EP1828850A2 - Verfahren, vorrichtung und computerprogramm zum erzeugen eines entwicklergemisches in einer elektrografischen entwicklerstation - Google Patents
Verfahren, vorrichtung und computerprogramm zum erzeugen eines entwicklergemisches in einer elektrografischen entwicklerstationInfo
- Publication number
- EP1828850A2 EP1828850A2 EP05811331A EP05811331A EP1828850A2 EP 1828850 A2 EP1828850 A2 EP 1828850A2 EP 05811331 A EP05811331 A EP 05811331A EP 05811331 A EP05811331 A EP 05811331A EP 1828850 A2 EP1828850 A2 EP 1828850A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- developer
- toner
- developer station
- station
- mixture
- 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
- G03G15/00—Apparatus for electrographic processes using a charge pattern
- G03G15/55—Self-diagnostics; Malfunction or lifetime display
- G03G15/553—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job
- G03G15/556—Monitoring or warning means for exhaustion or lifetime end of consumables, e.g. indication of insufficient copy sheet quantity for a job for toner consumption, e.g. pixel counting, toner coverage detection or toner density measurement
-
- 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
-
- 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
- G03G15/0844—Arrangements for purging used developer from the developing unit
-
- 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
- G03G2215/00—Apparatus for electrophotographic processes
- G03G2215/06—Developing structures, details
- G03G2215/0602—Developer
- G03G2215/0604—Developer solid type
- G03G2215/0607—Developer solid type two-component
- G03G2215/0609—Developer solid type two-component magnetic brush
-
- 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
- G03G2215/08—Details of powder developing device not concerning the development directly
- G03G2215/0888—Arrangements for detecting toner level or concentration in the developing device
Definitions
- the invention relates to a method and apparatus for generating a developer mixture in a developer station for an electrographic printer or copier.
- Such devices operate according to the electrographic principle, in which image information is transmitted by e.g. electrical, magnetic and / or optical signals are generated as electrical charge or magnetic fields on an intermediate carrier point by point and the intermediate carrier is dot-wise inked with toner.
- the coloring is accomplished in particular with a two-component developer mixture and can be done by means of a magnetic brush produced with magnets or by the so-called toner jump principle.
- the developer mixture contains charged and / or magnetized particles, so-called carrier particles, and toner.
- the toner image is then on a recording medium, especially on paper, reprintable.
- a printing device operating according to the electrophotographic principle in which the image information is generated by means of light on a photoconductive layer is known from DE-C1-19540138. From WO-Al-98/27472 a developer station operating according to the toner jump method is known.
- US-A-4, 511, 639 discloses a process for regenerating a developer mixture in an electrophotographic printing machine. System known. Although such methods can increase the life of the developer mixture, it is sometimes necessary to completely renew the mixture to ensure high quality of the printed images.
- EP-B1-016935 a printing device is known in which various units are provided with an electronic memory element in which unit-specific values can be permanently stored.
- ferromagnetic carrier particles and toner filled in the developer station. This achieves a process parallelization of the two filling processes.
- a clear time optimization is achieved.
- the developer stations each have their own device for monitoring the aging state of the mixture, for example a counter for the number of times the mixture is mixed printed pages, but that an exchange of several developer mixtures simultaneously for all these mixtures, as soon as a first mixture has reached its life limit, for example by reaching a predetermined upper counter limit of the page counter continue
- the simultaneous replacement of a further developer mixture can be made dependent on whether its age state has reached a certain minimum degree of substitution, for example if its page counter has reached a so-called lower replacement limit which is below the said upper counter limit value.
- three phases for creating a developer mixture are: Carrier filling, tinting (i.e., filling in toner), and mixing.
- the filled carrier has no toner. In order to be able to print, a certain toner concentration must be present. To achieve this, a newly filled mixture is toned. In this case, a fixed number of delivery cycles are performed, which transport the necessary amount of toner to the carrier.
- the carrier and the toner must be mixed to obtain an even distribution and to charge electrically. This charging of the carrier and especially of the toner is necessary to be able to carry out the printing process at all.
- the individual processes are filled with carriers and tinting is carried out at the same time.
