Apparatus for electrographic processes using a charge pattern

GPHYSICS G03Photography G03GELECTROGRAPHY ELECTROPHOTOGRAPHY MAGNETOGRAPHY

G03G15/00Apparatus for electrographic processes using a charge pattern

G03G15/01For producing multicoloured copies G03G15/0105Details of unit G03G15/011for exposing G03G15/0115and forming a half-tone image G03G15/0121for developing G03G15/0126using a solid developer G03G15/0131for transferring a pattern to a second base G03G15/0136transfer member separable from recording member or vice versa, mode switching G03G15/0142Structure of complete machines G03G15/0147using a single reusable electrographic recording member G03G15/0152onto which the monocolour toner images are superposed before common transfer from the recording member G03G15/0157with special treatment between monocolour image formation G03G15/0163primary transfer to the final recording medium G03G15/0168single rotation of recording member to produce multicoloured copy G03G15/0173plural rotations of recording member to produce multicoloured copy G03G15/0178using more than one reusable electrographic recording member G03G15/0184at least one recording member having plural associated developing units G03G15/0189primary transfer to an intermediate transfer belt G03G15/0194primary transfer to the final recording medium G03G15/02for laying down a uniform charge G03G15/0208by contact, friction or induction G03G15/0216by bringing a charging member into contact with the member to be charged G03G15/0225provided with means for cleaning the charging member G03G15/0233Structure, details of the charging member G03G15/0241by bringing charging powder particles into contact with the member to be charged G03G15/025by bringing a charging member in the vicinity with the member to be charged G03G15/0258provided with means for the maintenance of the charging apparatus G03G15/0266Arrangements for controlling the amount of charge G03G15/0275Arrangements for controlling the area of the photoconductor to be charged G03G15/0283Arrangements for supplying power to the sensitising device G03G15/0291corona discharge devices G03G15/04for exposing G03G15/04009by forming an intermediate temporary image projected one or more times G03G15/04018Image composition G03G15/04027and forming half-tone image G03G15/04036Details of illuminating systems G03G15/04045for exposing image information provided otherwise than by directly projecting the original image onto the photoconductive recording material G03G15/04054by LED arrays G03G15/04063by EL-bars G03G15/04072by laser G03G15/04081Exposure from behind the photoconductive surface G03G15/0409Details of projection optics G03G15/041with variable magnification G03G15/0415and means for controlling illumination or exposure G03G15/043with means for controlling illumination or exposure G03G15/0435by introducing an optical element in the optical path G03G15/045with means for charging or discharging distinct portions of the charge pattern on the recording material G03G15/047for discharging non-image areas G03G15/05for imagewise charging G03G15/051by modulating an ion flow through a photoconductive screen onto which a charge image has been formed G03G15/052Details and conditioning means of the screen G03G15/054using X-rays G03G15/0545Ionography G03G15/056using internal polarisation G03G15/06for developing G03G15/065Arrangements for controlling the potential of the developing electrode G03G15/08using a solid developer G03G15/0801for cascading G03G15/0803in a powder cloud G03G15/0805on a brush G03G15/0806on a donor element G03G15/0808characterised by the developer supplying means G03G15/081characterised by the developer handling means after the supply and before the regulating G03G15/0812characterised by the developer regulating means G03G15/0813characterised by means in the developing zone having an interaction with the image carrying member G03G15/0815characterised by the developer handling means after the developing zone and before the supply G03G15/0817characterised by the lateral sealing at both sides of the donor member with respect to the developer carrying direction G03G15/0818characterised by the structure of the donor member G03G15/082for immersion G03G15/0822Arrangements for preparing, mixing, supplying or dispensing developer G03G15/0824Detection or control means for the toner concentration G03G15/0825the concentration being measured by electrical means G03G15/0827the concentration being measured by optical means G03G15/0829the concentration being measured by magnetic means G03G15/0831Detection means for the