pull on a sealing tab (called seal, in Anglo-Saxon terms). Now, one side of this tongue is in direct contact with the toner. This tongue is covered with toner and may soil the user when the user removes it.
  • seal in Anglo-Saxon terms
  • tongues are relatively fragile and it is common for them to break when the user pulls on it to open the refill. The user is then forced to remove the refill from the cartridge, with all the disadvantages that this entails, especially if the recharge has been partly opened by the tongue.
  • US-A-5,907,747 describes another type of refill for toner cartridge.
  • This refill has a shape substantially identical to the shape of the cartridge and it fits into the receptacle of the cartridge. The lid of the cartridge then comes to rest on top of the refill to seal the whole. When the cartridge is closed, with the charging inside, the user has to pull a tab to open the refill.
  • This recharge therefore has the same disadvantages than those previously stated.
  • the invention proposes a single toner refill cartridge system having a cartridge full of toner and a refill to insert into the cartridge, so simple and clean, when the cartridge is empty.
  • the refill is cylindrical in shape, adapted to the shape of the cartridge. The recharge is inserted in the cartridge, from one side of the cartridge, after removal of a sealing plug, then it undergoes a rotation to the inside of the cartridge so that the toner it contains falls in the cartridge.
  • the refill cartridge system of the invention thus makes it possible to reload the toner cartridge cleanly, without the user being at any time in direct contact with the toner. It allows also to ensure complete recycling of the cartridge assembly and because when the refill has been introduced into the cartridge, it can not be removed from the cartridge. Also, when the refill is empty, the user returns the cartridge and refill assembly to the manufacturer who then, at its disposal, all "dirty" items requiring recycling.
  • This system also has the advantage of allowing the manufacturer to check the service life of the components and, in particular, their clogging by limiting the possible number of printed pages. In other words, if the manufacturer knows that the components have a life of 10000 pages it adapts the amount of toner in the cartridge and recharges it so the total number of pages does not exceed 10000.
  • This system also has the advantage of being less expensive for the user only two cartridges, for the same number of pages, with a good print guarantee;
  • the refill comprises a piston and a body of piston, the piston being rotatable relative to the piston body, around a longitudinal axis of rotation.
  • FIG. 1 shows an exploded view of the cartridge 1 and recharge 2 of the system according to the invention.
  • the cartridge 1 comprises a receptacle 10 intended to contain the toner used for printing.
  • This receptacle 10 is closed by a cover 11 of semi-cylindrical shape.
  • the opening face 12b is closed by a cover 14 which seals the toner to inside the cartridge, before using the refill.
  • This operculum 14 is a perforable film that can be made of a plastic material, like a very thin polycarbonate, or aluminum.
  • This operculum 14 is sealed in the opening face 12b of the cartridge 1 by any means of sealing known.
  • This operculum 14 is sufficiently thin to be able to be pierced by means of a point or a pin. It can also be thinned in some places to facilitate its drilling in these places. Indeed, this operculum is intended to be pierced by the refill 2 when introducing said refill in the cartridge 1.
  • Refill 2 has a cylindrical shape, adapted to the shape of the cartridge to be introduced.
  • This refill 2 comprises a piston 21 and a piston body 20, which can be made of the same material or else in two different materials.
  • the piston body 20 comprises a half-cylinder 22c which ends, at both ends, by circular rings 22a and 22b.
  • the body of piston 20 can be molded, in its entirety, in a plastic material.
  • This second flange is a pellet of circular shape, fixed on the half-cylinder 25 by any known fastening means or molded with half-cylinder 25.
  • this second flange comprises a tip, or pawn, preferably in the center of the collar, for perforating the cover 14 at the beginning of the insertion of the refill in the cartridge 1, by the opening face 12b.
