| ReturnTo Theme-Group-Choice | Onelevelup |
| 2H027 | CONTROL OR SECURITY IN ELECTROPHOTOGRAPHY | |
| G03G15/00 ,303;21/00,370-21/00,392;21/00,396-21/00,540 | ||
| G03G15/00,303;21/00,370-21/00,392;21/00,396-21/00,540 | DA | DA00 DETECTING, SENSING, MEASURING OR COUNTING OF APPARATUS STATES |
DA01 | DA02 | DA03 | DA04 | DA06 | DA07 | DA09 | DA10 | ||
| . detecting potential, current, or voltage | . . Potential of photoreceptors | . . Voltage of power source | . . Potential of developing toners, development, or developing biases | . Amount of charging or charging time | . Amount or period of exposed light | . Density of developed images | . . of toner on photoreceptors | |||||
| DA11 | DA12 | DA13 | DA14 | DA15 | DA16 | DA17 | DA18 | DA19 | DA20 | |||
| . Sensing temperature | . . of fixers | . . of photoreceptors or periphery thereof | . Sensing humidity | . Fatigue or deterioration of photoreceptors, or photoreceptor resistance values | . Measuring speed | . . of rotating photoreceptors | . . of scanning exposure | . . of conveying original | . . of conveying transfer papers | |||
| DA21 | DA22 | DA23 | DA24 | DA25 | DA26 | DA27 | DA28 | DA29 | ||||
| . Sensing positions, e.g. of lens | . . Photoreceptors, e.g. angle or position | . . of exposure scanning means | . . . Platens or original platens | . . of coverings for originals | . . of coverings of doors or apparatuses | . . of the presence of device or process units | . . of connections with peripheral equipments | . . of the presence or position of operators or of indoor light | ||||
| DA31 | DA32 | DA33 | DA34 | DA35 | DA36 | DA38 | DA39 | DA40 | ||||
| . Detection of operating states of elements | . . under operation | . . Completion | . . stopped | . . Preparation for copying in progress | . . Displaying copying being available or not | . Measuring time, e.g. timers or counters | . . of working, i.e. from start to stop | . . of pause, i.e. time passed after pause | ||||
| DA41 | DA42 | DA43 | DA44 | DA45 | DA46 | DA47 | DA48 | DA50 | ||||
| . Counting the number of sheets or times | . . of copiable sheets | . . Remaining number of sheets to be copied | . . Frequency of use or history | . . Total number of copied sheets, number of times used or amount of time for copying | . . Number of sheets for continuous copies, of times of copying, or amounts of period used | . . Number of copy failures | . . Number of failures | . Others, e.g. power source frequency or time of day | ||||
| DB | DB00 SENSING OR MEASURING ORIGINALS |
DB01 | DB02 | DB03 | DB04 | DB05 | DB06 | DB07 | DB08 | DB09 | DB10 | |
| . Density of originals or picture elements | . Types of originals, e.g. colour, diazo, film or thickness | . Mounting originals on trays for inserting originals | . Feeding originals | . Discharging originals | . Presence of originals on platens | . Jamming or misfeeding of originals | . Number of original sheets | . Size of originals | . Orientation of originals | |||
| DC | DC00 DETECTING, SENSING OR MEASURING TRANSFER PAPER |
DC01 | DC02 | DC03 | DC04 | DC05 | DC06 | DC07 | DC08 | DC09 | DC10 | |
| . of density or colour | . of quality or thickness | . Feeding transfer papers | . . to or through transfer sections | . . to or through fixing sections | . to or out of intermediate trays | . Number of sheets or presence of transfer papers in copying machine or intermediate trays | . Transfer papers arriving to sorters | . Number of sheets or presence of transfer papers in sorter or bin | . Size of transfer paper under conveyance | |||
| DC11 | DC12 | DC14 | DC15 | DC16 | DC17 | DC18 | DC19 | DC20 | ||||