toner level G03G15/0832Arrangements for supplying new toner; Toner cartridges G03G15/0834Toner cartridges fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material G03G15/0836Toner cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge G03G15/0837the toner cartridges being generally horizontally mounted parallel to its longitudinal rotational axis G03G15/0839Arrangements for metering and dispensing toner into the development sump; Toner hoppers; Augers G03G15/0841Toner cartridges using a peelable sealing film G03G15/0843Toner cartridges using a sealing film to be ruptured or cut G03G15/0844Arrangements for purging used developer from the developing unit G03G15/0846Arrangements for conditioning developer in the developing sump G03G15/0848Arrangements for testing or measuring developer properties or quality G03G15/0849Detection or control means for the developer concentration G03G15/0851the concentration being measured by electrical means G03G15/0853the concentration being measured by magnetic means G03G15/0855the concentration being measured by optical means G03G15/0856Detection or control means for the developer level G03G15/0858the level being measured by mechanical means G03G15/086the level being measured by electro-magnetic means G03G15/0862the level being measured by optical means G03G15/0863provided with identifying means or means for storing process- or use parameters G03G15/0865Arrangements for supplying new developer G03G15/0867cylindrical developer cartridges G03G15/0868Toner cartridges fulfilling a continuous function within the electrographic apparatus during the use of the supplied developer material G03G15/087Developer cartridges having a longitudinal rotational axis, around which at least one part is rotated when mounting or using the cartridge G03G15/0872the developer cartridges being generally horizontally mounted parallel to its longitudinal rotational axis G03G15/0874non-rigid containers G03G15/0875cartridges having a box like shape G03G15/0877Arrangements for metering and dispensing developer from a developer cartridge into the development unit G03G15/0879for dispensing developer from a developer cartridge not directly attached to the development unit G03G15/0881Sealing of developer cartridges G03G15/0882by a peelable sealing film G03G15/0884by a sealing film to be ruptured or cut G03G15/0886by mechanical means G03G15/0887Arrangements for conveying and conditioning developer in the developing unit G03G15/0889for agitation or stirring G03G15/0891for conveying or circulating developer G03G15/0893in a closed loop within the sump of the developing device G03G15/0894Reconditioning of the developer unit, i.e. reusing or recycling parts of the unit G03G15/0896Arrangements or disposition of the complete developer unit or parts thereof not provided for by groups G03G15/08 - G03G15/0894 G03G15/0898for preventing toner scattering during operation G03G15/09using magnetic brush G03G15/0907with bias voltage G03G15/0914with a one-component toner G03G15/0921Details concerning the magnetic brush roller structure G03G15/0928relating to the shell G03G15/0935relating to bearings or driving mechanism G03G15/0942with means for preventing toner scattering from the magnetic brush G03G15/095Removing excess solid developer G03G15/10using a liquid developer G03G15/101for wetting the recording material G03G15/102for differentially wetting the recording material G03G15/104Preparing, mixing, transporting or dispensing developer G03G15/105Detection or control means for the toner concentration G03G15/107Condensing developer fumes G03G15/108with which the recording material is brought in contact G03G15/11Removing excess liquid developer G03G15/14for transferring a pattern to a second base G03G15/16of a toner pattern G03G15/1605using at least one intermediate support G03G15/161with means for handling the intermediate support G03G15/1615relating to the driving mechanism for the intermediate support G03G15/162details of the the intermediate support G03G15/1625on a base other than paper G03G15/163using the force produced by an electrostatic transfer field formed between the second base and the electrographic recording member G03G15/1635the field being produced by laying down an electrostatic charge behind the base or the recording member G03G15/164the second base being a continuous paper band G03G15/1645Arrangements for controlling the amount of charge G03G15/165Arrangements for supporting or transporting the second base in the transfer area G03G15/1655comprising a rotatable holding member to which the second base is