EP0311646A1 - Multifunktionaler tonerbehälter für nichtmechanische druck- und kopiergeräte. - Google Patents
Multifunktionaler tonerbehälter für nichtmechanische druck- und kopiergeräte.Info
- Publication number
- EP0311646A1 EP0311646A1 EP87906160A EP87906160A EP0311646A1 EP 0311646 A1 EP0311646 A1 EP 0311646A1 EP 87906160 A EP87906160 A EP 87906160A EP 87906160 A EP87906160 A EP 87906160A EP 0311646 A1 EP0311646 A1 EP 0311646A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- toner
- toner container
- container
- holding device
- filling
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/10—Collecting or recycling waste developer
- G03G21/12—Toner waste containers
-
- 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
- G03G15/087—Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge
-
- 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
- G03G15/0875—Arrangements for supplying new developer cartridges having a box like shape
-
- 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
- G03G15/0884—Sealing of developer cartridges by a sealing film to be ruptured or cut
-
- 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
- G03G2215/0678—Bottle shaped container having a bottle neck for toner discharge
-
- 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
- G03G2215/069—Toner cartridge or other attachable and detachable container for supplying developer material to replace the used material using a sealing member to be ruptured or cut
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S222/00—Dispensing
- Y10S222/01—Xerography
Definitions
- Multifunctional toner container for non-mechanical printing and copying machines.
- the invention relates to a toner container according to the preamble of claim 1.
- charge images are recorded on a recording medium e.g. produced directly on an intermediate carrier (photoconductor drum) or directly on special paper and then colored with a black powder (toner) in a developer station.
- a recording medium e.g. produced directly on an intermediate carrier (photoconductor drum) or directly on special paper and then colored with a black powder (toner) in a developer station.
- an intermediate carrier photoconductor drum
- black powder toner
- a two-component developer is used for development, which consists of ferro-magnetic carrier particles and the toner particles carrying the color.
- the developer is guided past the charge pattern on the intermediate carrier by means of a magnetic brush arrangement, to which the toner sticks due to electrostatic forces.
- An electrophotographic copier that develops charge images according to the principle given is e.g. known from DE-AS 21.26 667.
- the toner concentration in the developer mixture of the developer station decreases continuously. It is therefore necessary to continuously add new toner to the developer mixture. Since the toner consumption per unit of time is very high in the case of fast copying machines and high-performance data printers, a spacious toner reservoir is used in such machines in order to avoid downtimes by refilling the toner. When this toner reservoir is empty, the toner, which is usually supplied in handy containers, is filled into the reservoir. It is important to fill the toner from the container into the reservoir so
- a device for filling and sieving toner from a container into a toner storage container is known.
- the toner located in a transport container namely a toner bottle
- a storage container in that the toner bottle is slipped into a filling opening of the storage container.
- a sieve basket Arranged in the area of the filling opening is a sieve basket which is closed with a sieve relative to the storage container and which is connected to an electrical vibrating device which can be triggered if necessary.
- the vibrating device is triggered by opening the cover closing the filling opening.
- the object of the invention is to design a toner container of the type mentioned at the outset in such a way that the toner can be easily transferred from this container into the printing or Can be transferred to the piercing device without toner consolidation occurring or the toner being spilled.
- the toner container has a funnel-shaped bottom with a deepest collecting area for the toner, with at least one container wall serving as a base for the container, the toner container can be completely emptied with the aid of a suction nozzle.
- the toner container can be placed anywhere on flat surfaces via the base.
- the wall slope of the side winch of the toner container prevents the toner from sticking to the side walls.
- the collecting effect in the container can be further increased by means of a vibrating device.
- the smooth wall surfaces of the toner container enable the containers to be stacked easily, which considerably facilitates the transport of several toner containers.
- the multifunctional toner container according to the invention is with regard adapted shaping of the suction device for the toner such that the operator of the printer unit a 'pollution-free change of the container is possible, wherein the toner container can also be used both as a container for fresh toner as a collecting container for used toner.