- the two processes can be coordinated so that first the carrier is filled and after a defined time the Auftoner mixes connects. The time is reasonable for some carrier to be in the developer station before the first toner is added. Both In particular, processes end at the same time.
- the mixing takes place in particular simultaneously with the other two processes.
- the parallel operations of conveying the carrier and toner simultaneously fulfill the function of the mixing phase.
- a method for computer-assisted changing of a developer mixture in a developer station of an electrographic printing apparatus comprises:
- the overall process of the mixture preparation is thereby subdivided in particular into phases and predetermined parameters, in particular quantitative values of the filled materials, are recorded during the process. This makes it possible, in the case of a termination of the process during a phase, in particular in an error trap to continue the process controlled in this phase. As a result, partially prepared mixtures can be completed in a controlled manner and do not need to be disposed of.
- a continuation takes place at a predetermined process step, in particular using the last detected amount of carrier particles and / or toner.
- the process structure can be done in particular by so-called anchor points.
- the anchor points serve as reentry points at predetermined process steps in the event that the mixture change sequence is interrupted.
- the entire procedure does not have to be run through again from the beginning, but can be continued at the appropriate place in a time-saving manner.
- not a possibly newly filled Carrier must be drained and discarded just to the process again (with a new carrier) to start over again (which incurs additional costs).
- This form of process structure is particularly advantageous when the process is computer controlled.
- the anchor points are on meaningful and technically feasible
- the “anchor points” lead to even more significant time savings in the event of a fault, as well as preventing developer station errors from occurring (eg over-toning, aging too long, mixture too low).
- developer station errors eg over-toning, aging too long, mixture too low.
- the already filled in carrier and toner need not be removed again and thrown away.
- the above-mentioned toner denoising counter is active during the toner toning phase and counts the number of toner conveying cycles performed. If the process is interrupted during this phase, it will be resumed at this point later ("anchor point") . The continuation of the process at the anchor point is possible because the number of already completed conveyor cycles are counted, and thus already included in the developer station. Thus, for example, over-toning of the developer station is prevented.
- a corresponding counter for counting mixing cycles can also be set up for the mixing phase.
- the carrier ages in the course of its lifetime, and this factor is processed by the printer, it is advantageous to know the length of the mixing phase and not stretch unnecessarily long.
- phase status which indicates the current phase of the mixture change or the mixture production and / or the quantity and / or time values recorded during the production of the mixture, stored on a non-volatile, electrical memory of the developer station.
- the current status of the developer station - z. B. empty or partially empty - is stored on a non-volatile memory on the developer station itself.
- the counters described above are also noted on the non-volatile memory.
- a microprocessor can be provided on the developer station, which processes these data. Due to the data stored on it, a development station can be used at any time, even after a canceled mixture change in another printer or at another time, without running the risk to get into a faulty state, for example by over-toning.
- Figure 1 a high-pressure electrographic printing device
- FIG. 2 Relationships when changing a developer mixture
- Figure 5 a process for filling carrier particles
- Figure 6 processes of Auftonerns and mixing
- Figure 7 an electrophotographic printing machine with several developer stations.
- FIG. 1 shows schematically an electrophotographic printing device for single or multi-color, one- or two-sided printing of tape-shaped record carriers 10 of different bandwidths. It contains, as an intermediate carrier, a photoconductive drum 11 driven by an electric motor. The various units for the electrophotographic process are grouped around the intermediate carrier 11.
- a charging device 12 in the form of a charging corotron for charging the intermediate carrier 11; a character generator 13 having a light-emitting diode comb for character-dependent exposure of the intermediate carrier 11, which extends over the entire usable width of the intermediate carrier 11; a developer station 14 for coloring the character-dependent charge image on the intermediate carrier 11 by means of a one- or two-component developer mixture; a transfer station 15 which extends across the width of the intermediate carrier 11 and with which the toner images are transferred to the recording medium 10.
- a cleaning station 16 is provided with an integrated cleaning brush with associated suction device and an unloading device 17.
- the intermediate carrier 11 is driven by an electric motor and moved in printing operation in the direction of the arrow.