  • the piston body 20 and the piston 21 have complementary shapes one from the other. More specifically, the half-cylinder 22c of the piston body and the half cylinder 25 of the piston are, in a closed position, placed opposite face so as to form, together, a closed cylinder. In a position open, the two half-cylinders are placed one above the other so to form an open cylinder over a large part of its length.
  • Half cylinders 22c of the piston body and the piston 25 may each have a circumference substantially equal to half of the closed cylinder they form when they are face to face.
  • These half-cylinders 22c and 25 can also each have a circumference greater than half the cylinder closed ; in this case, a part, on either side of each half-cylinder, overlaps part of the other half-cylinder.
  • the circumferences of the two Half cylinders may be different from each other or, conversely, substantially equal.
  • the toner is placed inside the cylinder formed by the piston body 20 and the piston 21.
  • the piston comprises, on the first flange 23, a rotation handle 24 which allows to undergo the piston 21, a rotation about a longitudinal axis of rotation.
  • the piston 21 therefore rotates relative to the piston body 20 which is fixed.
  • the flange 23 turns along the ring 22b driving the piston inside the body of piston.
  • the piston can thus be rotated by half a turn, that is to say from half of the circumference of the refill. He then comes to parallel to the piston body 20, inside said piston body, leaving a wide opening in the refill to allow the evacuation of the toner out of the refill, to the receptacle 10 of the cartridge.
  • the refill 2 has a closed position in which it contains the toner and an open position in which it is empty, the toner located in the receptacle 10 of the cartridge 1.
  • the closed position of the charging is shown in Figure 2, in a sectional view according to the arrows AA of Figure 1.
  • This figure 2 shows that, in its closed position, the half-cylinder 25 of the piston 21 and the half-cylinder 22c of the piston body 20 are placed face to face. The toner T is then trapped in the two half-cylinders.
  • FIG. 3B This open position of the refill is shown in FIG. 3B, according to a sectional view along the arrows AA of Figure 1. As shown in this Figure 3B, when the refill is in its open position, the toner may escape from the refill. It then falls into the receptacle of the cartridge.
  • FIG. 3A shows, in a sectional view, the refill of the invention when in an intermediate position, between the position closed and the open position.
  • the toner begins to escape from the recharge by the opening made between two half-cylinders.
  • a user having an empty toner cartridge can fill the cartridge in the following way: it presents the refill 2 in front of the opening face 12b of the cartridge 1 and introduces the refill into the cartridge.
  • a tip on the refill pierces the operculum 14 which tears and is distributed all around recharge.
  • the user can then push the recharge until the flange 23 is in the opening face 12b.
  • the user turns the knob 24 to move the recharge of its closed position in its open position.
  • a slot 15 can be made in the opening face of the cartridge, intended to receive a rod 26 made on the body of piston.
  • the piston body 20 is not totally cylindrical; it comprises at least one rod 26, or bar lateral, made of the same material as the entire piston body, and protruding from said piston body.
  • This set of slit 15 and rod 26 forms a guiding device which allows, on the one hand, to avoid any risk of incorrect positioning of the refill in the cartridge and, on the other hand, to guide the refill all along the cartridge.
  • operculum 14 is not necessarily present on the opening face 12b of the cartridge.
  • the cartridge of the system of the invention comprises a plug closing the receptacle and sealing the toner in the cartridge. if there is no seal, when the user wants to put the refill, he removes the plug and it directly enters the refill into the cartridge. As the cartridge is empty, the user has little risk of getting dirty. The cover brings the same advantage to ensure perfect cleanliness the user is never in contact with the toner.
  • an adhesive tape may be placed in a join of the two half-cylinders 25 and 22c. So, this tape prevents accidental rotation of the piston in the piston body. This tape must then be torn when introduced into the cartridge, to allow the rotation of the piston when the refill is in the cartridge.