| . Discharging transfer papers | . Presence of or number of sheets of transfer papers at discharge section, or transfer paper left in discharge section | . Jamming or misconveyance of transfer papers | . . Failure of feeding | . . Failure of separating | . . Paper jamming in sorters | . Amount of transfer paper remaining in paper replenishing sections, or out of paper | . Mounted cassettes or size of transfer papers | . Orientation of mounted transfer papers | ||||
| DD | DD00 SENSING SUPPLY |
DD01 | DD02 | DD03 | DD05 | DD07 | DD08 | DD09 | ||||
| . Toner in containers | . . Remaining amount or insufficiency | . . Amount of toner recovered or filled containers of toner | . Colours or kinds of toner | . Toner in developers, e.g. density | . . Toner potential in developers | . Kinds or conditions of photoreceptors | ||||||
| DE | DE00 KIND, STRUCTURE OR ARRANGEMENT OF SENSOR |
DE01 | DE02 | DE03 | DE04 | DE05 | DE07 | DE09 | DE10 | |||
| . Kinds or structures of sensors | . . optical | . . mechanical | . . electromagnetic | . . . Electrometers | . Methods for sensing or determining | . Periods or timing; Arranging sensors | . . Arrangements, position, or movement of sensors | |||||
| EA | EA00 CONTROLLED CONDITIONS OF IMAGE QUALITY |
EA01 | EA02 | EA03 | EA04 | EA05 | EA06 | EA07 | EA08 | EA09 | EA10 | |
| . Amount of charging | . Amount of image exposure | . Transfer voltage | . Developers | . . of developing bias | . . of replenishing amount of toner | . of the amount of full-surface exposure or the amount of non-image exposure | . of charging amount before transfer | . Adjustment of cleaning capability | . Adjustment of discharging capability | |||
| EA11 | EA12 | EA13 | EA15 | EA16 | EA18 | EA20 | ||||||
| . of temperature, e.g. maintaining heat in equipment or heating transfer papers | . . of fixers | . . of photoreceptors | . Controlling power | . . Power distribution | . Others, e.g. application of voltage | . Controlling combined conditions | ||||||
| EB | EB00 KIND OF IMAGE WHOSE QUALITY IS CONTROLLED |
EB01 | EB02 | EB03 | EB04 | EB06 | EB08 | |||||
| . Half-tone images | . . switching or selecting documents, photographs, or the like | . . improving density curves between originals and copies | . . Full-colour images | . Multicoloured copies | . Negative or positive images | |||||||
| EC | EC00 MEANS OR METHOD FOR CONTROLLING IMAGE QUALITY |
EC01 | EC02 | EC03 | EC04 | EC06 | EC07 | EC08 | EC09 | EC10 | ||
| . based on size or magnification | . . based on size of original or transfer paper, i.e. unit magnification | . involving formation of test patterns | . . with the plates exposed | . based on giving results or comparison with reference values | . involving sensing at plural locations, e.g. light or dark sections | . based on giving results from the previous copy cycle | . Control based on changes in setting of initial values or detected values | . Control contents when detected values and control variables reach critical values | ||||
| EC11 | EC12 | EC14 | EC15 | EC17 | EC18 | EC19 | EC20 | |||||
| . Correction of non-uniform image quality in image regions | . Control of image quality or removing borders outside image regions | . Prevention of fatigue or deterioration; Prolonging the life; Uniform use | . . Uniform use | . Restoration, maintenance, or correction of latent image potential during continuous copying | . Period for controlling image quality | . Control of image quality with microcomputers | . . Contents of programmes | |||||
| ED | ED00 CONTROLLED OBJECT FOR CONTROLLING TIMING OR SYNCHRONISATION |
ED01 | ED02 | ED03 | ED04 | ED05 | ED06 | ED07 | ED08 | ED09 | ED10 | |