- the printing device contains a fixing station 18 which is arranged downstream of the transfer station 15 in the transport direction of the recording medium and which is designed as a thermal pressure fixing station, and a feed device 21 arranged downstream of the fixing station with guide rollers for feeding the recording medium 10 to an internal stacking device 22 or to an outside of the printing device arranged external stacking or other Nach kausraum.
- the tape-shaped recording medium 10 is e.g. is prefabricated as prefolded, with Randperforationenendlospapier and is based on an internal storage area
- the transport of the recording medium 10 preferably takes place via a transport device 25 assigned to the transfer printing station 15 in the form of transport belts provided with pins, which engage in the peripheral perforations of the recording medium 10 via drive shafts. Furthermore, in the housing portion of the printing device, in a receiving area for the internal storage stack 23, a turning device 28 is arranged over the printed on the back of the already printed on the front side recording medium and again the transfer station 15 is supplied. The turning device 28 is connected to the fixing station 18 via a return channel 29 in connection.
- the aggregates are combined into interchangeable modules in the illustrated printing device, or designed as exchangeable modules.
- Separately exchangeable in the electrophotographic printing module 26 is the developer station 14. It is mounted on rails 27 for this purpose and can thus be pushed and replaced perpendicular to the plane of the printing device. Its basic structure is known from WO-Al-98/27472. which is incorporated herein by reference.
- an identification device 30 is arranged in the form of a printed circuit board whose function will be explained later.
- the developer station contains an automatically controlled mixed excavator with which the toner-developer mixture can be mixed.
- the printing device is via a printer control, not shown.
- the operation of the printing device via a control panel display 31 in the form of a touch-screen screen.
- the identification arrangement 30 fastened on the developer station 14 can consist of a plurality of electronic modules arranged on a printed circuit board, which are connected to one another via control lines to a microprocessor control and as described in more detail in EP-B1-016935 (FIG. 2) are.
- the variable data about the state or the properties of the developer station are stored in a non-volatile semiconductor memory, in particular in a transponder memory.
- the developer station 14 In the developer station 14 are arranged a plurality of inductively and analogously operating toner concentration sensors and one or more temperature sensors.
- the toner concentration sensors inductively determine the ratio of the carrier particles consisting of iron to the toner particles of the developer mixture, taking into account the ambient temperature and the sheet counter reading and possibly taking into account other influencing variables.
- the need is determined on fresh toner 'and the device control informed. This actuates the corresponding Frischtonerzu slaughterfish in the device.
- a corresponding software program is started via the control panel 31, which computer-controlled the process.
- the developer station which operates in the following examples according to the Tribo Jump principle and is also called TJE in the following, the following states can be assigned, the respective digit is stored as a numerical value in the semiconductor memory:
- FIG. 2 shows four sub-processes of a mixture change process and their relationships, namely Pl “discharge mixture”, P2 “fill carrier”, P3 “toners” and P4 “mixing”. In addition, the respective process time is indicated.
- the higher-level process control (software) is set up in such a way that the entire process can be aborted when process P1 is completed, ie P2 does not necessarily follow Pl.
- process P3 (tinting) inevitably automatically occurs after a predetermined time (57 sec ,) starts after the process P2 (fill in Carrier) has been started. Since the process of "filling in carriers” usually takes 4 minutes and the “toning" process takes 3 minutes 3 seconds, the two processes are usually completed at the same time.
- the tinting takes place in this embodiment _ in 37 sub-steps, each sub-step is stored in a counter on the developer station, so that in a demolition or an error during toning later still needed residual amount of toner can be determined and filled.
- the mixing process P4 can be started, this start and / or the duration of the mixing process P4 can be manually ii- nitiiert or after measurement of the mixture properties, if necessary, automatically or station or device individually also fixed.
- the middle column has a bright background and describes process steps that are carried out in-house in the developer station and / or in the device control of the printing device.
- the column to the left of the middle column has a lightly shaded background and, in particular, represents interface method steps supported by the control panel of the printing apparatus, which in particular includes a display device (screen), input devices (touch screen switches) and control panel software.
- the column to the right of the middle column mainly represents steps for device-internal error and warning messages as well as activation steps for one or more LEDs located on the developer station.