attached or attracted G03G15/166with means for conditioning the holding member G03G15/1665by introducing the second base in the nip formed by the recording member and at least one transfer member G03G15/167at least one of the recording member or the transfer member being rotatable during the transfer G03G15/1675with means for controlling the bias applied in the transfer nip G03G15/168with means for conditioning the transfer element G03G15/1685Structure, details of the transfer member G03G15/169with means for preconditioning the toner image before the transfer G03G15/1695with means for preconditioning the paper base before the transfer G03G15/18of a charge pattern G03G15/20for fixing G03G15/2003using heat G03G15/2007using radiant heat G03G15/201of high intensity and short duration G03G15/2014using contact heat G03G15/2017Structural details of the fixing unit in general G03G15/2021Plurality of separate fixing and/or cooling areas or units, two step fixing G03G15/2025with special means for lubricating and/or cleaning the fixing unit G03G15/2028with means for handling the copy material in the fixing nip G03G15/2032Retractable heating or pressure unit G03G15/2035for maintenance purposes G03G15/2039with means for controlling the fixing temperature G03G15/2042specially for the axial heat partition G03G15/2046specially for the influence of heat loss G03G15/205specially for the mode of operation G03G15/2053Structural details of heat elements G03G15/2057relating to the chemical composition of the heat element and layers thereof G03G15/206Structural details or chemical composition of the pressure elements and layers thereof G03G15/2064combined with pressure G03G15/2067with retractable fixing or pressure unit G03G15/2071for maintenance purpose G03G15/2075with special means for lubricating and/or cleaning the fuser unit G03G15/2078with means for controlling and/or regulating the fixing temperature G03G15/2082specially the axial heat repartition G03G15/2085with means for handling the copy material in the fuser nip G03G15/2089Details of pressure units G03G15/2092using pressure only G03G15/2096using a solvent G03G15/22involving the combination of more than one step according to groups G03G13/02 - G03G13/20 G03G15/221Machines other than electrographic copiers G03G15/222Machines for handling xeroradiographic images G03G15/223Machines for handling microimages G03G15/224Machines for forming tactile or three dimensional images by electrographic means G03G15/225using contact-printing G03G15/226where the image is formed on a dielectric layer covering the photoconductive layer G03G15/227the length of the inner surface of the dielectric layer being greater than the length of the outer surface of the photoconductive layer G03G15/228the process involving the formation of a master G03G15/23specially adapted for copying both sides of an original or for copying on both sides of a recording or image-receiving material G03G15/231Arrangements for copying on both sides of a recording or image-receiving material G03G15/232using a single reusable electrographic recording member G03G15/234by inverting and refeeding the image receiving material with an image on one face to the recording member to transfer a second image on its second face G03G15/235the image receiving member being preconditioned before transferring the second image G03G15/237the image receiving member being in form of a continuous web G03G15/238using more than one reusable electrographic recording member G03G15/24whereby at least two steps are performed simultaneously G03G15/26in which the charge pattern is obtained by projection of the entire image G03G15/263using a reusable recording medium in form of a band G03G15/266using a reusable recording medium in form of a plate or a sheet G03G15/28in which projection is obtained by line scanning G03G15/283using a reusable recording medium in form of a band G03G15/286using a reusable recording medium in form of a plate or a sheet G03G15/30in which projection is formed on a drum G03G15/302with arrangements for copying different kinds of originals G03G15/305with special means to synchronize the scanning optic to the operation of other parts of the machine G03G15/307with more than one photoconductor revolution for each copying cycle G03G15/32in which the charge pattern is formed dotwise G03G15/321by charge transfer onto the recording material in accordance with the image G03G15/323by modulating charged particles through holes or a slit G03G15/325using a stylus or a multi-styli array G03G15/326by application of light G03G15/328using a CRT