- Embodiments of the invention are shown in the drawings and are described in more detail below, for example. Show it
- FIG. 3 shows a schematic representation of the toner supply area of a printing device with inserted filled toner bottle before connection to the suction device
- FIG. 4 shows a schematic sectional illustration of the toner supply area of the printing device, partially in a sectional illustration with an almost completely empty toner container
- FIG. 6 shows a sectional view of the securing mechanism for the suction proboscis in the unlocked state
- FIG. 8 shows a schematic representation of the emptying area of the printing device with the inserted toner container as a collecting container.
- a printing device (not shown here) that works according to the electrophotographic principle contains a toner supply area (FIG. 3) for receiving a toner container 10 made of plastic with an associated suction device via which the powdery toner 11 is fed to a developer station (not shown) of the printing device becomes. Furthermore, an emptying area (FIG. 8) is provided in the printing device, in which an empty area Toner container 10 can be attached as a collecting container for the developer mixture when emptying the developer station.
- a charge image is colored with toner in a known manner using a two-component developer mixture of toner and carrier particles.
- this developer mixture has to be refreshed from time to time by adding toner, on the other hand, after a long period of operation, it is necessary to replace the entire developer mixture.
- the toner container 10 is designed to hold approximately 3 kg of toner powder. Its container walls form flat surfaces, a surface 12 being designed as a standing surface. The upper wall surfaces of the toner container form a cuboid with parallel surfaces, which enables space-saving stacking of the toner containers.
- a handle 13 .. is integrated into the wall surfaces so that, on the one hand, the toner container 10 can be carried easily, and on the other hand, stacking of several toner containers is not hindered.
- Adjacent to the stand area 12, the container walls 12/5 and 12/6 together with the container wall 12/1 and the stand area 12 form a funnel-shaped collecting area for the toner. Opposite this collecting area there is a filling and emptying opening 14 which can be closed with a lid 16 with a foam insert 9 which is secured in a captive manner via a tab 15.
- the collecting area and filling and emptying opening 14 are arranged relative to one another in such a way that, according to FIG. 1, the proboscis 18 inserted into the toner container from above penetrates to the collecting area after appropriate suction of the toner powder.
- the collecting area forms the lowest point of the toner container.
- the walls enclose an angle B which is less than 45 °.
- the toner supply area has a suction device for the toner and a corresponding holding device for the toner container 10.
- the suction device consists of the suction nozzle 18 which is vertically displaceably arranged between guide rods 19 and which is connected via a flexible suction pipe 20 to a fan of the printer, not shown here.
- the blower sucks the toner out of the toner container 10 via the suction nozzle and deposits it in the developer station.
- the suction nozzle 18 contains an inner tube 21 which is wedge-shaped at its lower end and which is connected to the flexible suction tube 20 and has suction openings 22 for the toner.
- the inner tube 21 is completely surrounded by an outer tube 23 arranged at a distance, which on the one hand has an air intake opening 24 opening to the surroundings at its upper part, and on the other hand, toner inlet openings 25 at its tip in the suction area.
- the distance and the guidance of the inner tube 21 becomes by means of causes spacer elements, not shown here, which can consist, for example, of three foam strips evenly distributed around the circumference.
- the door entry openings 25 can be covered by a toner screen covering the suction area of the suction nozzle.
- the suction nozzle itself is arranged so that it can be moved vertically by means of a handle 26.
- support elements 27 are provided which guide the suction nozzle between guide rods 19.
- the suction nozzle 18 is surrounded by a sleeve in the form of a rubber bellows 28.
- This sleeve 28 is fastened to the carrier elements 27 at the top and bottom, the lower carrier element 27 being designed as an adapter for connecting the toner container 10 and as a lower guide for the suction nozzle 18.
- the adapter is arranged in a stationary manner and contains an annular wiper ring 29 (FIG. 7) for wiping off toner residues from the suction nozzle 18.