- the software-controlled process P1 "discharge mixture" is represented in detail in FIGS. 3 and 4, which is supported by a corresponding software program, whereby printer-side settings or states are also made via actuators or detected by sensors , eg vacuum and blower conditions, service flap settings, door positions, roller tensions, etc.
- the process has five anchor points A1, A2, A3, A4 and A5, at which the process can be continued if it is on a
- the device control software and control panel software have appropriate means to assist with the return to anchor points. Zen.
- Column 35 shows the panel steps
- column 3 ⁇ represents the developer station specific process steps
- column 36 shows the warning messages and LED (LED) controls.
- the catchbox is a container in which spent developer particles and / or toner are filled.
- Light emitting diodes attached to the developer station and / or displayed on a control panel indicate specific operating states of the TJE through corresponding color indicators.
- a service flap represents a switch for switching on the negative pressure in the evacuation hose of the developer station, provided that the blower at the developer station is switched on.
- the developer station is in particular a so-called toner jump developer station (TJE) with a jump roller (JW).
- FIG. 5 shows the process "filling carrier particles” and FIG. 6 shows the process "toning and if necessary mixing”.
- the Submit Developer sub-process has three anchor points A7 when selecting the station, A8 for failure checking, the carrier bottle empty, and A9 for removing the developer bottle
- the Tone sub-process assigns the two anchor points AlO at startup and All at Continue the process with appropriate counter value.
- the "Mixing" phase has an anchor point
- the mixture change in a conventional high-performance printing systems is a relatively lengthy affair and presents, typically about 30 minutes. per developer station a significant downtime in the printing operation. This is particularly serious if the printing device, such as. the Oce Variostream 9000 printing system developed by the applicant has several (up to 14) developer stations.
- the entire mixture change process must be repeated from the beginning. For this purpose, it is also necessary to drain a possibly already filled in carrier again. The drained carrier must also be thrown away mostly, although it is unused.
- the status of the developer station should be recognizable.
- the state of the developer station is stored on a non-volatile memory on the developer station itself. If the mixture change is interrupted (intentionally or unintentionally), it can be replaced at the appropriate point and the process terminated. This is possible even if the unwinder station is used in another printer and / or the station is used at a later time. A possibly already filled in carrier does not have to be drained, because the process does not have to start all over again. For the same reason, the mixture change is shortened in case of error.
- the possible states of the developer station stored on the non-volatile memory of the developer station are:
- 3 corresponds to fill With carrier Carrier is in developer station 4 corresponds to fill With developer Carrier and toner are in the developer station and the mixing process is complete.
- Developer is in the developer station. corresponds to draining The developer station is being drained at the moment, or has been interrupted during the draining.
- 6 corresponds to filling carrier lm Carrier is being filled into the developer station, or has been interrupted during the filling of carrier.
- 7 corresponds to filling Tonerlm moment toner is filled in the developer station, or has been interrupted during the filling of toner.
- 0 corresponds to undefined
- the developer station has an undefined state.
- the listed states of the developer stations are not only important for the mixture change. They are always important when a station is inserted in a printer or the printer is switched on. In these cases, the deployed developer stations are queried for the printer to determine if it is in a printable state or not. Accordingly, the printer responds and releases the pressure, or "forces" the operator to terminate a possibly interrupted process (mixture change).
- Counter for counting the delivery cycles during toning ensures that just the right amount of toner is conveyed to the developer station.
- Counter for counting the mixing time ensures that the carrier and toner are mixed exactly the intended time.
- Anchor points are points in the mixture change that are to be considered as reentry points. Ie. an interrupted mixture change does not have to be completely repeated from the beginning, but only "falls" back to the last anchor point and ends the procedure from there
- the anchor points are located at reasonable and technically feasible points in the drain and thus shorten the process time of the mixture change in the event of a fault
- particularly important anchor points are the counters shown in section 4.2, which ensure that For example, the exact amount required toner is promoted in the developer station.
- the two processes are coordinated. Since it is necessary for some of the carrier to be already in the developer station before toner is added, toning starts a little later than filling the carrier. In addition, the two processes are changed so that they end at about the same time in order to obtain a maximum of temporal optimization.