| . Photoreceptors, e.g. drums or belts | . . Rotation of photoreceptors | . Charging | . Exposure scanning, e.g. exposure optical systems | . . Movable platen | . Image exposure | . Non-image exposure | . Developing | . . Developing bias | . . Toner supply | |||
| ED11 | ED12 | ED13 | ED15 | ED16 | ED17 | ED18 | ED19 | |||||
| . Conveying originals | . . Automatic feeding of originals | . Discharging originals | . Lighting, discharging, or charging before and after transfer | . Paper conveyance | . . Paper feeding or paper refeeding | . . Manual feeding | . . Paper discharge | |||||
| ED21 | ED22 | ED24 | ED25 | ED26 | ED27 | ED28 | ED29 | ED30 | ||||
| . Sorters | . . Bins for discharging papers | . Transfer or separation | . Fixing | . Discharging | . Cleaning | . . Blades | . Units for post-treatments, excluding sorters | . Others | ||||
| EE | EE00 MEANS OR METHOD FOR CONTROLLING TIMING OR SYNCHRONISATION |
EE01 | EE02 | EE03 | EE04 | EE05 | EE06 | EE07 | EE08 | EE09 | EE10 | |
| . Generating timing pulse | . Adjusting timing, e.g. timers or counters | . Controlling speed | . Controlling motors | . Stopping conveyance, positioning, or stopping movement | . Controlling with microcomputers | . . Contents controlled by programmes | . . Memory management | . . Inputting and outputting, or interrupting | . . Signal transmissions between controls | |||
| EF | EF00 TIMING OF CONTROL |
EF01 | EF02 | EF04 | EF06 | EF07 | EF08 | EF09 | EF10 | |||
| . at the time of switching-on | . . at preparatory rotation by photoreceptors | . during preheating | . at the beginning of copying | . . during precedent rotation of photoreceptors | . . Preliminary exposure scanning | . during copying | . . based on values sensed in the same copy cycle | |||||
| EF11 | EF12 | EF13 | EF15 | EF16 | EF17 | EF18 | ||||||
| . during rotating photoreceptors backward | . during period for the next copy cycle | . at the time of stopping copying | . during pause | . . saving power | . at the time of switching-off | . during switching-off | ||||||
| EG | EG00 CONTROLLING PERIOD OF OPERATION OR PAUSING |
EG02 | EG04 | EG06 | EG07 | EG08 | ||||||
| . of pausing the operation | . of pausing before the next operation | . of photoreceptor revolution or the rate of revolution | . . for preparation or pre-revolution | . . for post-revolution | ||||||||
| EH | EH00 PREPARATORY OPERATION |
EH01 | EH02 | EH03 | EH04 | EH06 | EH08 | EH10 | ||||
| . Returning, e.g. of optical systems or photoreceptors, to home positions | . Changing magnification, e.g. moving lenses | . Prevention of malfunction, or resetting of microcomputers or count values | . Setting number of papers to be copied | . Setting conditions for starting copying | . Generating signals for starting copying | . Generating signals for stopping copying | ||||||
| EJ | EJ00 SUPERVISION OR MANAGEMENT; POWER SOURCE OPERATION OR REMOTE CONTROL |
EJ01 | EJ02 | EJ03 | EJ04 | EJ05 | EJ06 | EJ08 | EJ09 | EJ10 | ||
| . Permission for use | . . using management cards or keys | . . preventing improper use; inputting personal codes | . Management of user codes or sections in office | . Cards for recording data | . Management of fee or number of pages | . Recording, storage, or indication of management data | . Specifying management data | . Deleting management data | ||||
| EJ11 | EJ13 | EJ15 | EJ17 | EJ18 | EJ19 | |||||||
| . Schedule managements; Work distributions | . Centralised management of multiple apparatuses | . Remote controls | . Power source operations | . . turning on-off automatically | . . . shutting power off automatically during pausing | |||||||
| EK | EK00 TREATING ABNORMALITY |
EK01 | EK03 | EK04 | EK05 | EK06 | EK07 | EK09 | EK10 | |||