  • the cartridge comprises, on one of the walls of the receptacle, a pin that ensures the tearing of the adhesive tape, all along recharge, at the time of the introduction of the refill in the cartridge.
  • FIGS. 4A and 4B show the front part of the system cartridge and refill of the invention, when the refill is introduced in the cartridge.
  • These figures show the collar 23 of the refill introduced into a device for holding the cartridge.
  • This device retaining comprises clips 30 made on the opening face 12b of the cartridge. These clips can be fixed or overmolded on the contour of the opening face 12b of the cartridge. These retaining clips form clamps which are located opposite notches 31 made in the collar 23 of the recharge. The clips 30 and the notches 31 are made to what they are facing each other when charging is in closed position, as shown in Figure 4A.
  • the retaining clips are also used to make a device non-return device shown in FIG. 5.
  • This non-return device or anti-disassembly, is intended to prevent the user from turning the joystick 24 rotation in the opposite direction (opposite direction as shown by the arrows in Figure 5), once the refill has been opened.
  • This non-return device comprises at least one pawl 32 made on the flange 23 of the refill.
  • This pawl 32 is a projection of square or rectangular shape, having an increasing thickness. Specifically, the surface of the protrusion form a rising slope, with respect to the surface of the flange 23, ending with a right descending front.
  • the pawl 32 is inserted under one of the retaining clips by its less thick side then it is pushed under the clip until, finally, it exceeds the clip. The clip is then next to the front descending right of the ratchet. So, if the user wants to turn the joystick in in the opposite direction, the right front of the pawl 32 abuts against the clip 30, preventing any rotation.
  • Figures 6A and 6B show a one-way rotation device of the system of the invention.
  • This device consists of a pawn 33 made to the inside of the piston body 20, for example inside the ring 22b, and in a groove 34 made outside the piston 21.
  • the pin 33 fixed on the piston body or molded with the piston body.
  • This pawn is intended for be introduced into the groove 34 of the piston.
  • the throat 34 of the piston is made at least part of the circumference of the piston, corresponding to a half rotation turn of the joystick 24. Initially, when the recharge is in the closed position, the pin 33 is at one end of the groove 34. When the piston rotates in the piston body, the pin 33 moves, in the groove 34, in the direction of rotation allowed.
  • the pin 33 is in stop against the edge of the groove 34, which prevents any rotation in this reverse.
  • the throat being performed on only half of the circumference of the refill (which corresponds to a half turn of the handle), when the pawn reaches the other end of the throat, it stops on the edge of the throat.
  • the displacement of the piston is therefore limited in this sense also, so that the piston can not rotate more than 180 ° in the piston body. It is therefore impossible to rotate the piston beyond the opening position of the refill.
  • the introduction of the refill in the cartridge is very simple. Just remove the cap from the cartridge and introduce the refill in the cartridge by piercing the operculum, if it exists, thanks to a adapted tip attached to the refill. This tip does not need to be very sharp and is therefore not dangerous for the user.
  • the recharge is then inserted into the cartridge until the first flange of the recharge is in the center of the opening face of the cartridge. Setting in place of the refill in the cartridge is very easy since it does not requires only two movements of the user to install it.
  • this implementation is secured by various devices, know guiding, locking, anti-return and rotation devices in one direction, which prevents any positioning or Incorrect rotations of the refill in the cartridge.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Dry Development In Electrophotography (AREA)
EP04300941A 2003-12-23 2004-12-23 Kartuschensystem mit Tonernachfull und Verfahren zur Durchführung Withdrawn EP1548519A3 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13171318.2A EP2662733A3 (de) 2003-12-23 2004-12-23 Tonernachfüllkartuschensystem und sein Umsetzungsverfahren