- the mixture change consists of four parts:
- Process time new 8:20 min old 8:20 min
- the mixture in the developer station is drained off. This step can not be shortened in comparison to the already existing mixture change, since it must be ensured that all the material in the developer station is sucked off (except for a remainder of a few hundred grams, which can not be removed).
- the developer station gets draining. This means that the suction process has started and that the original amount of mixture in the developer station is no longer present. It is not an indication of how much mixture is still in the developer station or was discharged. If the process is interrupted or stopped, it is impossible to print with this station as draining does not allow it. Even if the developer station is inserted into another printer of the same type, the state is recognized because the information is stored on the developer station.
- the station When the entire mixture has been drained the station is given the status "empty." With this state, the process "Carrier The process may also be terminated because the developer station has been emptied for transport, for example.
- Process time new 4:00 min old 5:00 min General: In this phase of the mixture change Carrier is filled into the empty developer station. The developer slips through a hose into the developer station, driven solely by gravity. As soon as the process is started, the developer station is given the status "filling carrier.” When the process is finished, a query is made as to whether the entire carrier has slipped out of the bottle into the developer station.When the query is confirmed, the developer station is given the status "fill With Carrier, "she says in the negative, the filling process is repeated. Normally, however, the time should be sufficient to fill the entire carrier. The actual The time taken for the carrier to flow from the bottle to the developer station is about two minutes. The process time itself is therefore reduced from five to four minutes.
- a query is made whether the entire carrier has flowed into the developer station, d. H. if the carrier bottle is empty. Accordingly, the filling process is completed or repeated.
- the sub-step is carried out parallel to the "Carrier Filling in.”
- the time to be estimated in the overall process for this process step is: new 0:00 min old 4:51 min
- Delivery cycle 37 delivery cycles must be carried out with the following sample new 3 sec. promote / 2 sec. Break old 3 sec. promote / 5 sec. Pause General:
- the carrier must be supplied with enough toner to contain 6.4% toner. 37 delivery cycles are necessary for this. The conveyor cycles are counted and stored continuously on the developer station.
- the "Toning" sub-step is carried out parallel to the "Carrier filling", which was not the case until now, but it is important that there is already some carrier in the developer station is before the toner is conveyed, since then mix both elements better. Therefore, the toning starts a little later (57 sec.) Than the filling of the carrier. The time of 57 sec. It also makes sense between the beginning of the two phases - “filling in carrier” and “tinting” - as both phases end at the same time. Error:
- the carrier and the toner are mixed. Due to the frictional resistance occurring, the two substances are charged, d. H. activated. In addition, the two substances can be seen.
- the charging of the toner and carrier is important because it can only be printed with a sufficiently activated mixture.
- FIG. 7 shows a printing device with a plurality of developer stations, which are optionally provided for printing with different colors and / or for double-sided printing on a recording medium. It is particularly suitable with features of WO-Al-98/39691 and WO-Al-98/27466. whose contents are hereby incorporated by reference into the present description. With the present invention, it is then possible in particular to exchange the developer mixtures of several developer stations in parallel or completely or at least partially simultaneously.
- the printing device shown in FIG. 7 for the performance-adapted, monochrome and / or colored, single- or double-sided printing of a tape-shaped recording medium has a modular construction and basically has a feed module M1, a print module M2, a fixing module M3 and a post-processing module M4.
- the feeding module M1 contains the elements for feeding a e.g. taken from a stacker End- lospapieres to the print module M2.
- the printing module M2 contains the actually electrophotographic printing units which print the recording medium, which is then fixed in the fixing module M3 and cut or stacked in the post-processing module M4.
- the printing module M2 contains the units required for printing a tape-shaped recording medium 10 with toner images, which are arranged on both sides of a transport channel 11 for the recording medium 10.
- These aggregates consist essentially of two differently configurable electrophotography modules El and E2 with associated transfer modules Tl and T2.
- the modules El and Tl are assigned to the front side of the recording medium 10 and the modules E2 and T2 to the back.
- the identical constructed electrophotography modules E1 and E2 contain a seamless photoconductor belt 13a, for example an organic photoconductor (OPC), guided via deflecting rollers 12a and driven by an electric motor in the direction of the arrow.