| . Recording or storing states of devices | . Stopping device or prohibiting copying automatically | . Interrupting abnormal copings or resetting the copings | . Measures preventing power-downs; storing data | . Shutting power off automatically | . Inhibiting against shut-off power or against pausing copying | . against abnormal pause | . . Discharging papers or stopping paper feeding or conveying | |||||
| EK11 | EK13 | EK14 | EK15 | EK17 | EK19 | |||||||
| . according to seriousness or number of failures | . Compensation, e.g. of load fluctuations, under abnormal voltage | . Correcting or adding number of sheets to be copied | . Re-trying or replacing copying | . of microcomputers | . Controlling image qualities | |||||||
| FA | FA00 SELECTING COPY MODES; PROCESSING AGAINST INCORRECT SELECTION |
FA01 | FA02 | FA03 | FA04 | FA05 | FA06 | FA07 | FA08 | FA09 | FA10 | |
| . Setting number of originals | . Setting number of continuously copied sheets | . Setting size, e.g. of copy size | . . Size or orientation of originals | . . Size or orientation of transfer paper | . Setting magnification | . Selecting density | . Stop modes | . Selecting interrupt modes | . . Processing interruptions | |||
| FA11 | FA12 | FA13 | FA15 | FA16 | FA17 | FA18 | FA19 | FA20 | ||||
| . Selecting two-sided copy modes | . . of originals | . . processing two-sided copying | . Feeding transfer papers manually | . Modes for scanning exposure or types for moving optical systems | . . moving platens | . . moving originals | . . exposing multiple originals successively or separately | . Modes for feeding originals | ||||
| FA21 | FA22 | FA23 | FA24 | FA25 | FA27 | FA28 | FA30 | |||||
| . Selecting peripheral equipments | . . using automatic document feeders or ADF | . . using sorters or collating | . . . Modes other than collating | . Starting copying | . Modes for blank sheets or inserting sheets being separators | . Modes for colour copy or selecting colours | . Selecting other copy modes | |||||
| FA31 | FA32 | FA33 | FA35 | FA37 | FA40 | |||||||
| . Processing incorrect selections, e.g. inhibiting input | . . Inhibiting switching modes; Requesting re-selection | . . Automatic correction; Enforcing or limiting modes | . Changing modes; Processing for changed mode | . Manual switching between automatic, manual and standard modes | . Temporary storage of mode input by keys | |||||||
| FB | FB00 AUTOMATIC SETTING OR SWITCHING OF COPY MODE |
FB01 | FB02 | FB03 | FB04 | FB05 | FB06 | FB07 | FB09 | FB10 | ||
| . Methods or conditions for inputting or sensing | . . for automatic continuous copying using stored data | . . using cards or marks on sheets or originals | . . by mounting operating units | . . reading images of originals | . . reading data set manually | . . reading giving results | . . for lack of transfer papers | . . for refilling transfer papers | ||||
| FB11 | FB12 | FB13 | FB14 | FB15 | FB16 | FB17 | FB18 | FB19 | ||||
| . Functions to be set, e.g. two-sided copying | . . Magnification | . . Transfer paper cassettes | . . Size of originals to be copied | . . Density or image quality of originals to be copied | . Processes for treating settings whose automatics are unavailable | . . inhibiting automatic copying | . . switching to standard or manual mode automatically | . Changing modes automatically | ||||
| FC | FC00 SETTING OR SELECTING STANDARD MODE |
FC01 | FC02 | FC03 | FC04 | FC05 | FC07 | FC08 | FC09 | |||
| . of standard modes | . . determining priority | . . registering or calling plural standard modes | . Inputting clear-key or cancelling input modes | . . inhibiting clear keys | . Resetting copy modes, e.g. changing to standard mode as batches | . . resetting timers | . . inhibiting resetting | |||||