G03G15/34in which the powder image is formed directly on the recording material G03G15/342by forming a uniform powder layer and then removing the non-image areas G03G15/344by selectively transferring the powder to the recording medium G03G15/346by modulating the powder through holes or a slit G03G15/348using a stylus or a multi-styli array G03G15/36Editing G03G15/50Machine control of apparatus for electrographic processes using a charge pattern G03G15/5004Power supply control G03G15/5008Driving control for rotary photosensitive medium G03G15/5012Priority interrupt; Job recovery G03G15/5016User-machine interface; Display panels; Control console G03G15/502relating to the structure of the control menu G03G15/5025by measuring the original characteristics G03G15/5029by measuring the copy material characteristics G03G15/5033by measuring the photoconductor characteristics G03G15/5037the characteristics being an electrical parameter G03G15/5041Detecting a toner image G03G15/5045Detecting the temperature G03G15/505Detecting the speed G03G15/5054by measuring the characteristics of an intermediate image carrying member or the characteristics of an image on an intermediate image carrying member G03G15/5058using a test patch G03G15/5062by measuring the characteristics of an image on the copy material G03G15/5066by using information from an external support G03G15/507being interleaved with the original or directly written on he original G03G15/5075Remote control machines G03G15/5079for maintenance G03G15/5083for scheduling G03G15/5087for receiving image data G03G15/5091for user-identification or authorisation G03G15/5095Matching the image with the size of the copy material G03G15/55Self-diagnostics; Malfunction or lifetime display G03G15/553Monitoring or warning means for exhaustion or lifetime end of consumables G03G15/556for toner consumption G03G15/60Apparatus which relate to the handling of originals G03G15/602for transporting G03G15/605Holders for originals or exposure platens G03G15/607for detecting size, presence or position of original G03G15/65Apparatus which relate to the handling of copy material G03G15/6502Supplying of sheet copy material; Cassettes therefor G03G15/6505for copy sheets in ream G03G15/6508Automatic supply devices interacting with the rest of the apparatus G03G15/6511Feeding devices for picking up or separation of copy sheets G03G15/6514Manual supply devices G03G15/6517Apparatus for continuous web copy material of plain paper G03G15/652Feeding a copy material originating from a continuous web roll G03G15/6523Cutting G03G15/6526Computer form folded [CFF] continuous web G03G15/6529Transporting G03G15/6532Removing a copy sheet form a xerographic drum, band or plate G03G15/6535using electrostatic means G03G15/6538Devices for collating sheet copy material G03G15/6541Binding sets of sheets G03G15/6544Details about the binding means or procedure G03G15/6547Shifting sets of sheets in the discharge tray G03G15/655Placing job divider sheet between set of sheets G03G15/6552Means for discharging uncollated sheet copy material G03G15/6555Handling of sheet copy material taking place in a specific part of the copy material feeding path G03G15/6558Feeding path after the copy sheet preparation and up to the transfer point G03G15/6561for sheet registration G03G15/6564with correct timing of sheet feeding G03G15/6567for deskewing or aligning G03G15/657Feeding path after the transfer point and up to the fixing point G03G15/6573Feeding path after the fixing point and up to the discharge tray or the finisher G03G15/6576Decurling of sheet material G03G15/6579Refeeding path for composite copying G03G15/6582Special processing for irreversibly adding or changing the sheet copy material characteristics or its appearance G03G15/6585by using non-standard toners G03G15/6588characterised by the copy material G03G15/6591characterised by the recording material G03G15/6594characterised by the format or the thickness G03G15/6597the imaging being conformed directly on the copy material G03G15/70Detecting malfunctions relating to paper handling G03G15/703Detecting multiple sheets G03G15/706Detecting missed stripping form xerographic drum, band or plate G03G15/75Details relating to xerographic drum, band or plate G03G15/751relating to drum G03G15/752with renewable photoconductive layer G03G15/754relating to band G03G15/755for maintaining the lateral alignment of the band G03G15/757Drive mechanisms for photosensitive medium G03G15/758relating to plate or sheet G03G15/80Details relating to power supplies, circuits boards, electrical connections