- OPC organic photoconductor
- the photoconductor moving in the direction of the arrow is first charged to a voltage of about -600 V with the aid of a charging device 14a and then discharged to about -50 volts depending on the character with the aid of a character generator 15a comprising a light-emitting diode comb (LED comb).
- the latent charge image on the photoconductor thus produced is then inked with toner by means of developer stations 16/1 to 16/5 and then the image is loosened by means of the intermediate exposure device 17a and transferred to a transfer belt 19a of the transfer belt module in a transfer area 18a Tl transferred using a êtsorgorona constructive 20a ü.
- the entire photoconductor belt is discharged over the entire width and cleaned by a cleaning device 22a with a cleaning brush of adhering toner dust.
- a subsequent intermediate exposure device 23a ensures a corresponding charge-conditioning of the photoconductor belt 13a, which is then uniformly charged, as already described, with the aid of the charging device 14a.
- the developer stations are 16/1 to 16/5 switchable. They each contain the toner associated with a single color separation.
- the developer station contains 16/1 black toner, the developer station 16/2 yellow toner, the developer station 16/3 magenta toner, the developer station 16/4 cyan toner and, for example, the developer station 16 / 5 blue toner or toner of a special color.
- both one-component and two-component toner developer stations can be used.
- the transfer module Tl contains the transfer belt 19a, which consists of polyimide or a similar substance, and is guided and motor-driven by a plurality of deflection devices.
- the transfer belt 19a is similar to the photoconductor belt 13a endless and formed without seam.
- the transfer belt 19a in the transfer module T1 acts as a collector for the individual toner images associated with the color separations, which are transferred to the transfer belt 19a via the transfer device 18a, 20a.
- the individual toner images are arranged one above the other so that an overall toner image corresponding to the color image is formed.
- the transfer module T1 contains a switchable transfer printing station 24a. This can, according to the representation of Fig. 1, a plurality of mechanically displaceable transfer rolls 28a included with associated Umyakkorona responded 29a.
- transfer rolls 28a and transfer corona 29a are displaced upward in the direction of the arrow, so that transfer ribbon 19a is spaced from the record carrier 10.
- the individual toner images are taken over by the electrophotography module El and superimposed on transfer ribbon 19a Cleaning station 2 ⁇ a is deactivated by swiveling in.
- recording medium 10 is at rest in the area of transfer printing station 24a.
- the electrophotography module E2 and the rear-side transfer module T2 of the recording medium 10 are constructed according to the modules El and Tl.
- a collective color toner image for the rear side is generated on the transfer belt T2, the corresponding transfer printing station 24a being swung off in the operating state "collecting" here as well.
- the transfer belts 19a of the transfer modules T1 and T2 are in the region of their transfer printing stations
- the recording medium 10 is moved in the feed module Ml from a stacking device 31a via a slide feeder 30a to the printing module M2 and there in the paper transport channel IIa by means of motor-driven transport rollers 38a.
- Be ⁇ rich between the transport rollers 38a and 24a can be arranged Umtikstatio- NEN conditioning for paper loading or corona devices 39a, so that existing paper recording carrier web 10 is set, for example, charge moderately uniformly before the transfer printing.
- a corresponding post-processing of the recording medium 10 is carried out as part of the post-processing module M4 z.
- a cutter 3 ⁇ a with stacking device 37a may contain.
- a microprocessor-controlled control device ST coupled to the device controller GS of the printer is provided, which is in communication with the components to be controlled and regulated of feed module Ml, print module M2 and fixation module M3 or post-processing module M4. Within the modules it is coupled to the individual aggregates, e.g. with the electrophotography modules El and E2 and the transfer modules Tl and T2.
- a control panel B Connected to the device control GS or the control ST, which may be part of the device control, is a control panel B, via which the various operating states can be entered.
- the control panel may include a touch-screen display or a personal computer with a paired keyboard.
- the invention is particularly suitable for being executed fully or partially automatically by means of a computer program (software). It can thus also be distributed as a computer program module, as a file on a data carrier such as a floppy disk or CD-ROM or as a file via a data or communication network. Such and comparable computer program products or computer program elements are also embodiments of the invention.