- the actual connection part for the toner container consists of a foam sealing ring 30 for the filling and emptying opening and a cutting ring 31 which has the task of cutting through the film 17 when the toner container 10 is inserted.
- the receiving device contains a receiving container 32 for the toner container, which has two wall surfaces, between which holding rods 33 for the toner container are arranged.
- the receptacle 32 is pivotally attached to a rotary hinge 34, with which the receptacle 32 can be pivoted out of the interior of the receiving area (device compartment) of the printer.
- the receptacle 32 can also be pivoted vertically about the fastening axis 35 on the rotary hinge 34 and has a tensioning mechanism 36 which interacts with a corresponding hook 37 on the adapter of the suction devices.
- a latch 38 in a side wall of the receptacle 32 which cooperates with a corresponding pin 39 of a spring rod 40 which is resiliently mounted in the adapter.
- the lifting rod 40 mounted in the adapter is connected via a toggle lever 41 to a holding pin 42 attached to it.
- a spring 43 envelops the lifting rod 40.
- the function of the device described is now as follows:
- the toner container 10 with film seal 17 and opened lid 16 is pivoted in the receptacle 32 via the rotary hinge 34 into the interior of the receiving area of the printer.
- a tensioning mechanism 36 brings the toner container 10 arranged in the receiving container 32 into engagement by rotation about the fastening axis 35
- the suction nozzle 18 is released by the securing mechanism of FIGS. 5 and 6.
- the suction nozzle 18 is fixed by a retaining pin 42 which is connected to the toggle lever mechanism 41.
- the pin 39 on the lifting rod 40 engages with the latching lug 38 arranged on the receptacle with the associated ramp.
- the lifting rod 40 is raised and the holding pin 42 moved by the toggle lever 41 releases the suction nozzle 18.
- the suction nozzle 18 penetrates into the toner container 10 and thereby presses the slit, only on one tab hanging foil seal 17 into the bottle interior, where the actual toner delivery can now begin. A pivoting of the receptacle 32 when the suction nozzle 18 is inserted is prevented by the locking nose 38.
- the suction nozzle 18 is pulled out of the toner container 10 by means of the handle 26.
- the toner adhering to the suction nozzle 18 is removed when it is pulled out by the scraper ring 29 and falls back into the interior of the bottle.
- the rubber bellows 28 covers the suction nozzle 18, which is possibly still slightly dirty, and thus offers protection against contact.
- the compression spring 43 can press the lifting rod 40 downward and thereby lock the suction nozzle 18 with the retaining pin 42.
- the pin 39 which interacts with the locking lug 38 is released and the receptacle 32 with the toner container 10 can be pivoted away.
- a vibrating device can be provided in the receiving area (FIG. 4), which e.g. consists of a knocking hammer 46 which is arranged pivotably in the receiving device and which can be deflected against a spring force 47 by means of an electromagnet 48.
- This pounding hammer 46 forms a type of vibrating device which detaches any toner that may still be adhering to the inner walls of the toner container 10.
- the Residual toner remaining in the drum is conveyed away from the photoconductor drum by a brush cleaning station which is connected to a vacuum and separated by a cyclone filter into a collecting container.
- an empty toner container 10 can serve as a collecting container for this residual toner.
- an empty toner container is inserted into a holding container 49, which has a wedge-shaped insert 40 in its base area, which is shaped in accordance with the base surface area 12 of the toner container 10.