| FD | FD00 EDITING IMAGE |
FD01 | FD02 | FD03 | FD04 | FD06 | FD08 | FD10 | ||||
| . Overlaying, synthesising, moving or erasing | . Deformation | . Selecting copy ranges or positions | . Providing margins | . by detecting marks or colours | . with image memories | . Printing additional information, e.g. pages or sections in office | ||||||
| GA | GA00 INPUTTING; PANEL FOR DISPLAYING |
GA01 | GA03 | GA05 | GA08 | |||||||
| . Kinds, structures, or arrangements of inputting or displaying devices | . . arranging operating or displaying panels | . . Units detachable or housed | . . arranging input operating devices | |||||||||
| GA11 | GA12 | GA13 | GA14 | GA15 | GA16 | GA17 | GA18 | GA19 | GA20 | |||
| . . Kinds or structures of operating devices | . . . Switches or buttons | . . . . for power source | . . . . Numeric keypads | . . . . Special keys, e.g. recall keys | . . . . Up-down keys | . . . using bar-codes | . . . using analogue or slide levers | . . . using voice | . . . using special means, e.g. touch input or pedal input | |||
| GA21 | GA22 | GA23 | GA24 | GA25 | GA26 | GA27 | GA28 | GA29 | GA30 | |||
| . . Kinds or structures of output devices, e.g. printer outputs | . . . Kinds of display units | . . . . using displaying elements, e.g. light-emitting elements or liquid crystals | . . . . . Segments | . . . . . Dot matrices | . . . . Scanning, e.g. CRT | . . . . Non-electrical indication, e.g. printed labels | . . . arranging display units | . . . Structures of display units | . . . Apparatuses generating sounds or warnings | |||
| GA31 | GA32 | GA33 | GA34 | GA35 | GA36 | GA37 | GA39 | |||||
| . Controlling devices for inputting or displaying | . . using microcomputers | . . operating devices | . . . Methods for setting thereof | . . . combined with key switches | . . . inhibiting input or preventing incorrect input | . . . authorising input | . . . inputting according to number of pressing times pressed or to period of pressing | |||||
| GA41 | GA42 | GA43 | GA44 | GA45 | GA46 | GA47 | GA48 | GA49 | GA50 | |||
| . . controlling devices for output or indication | . . . Methods for displaying output data | . . . . of images or by projection or monitors | . . . . of colours | . . . . of pictographs, figures or layouts | . . . . of symbols or codes | . . . . of text | . . . . . of speech, e.g. voice synthesis | . . . . of numerals | . . . . of quantity or length | |||
| GA52 | GA53 | GA54 | GA56 | GA59 | GA60 | |||||||
| . . . combined with display units or changing displaying ways | . . . Resetting indication | . . . Timing of indication | . . . displaying functions of keys or menu | . . . turning off indication | . . . blinking indication | |||||||
| GB | GB00 INDICATING DETAILS, COMBINED WITH SENSING AND MODE SELECTION |
GB01 | GB02 | GB03 | GB04 | GB05 | GB06 | GB07 | GB08 | GB09 | GB10 | |
| . Results detected by sensors | . . Physical quantities | . . Insufficiency or remaining of supplies or transfer papers | . . Size or orientation | . Working conditions of devices | . . of paper jamming | . . of failures or abnormalities | . . of locations of jamming or failures or of details thereof | . of abnormal processes or details of processes | . Advance notice | |||
| GB11 | GB12 | GB13 | GB14 | GB15 | GB16 | GB17 | GB18 | GB19 | GB20 | |||
| . of count results | . . of the number of a series of sheets copied successively | . of conditions of setting or selection not covered by FA-FD | . . of set modes | . . . of the number of sheets to be copied | . . . of size, orientation, or magnification | . of time periods | . of time pieces | . of operating procedures | . Setting or change of details indicated | |||