- the process according to the invention can be used in a computer, in a printing device or in a printing system. It is clear that corresponding computers to which the invention is applied, other known technical devices such as input (keyboard, mouse, touch screen), a microprocessor, a data or control bus, a display device (monitor, display ) as well as a main memory, a hard disk memory and a network card.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Or Security For Electrophotography (AREA)
- Dry Development In Electrophotography (AREA)
- Developing Agents For Electrophotography (AREA)
- Magnetic Brush Developing In Electrophotography (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102004057856A DE102004057856A1 (de) | 2004-11-30 | 2004-11-30 | Verfahren, Vorrichtung und Computerprogramm zum Erzeugen eines Entwicklergemisches in einer elektrografischen Entwicklerstation |
| PCT/EP2005/012697 WO2006058686A2 (de) | 2004-11-30 | 2005-11-28 | Verfahren, vorrichtung und computerprogramm zum erzeugen eines entwicklergemisches in einer elektrografischen entwicklerstation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1828850A2 true EP1828850A2 (de) | 2007-09-05 |
| EP1828850B1 EP1828850B1 (de) | 2011-03-16 |
Family
ID=35965945
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP05811331A Expired - Lifetime EP1828850B1 (de) | 2004-11-30 | 2005-11-28 | Verfahren, vorrichtung und computerprogramm zum erzeugen eines entwicklergemisches in einer elektrografischen entwicklerstation |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7650102B2 (de) |
| EP (1) | EP1828850B1 (de) |
| JP (1) | JP4838807B2 (de) |
| DE (2) | DE102004057856A1 (de) |
| WO (1) | WO2006058686A2 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4735850B2 (ja) * | 2006-11-28 | 2011-07-27 | 富士ゼロックス株式会社 | 消耗品管理装置、画像形成装置及びプログラム |
| US20090232556A1 (en) * | 2008-03-14 | 2009-09-17 | Kabushiki Kaisha Toshiba | Counting method of mixing time of developer |
| JP6955670B2 (ja) * | 2017-09-08 | 2021-10-27 | 京セラドキュメントソリューションズ株式会社 | 画像形成装置およびトナー量算出方法 |
Family Cites Families (28)
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| DE3115294C2 (de) | 1981-04-15 | 1983-02-03 | Siemens AG, 1000 Berlin und 8000 München | Verfahren zum Regenerieren der Trägerteilchen eines aus Trägerteilchen und Toner bestehenden Zwei-Komponenten-Entwicklers |
| GB2150052B (en) * | 1983-11-24 | 1987-05-28 | Ricoh Kk | Developer supply system for electrophotographic copier |
| JPS6263965A (ja) | 1985-09-17 | 1987-03-20 | Canon Inc | 画像記録装置 |
| US4614165A (en) * | 1985-11-25 | 1986-09-30 | Xerox Corporation | Extended life development system |
| JPH0656519B2 (ja) * | 1987-06-24 | 1994-07-27 | シャープ株式会社 | 現像装置 |
| JPS6425175A (en) * | 1987-07-22 | 1989-01-27 | Toshiba Corp | Toner concentration controller |
| US5450178A (en) | 1990-09-10 | 1995-09-12 | Fujitsu Limited | Process and apparatus for replacing the carrier portion of a developing agent having toner used in an image-forming apparatus |
| US5592270A (en) * | 1992-07-21 | 1997-01-07 | Sharp Kabushiki Kaisha | Developing device in an electrophotographic apparatus capable of controlling a discharge of deteriorated developer and method of discharging deteriorated developer |
| US5621052A (en) | 1992-12-29 | 1997-04-15 | Cytec Technology Corp. | Aminoplast-anchored ultraviolet light stabilizers |