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0351176A FR2864262B1 (fr) 2003-12-23 2003-12-23 Systeme de cartouche a recharge de toner et son procede de mise en oeuvre
FR0351176 2003-12-23

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP13171318.2A Division EP2662733A3 (de) 2003-12-23 2004-12-23 Tonernachfüllkartuschensystem und sein Umsetzungsverfahren

Publications (2)

Publication Number Publication Date
EP1548519A2 true EP1548519A2 (de) 2005-06-29
EP1548519A3 EP1548519A3 (de) 2010-04-14

Family

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Family Applications (2)

Application Number Title Priority Date Filing Date
EP04300941A Withdrawn EP1548519A3 (de) 2003-12-23 2004-12-23 Kartuschensystem mit Tonernachfull und Verfahren zur Durchführung
EP13171318.2A Withdrawn EP2662733A3 (de) 2003-12-23 2004-12-23 Tonernachfüllkartuschensystem und sein Umsetzungsverfahren

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP13171318.2A Withdrawn EP2662733A3 (de) 2003-12-23 2004-12-23 Tonernachfüllkartuschensystem und sein Umsetzungsverfahren

Country Status (2)

Country Link
EP (2) EP1548519A3 (de)
FR (1) FR2864262B1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8155558B2 (en) 2008-02-22 2012-04-10 Samsung Electronics Co., Ltd. Developing cartridge, image forming apparatus having the same, and printing method for an image forming apparatus
CN110187622A (zh) * 2019-06-11 2019-08-30 珠海市汇威打印机耗材有限公司 一种碳粉筒的加粉组件及碳粉筒
CN113366391A (zh) * 2019-09-24 2021-09-07 惠普发展公司，有限责任合伙企业 具有自动再填充结构的调色剂再填充盒
US11209754B2 (en) * 2018-08-30 2021-12-28 Hewlett-Packard Development Company, L.P. Structure for selectively locking toner inlet shutter of toner refill portion
US11333995B2 (en) * 2018-04-27 2022-05-17 Hewlett-Packard Development Company, L.P. Supplying refill toner to mounted toner cartridge

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20230022545A (ko) * 2021-08-09 2023-02-16 휴렛-팩커드 디벨롭먼트 컴퍼니, 엘.피. 토너 배출 완료 여부가 표시되는 토너 리필 카트리지

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US5034776A (en) * 1988-02-19 1991-07-23 Minolta Camera Kabushiki Kaisha Copying machine and toner supply container therefor

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JPS63208073A (ja) * 1987-02-25 1988-08-29 Fuji Xerox Co Ltd トナ−カ−トリツジ補給装置
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JPH0720679Y2 (ja) * 1988-03-01 1995-05-15 株式会社リコー トナー補給装置及びそのトナーカートリッジ
JPH0725806Y2 (ja) * 1989-10-19 1995-06-07 沖電気工業株式会社 トナーカートリッジ
US5594535A (en) * 1995-11-07 1997-01-14 Hewlett-Packard Company Refillable toner cartridge
US5887232A (en) * 1995-12-08 1999-03-23 Hewlett-Packard Company Apparatus for dispensing toner in an electrophotographic printing system
US5907747A (en) 1998-02-02 1999-05-25 Ward Sealing, Inc. Prefilled, presealed toner cartridge insert
JP3602008B2 (ja) * 1999-07-30 2004-12-15 株式会社沖データ トナーカートリッジおよびその製造方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60147770A (ja) * 1984-01-11 1985-08-03 Konishiroku Photo Ind Co Ltd 静電荷像現像剤容器
JPS60254067A (ja) * 1984-05-30 1985-12-14 Konishiroku Photo Ind Co Ltd 現像剤容器
US5034776A (en) * 1988-02-19 1991-07-23 Minolta Camera Kabushiki Kaisha Copying machine and toner supply container therefor

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8155558B2 (en) 2008-02-22 2012-04-10 Samsung Electronics Co., Ltd. Developing cartridge, image forming apparatus having the same, and printing method for an image forming apparatus
EP2093619B1 (de) * 2008-02-22 2013-12-25 Samsung Electronics Co., Ltd. Bilderzeugungsvorrichtung
US11333995B2 (en) * 2018-04-27 2022-05-17 Hewlett-Packard Development Company, L.P. Supplying refill toner to mounted toner cartridge
US11209754B2 (en) * 2018-08-30 2021-12-28 Hewlett-Packard Development Company, L.P. Structure for selectively locking toner inlet shutter of toner refill portion
CN110187622A (zh) * 2019-06-11 2019-08-30 珠海市汇威打印机耗材有限公司 一种碳粉筒的加粉组件及碳粉筒
CN110187622B (zh) * 2019-06-11 2024-02-06 珠海市汇威精密制造有限公司 一种碳粉筒的加粉组件及碳粉筒
CN113366391A (zh) * 2019-09-24 2021-09-07 惠普发展公司，有限责任合伙企业 具有自动再填充结构的调色剂再填充盒

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FR2864262B1 (fr) 2006-03-24
EP2662733A3 (de) 2014-02-19
EP1548519A3 (de) 2010-04-14
EP2662733A2 (de) 2013-11-13

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