- the holding container 49 with the empty toner container 10 arranged therein can be fastened to the hook 53 of the outlet pipe 54 of the cyclone filter (not shown here) by means of corresponding clamping mechanisms 51 and 52.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Sustainable Development (AREA)
- Dry Development In Electrophotography (AREA)
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19863633606 DE3633606A1 (de) | 1986-10-02 | 1986-10-02 | Multifunktionaler tonerbehaelter fuer nichtmechanische druck- und kopiergeraete |
DE3633606 | 1986-10-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0311646A1 true EP0311646A1 (de) | 1989-04-19 |
EP0311646B1 EP0311646B1 (de) | 1990-01-03 |
Family
ID=6310925
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP87906160A Expired - Lifetime EP0311646B1 (de) | 1986-10-02 | 1987-09-25 | Multifunktionaler tonerbehälter für nichtmechanische druck- und kopiergeräte |
Country Status (5)
Country | Link |
---|---|
US (1) | US4990964A (de) |
EP (1) | EP0311646B1 (de) |
JP (1) | JPH02500055A (de) |
DE (2) | DE3633606A1 (de) |
WO (1) | WO1988002504A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2154580A2 (de) | 2002-05-24 | 2010-02-17 | Océ Printing Systems GmbH | Vorrichtung und Verfahren zum Dosieren von Tonermaterial in einem elektrofotografischen Drucker oder Kopierer |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3916377C2 (de) * | 1989-05-18 | 1994-06-30 | Berolina Schriftbild | Verfahren zum Umgestalten einer Entwicklerstation für Laserdrucker |
JPH0391784A (ja) * | 1989-09-04 | 1991-04-17 | Matsushita Graphic Commun Syst Inc | 液体現像装置及び貯蔵器 |
AU1812392A (en) * | 1991-07-12 | 1993-01-14 | Minnesota Mining And Manufacturing Company | Bottle keying system |
US5360133A (en) * | 1994-01-14 | 1994-11-01 | Eastman Kodak Company | Bulk material container with a support stand therefor |
US5495323A (en) * | 1994-02-28 | 1996-02-27 | Xerox Corporation | Clean spiral toner cartridge |
DE19541062A1 (de) * | 1995-11-03 | 1996-09-26 | Siemens Nixdorf Inf Syst | Entwicklerstation für ein elektrografisches Druck- oder Kopiergerät |
US5576816A (en) * | 1996-01-11 | 1996-11-19 | Xerox Corporation | Toner cartridge internal plug |
US5794107A (en) * | 1996-09-09 | 1998-08-11 | Xerox Corporation | Toner container with molded spring |
DE19652860C2 (de) * | 1996-12-18 | 2002-03-21 | Oce Printing Systems Gmbh | Vorrichtung zum Fördern von Tonermaterial aus einem Vorratsbehälter |
US5797073A (en) * | 1997-03-13 | 1998-08-18 | Xerox Corporation | Toner container with biased closure |
US5812915A (en) * | 1997-11-07 | 1998-09-22 | Xerox Corporation | Press fit fill plugs with uniform sealing ability |
US5857129A (en) * | 1997-11-10 | 1999-01-05 | Xerox Corporation | Toner container with foolproof adaptor |
US5852760A (en) * | 1997-11-10 | 1998-12-22 | Xerox Corporation | Toner container with snap-on torque bearing adaptor |
GB2333504B (en) * | 1998-01-21 | 2002-10-23 | Eastman Kodak Co | Container |
EP1993003B1 (de) | 2001-02-19 | 2011-08-24 | Canon Kabushiki Kaisha | Tonerzufuhrbehälter und Tonerzufuhrsystem |
DE10223231A1 (de) * | 2002-05-24 | 2003-12-24 | Oce Printing Systems Gmbh | Verfahren und Vorrichtung zum Fördern von Tonermaterial aus einem Vorratsbehälter |
DE10223232B4 (de) * | 2002-05-24 | 2004-06-03 | OCé PRINTING SYSTEMS GMBH | Verfahren und Vorrichtung zum Fördern von Tonermaterial aus einem Vorratsbehälter sowie zugehöriger Tonervorratsbehälter |