| JP2986001B2 (ja) * | 1993-06-08 | 1999-12-06 | シャープ株式会社 | 現像装置 |
| JP3450567B2 (ja) * | 1996-02-05 | 2003-09-29 | 株式会社リコー | 画像形成装置 |
| US5915155A (en) * | 1995-01-12 | 1999-06-22 | Ricoh Company, Ltd. | Toner replenishing and developer replacing device for a developing unit of an image forming apparatus |
| JPH08328366A (ja) * | 1995-06-02 | 1996-12-13 | Konica Corp | カラー画像形成装置 |
| DE19540138C1 (de) | 1995-10-27 | 1996-12-05 | Siemens Nixdorf Inf Syst | Entwicklerstation mit mehreren nebeneinander angeordneten Entwicklerkammern |
| JPH1083110A (ja) * | 1996-09-06 | 1998-03-31 | Ricoh Co Ltd | 画像形成装置 |
| JP2885739B2 (ja) * | 1996-11-28 | 1999-04-26 | 日本電気オフィスシステム株式会社 | 電子写真式画像形成装置の現像装置 |
| US6141523A (en) | 1996-12-18 | 2000-10-31 | Oce Printing Systems Gmbh | Electrographic printing device with opposite-lying printing units |
| EP0946907B1 (de) | 1996-12-18 | 2002-02-20 | Océ Printing Systems GmbH | Verfahren zum betreiben eines elektrografischen druckers oder kopierers mit mindestens zwei entwicklereinheiten |
| JPH10186831A (ja) * | 1996-12-24 | 1998-07-14 | Canon Inc | 多色画像形成装置 |
| EP0965070B1 (de) | 1997-03-03 | 2000-10-11 | Océ Printing Systems GmbH | Druck- und kopiergerät zum performance-angepassten, monochromen und/oder farbigen, ein- oder beidseitigen bedrucken eines aufzeichnungsträgers |
| DE59801690D1 (de) | 1997-03-26 | 2001-11-15 | Oce Printing Systems Gmbh | Druck- oder Kopiergerät mit austauschbaren, eine Identifizierungsanordnung aufweisenden Teilaggregaten, Verfahren zum Betrieb eines solchen Geräts sowie ein Tonerbehälter zur Verwendung in einem solchen Gerät |
| JP4038297B2 (ja) * | 1999-03-03 | 2008-01-23 | 株式会社リコー | 画像形成装置 |
| JP2001209243A (ja) * | 2000-01-28 | 2001-08-03 | Konica Corp | 画像形成装置 |
| DE10107647A1 (de) | 2001-02-19 | 2002-09-19 | Oce Printing Systems Gmbh | Vorrichtung und Verfahren zum Ersatz von gealtertem Entwickler |
| US7257354B2 (en) | 2001-02-19 | 2007-08-14 | Oce Printing Systems Gmbh | Device and method for the replacement of out-of-date developer |
| JP2003248402A (ja) * | 2002-02-25 | 2003-09-05 | Canon Inc | 画像形成装置 |
| US7085506B2 (en) | 2003-02-28 | 2006-08-01 | Xerox Corporation | Method for controlling the state of developer material |
| US7177557B2 (en) * | 2004-04-29 | 2007-02-13 | Xerox Corporation | Method for calculating toner age and a method for calculating carrier age for use in print engine diagnostics |
-
2004
- 2004-11-30 DE DE102004057856A patent/DE102004057856A1/de not_active Withdrawn
-
2005
- 2005-11-28 JP JP2007541866A patent/JP4838807B2/ja not_active Expired - Fee Related
- 2005-11-28 DE DE502005011145T patent/DE502005011145D1/de not_active Expired - Lifetime
- 2005-11-28 US US11/719,982 patent/US7650102B2/en not_active Expired - Fee Related
- 2005-11-28 WO PCT/EP2005/012697 patent/WO2006058686A2/de not_active Ceased
- 2005-11-28 EP EP05811331A patent/EP1828850B1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006058686A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004057856A1 (de) | 2006-06-01 |
| JP4838807B2 (ja) | 2011-12-14 |
| US7650102B2 (en) | 2010-01-19 |
| US20080089719A1 (en) | 2008-04-17 |
| DE502005011145D1 (de) | 2011-04-28 |
| WO2006058686A3 (de) | 2006-08-31 |
| JP2008522205A (ja) | 2008-06-26 |
| EP1828850B1 (de) | 2011-03-16 |
| WO2006058686A2 (de) | 2006-06-08 |
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