EP1923751A1 (de) * | 2006-11-16 | 2008-05-21 | Punch Graphix International N.V. | Pneumatische Tonerzuführung |
JP2008242165A (ja) * | 2007-03-28 | 2008-10-09 | Oki Data Corp | 現像剤収納装置及び画像形成装置 |
JP5747590B2 (ja) * | 2011-03-18 | 2015-07-15 | 株式会社リコー | トナー容器及び画像形成装置 |
DE102011119383B4 (de) * | 2011-11-25 | 2013-11-28 | Turbon AG | Vorrichtung und Verfahren zur Verwertung von Toner-Restmengen aus unterschiedlichen Tonerkartuschen für Drucker oder Kopierer vor dem Recyceln derselben |
CN104960788A (zh) * | 2015-06-09 | 2015-10-07 | 周治刚 | 可限量倒出储料的容器 |
EP3386725B1 (de) * | 2016-05-12 | 2020-11-25 | Hewlett-Packard Development Company, L.P. | Baumaterialbehälter und sammelrohrstruktur |
CN111670120B (zh) | 2018-05-15 | 2022-04-15 | 惠普发展公司,有限责任合伙企业 | 密封件移除结构 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1416347A (en) * | 1920-07-21 | 1922-05-16 | George G Gregory | Bottle |
US3784297A (en) * | 1970-03-11 | 1974-01-08 | Canon Kk | Photocopying machine |
US3883240A (en) * | 1970-03-11 | 1975-05-13 | Canon Kk | Electrophotographic copying machine |
US3858763A (en) * | 1974-02-14 | 1975-01-07 | John A Mack | Dispensing apparatus for de-icing roadways and like surfaces |
US4109827A (en) * | 1977-05-09 | 1978-08-29 | Allied Industries Inc. | Method of discharging particulate material from a hopper |
FR2432983A1 (fr) * | 1978-08-11 | 1980-03-07 | Commissariat Energie Atomique | Ensemble de transfert pneumatique d'un materiau pulverulent |
US4274455A (en) * | 1979-04-13 | 1981-06-23 | Tbs, Inc. | Toner loading device |
US4289092A (en) * | 1979-09-28 | 1981-09-15 | Xerox Corporation | Liquid development fountain |
DE3116870C1 (de) * | 1981-04-28 | 1982-10-28 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zum Einfuellen von Toner aus einem Behaelter in einen Vorratsbehaelter |
DE3224296C1 (de) * | 1982-06-29 | 1983-06-09 | Siemens AG, 1000 Berlin und 8000 München | Vorrichtung zum Einfuellen und Sieben von Toner aus einem Behaelter in einen Tonervorratsbehaelter |
WO1985000902A1 (en) * | 1983-08-12 | 1985-02-28 | Franz Büttner Ag | Toner filling device |
DE8500902U1 (de) * | 1985-01-16 | 1985-08-14 | Robert Bosch Gmbh, 7000 Stuttgart | Druckluftaufbereitungsvorrichtung |
-
1986
- 1986-10-02 DE DE19863633606 patent/DE3633606A1/de not_active Withdrawn
-
1987
- 1987-09-25 WO PCT/DE1987/000440 patent/WO1988002504A1/de active IP Right Grant
- 1987-09-25 EP EP87906160A patent/EP0311646B1/de not_active Expired - Lifetime
- 1987-09-25 JP JP62505725A patent/JPH02500055A/ja active Pending
- 1987-09-25 US US07/348,668 patent/US4990964A/en not_active Expired - Lifetime
- 1987-09-25 DE DE8787906160T patent/DE3761344D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
Title |
---|
See references of WO8802504A1 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2154580A2 (de) | 2002-05-24 | 2010-02-17 | Océ Printing Systems GmbH | Vorrichtung und Verfahren zum Dosieren von Tonermaterial in einem elektrofotografischen Drucker oder Kopierer |
Also Published As
Publication number | Publication date |
---|---|
DE3633606A1 (de) | 1988-04-14 |
JPH02500055A (ja) | 1990-01-11 |
EP0311646B1 (de) | 1990-01-03 |
WO1988002504A1 (en) | 1988-04-07 |
DE3761344D1 (de) | 1990-02-08 |
US4990964A (en) | 1991-02-05 |
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