| HA | HA00 INSPECTION OR EXAMINATION OF FAILURES OR ABNORMALITIES; SELF-DIAGNOSIS |
HA01 | HA02 | HA03 | HA04 | HA06 | HA07 | HA08 | HA09 | HA10 | ||
| . Checking or inspection of failures or abnormalities | . . Configurations for inspection or examination | . . Timing | . . . for detecting abnormalities | . Selecting self-diagnosis or diagnosis modes | . . Trial printing | . . Elements to be examined | . . Disabling detections, e.g. caused by paper jams | . . Identifying locations of abnormalities | ||||
| HA11 | HA12 | HA13 | HA14 | HA15 | HA16 | HA17 | HA18 | HA19 | HA20 | |||
| . Elements to be inspected, examined, or diagnosed | . . Device elements | . . Sensors | . . . examining or correcting variations in sensors | . . Controllers | . . . of microcomputers | . . Line failures or faulty connections | . . Timing, e.g. of pulses | . . Transmission errors | . . Input and output devices | |||
| HB | HB00 MAINTENANCE, REPLACEMENT, OR ADJUSTMENT |
HB01 | HB02 | HB04 | HB05 | HB06 | HB07 | HB09 | ||||
| . Determining timing of maintenance | . . according to the amount or times of use | . Adjustment or control during maintenance | . . according to component information | . . Selecting details or modes thereof | . . . Setting time, timing, speed, or count values | . . . Adjusting sensing levels | ||||||
| HB11 | HB12 | HB13 | HB14 | HB15 | HB16 | HB17 | HB18 | HB19 | HB20 | |||
| . Elements maintained or replaced | . . Waste toners | . . Toner supplied or developing units | . . Photoreceptors | . . Process units | . . Other device elements or device units | . Continuous recording, storing, or reading of failure or maintenance information | . Structures facilitating maintenance, e.g. two-piece structures | . Cleaning components | . Maintaining or cleaning sensors | |||
| JA | JA00 PURPOSE FOR ADJUSTING ENVIRONMENT |
JA01 | JA02 | JA03 | JA06 | JA07 | JA08 | |||||
| . Removal of harmful substances or deodorisation | . . of ozone | . . preventing or collecting dust | . Blocking light or preventing light emission | . . for protecting human bodies | . . for protecting photoreceptors | |||||||
| JA11 | JA12 | JA14 | JA15 | JA16 | JA17 | JA18 | JA19 | JA20 | ||||
| . Measures against high temperatures | . Measures against low temperatures or prevention of condensation | . Adjusting humidity excluding that by adjusting temperature | . . for humidification | . . for dehumidification | . Soundproofing or prevention of vibration | . Prevention of electric shock | . Prevention of charging or discharging, e.g. of transfer papers | . Others e.g. for preventing high frequencies | ||||
| JB | JB00 MEANS OR METHODS FOR ADJUSTING ENVIRONMENT |
JB01 | JB02 | JB03 | JB04 | JB05 | JB06 | JB07 | JB08 | JB09 | ||
| . Using filters | . . Structures | . . Arrangements | . Using materials for decomposition or absorption | . . Kinds of materials | . . Arrangement of materials | . Thermal decomposition | . Electrostatic adsorption | . Magnetic attraction | ||||
| JB11 | JB12 | JB13 | JB14 | JB15 | JB16 | JB17 | JB18 | JB19 | JB20 | |||
| . Structures for air conditioning; Layouts of apparatus elements | . . Structure, shape, or arrangement of flow-regulating plates or thermal shielding plates | . . Structure or layout of ventilation passages | . . . using ventilation pipes | . . . Structure or arrangement of air inlets or outlets | . Structure or arrangement of fans for air intake, exhaust or blowing | . . for exhausting | . . Structures | . Applying hot air; heating or dehumidifying lamps | . Forced cooling, e.g. coolants | |||
| JB21 | JB22 | JB23 | JB24 | JB25 | JB26 | JB27 | JB28 | JB29 | JB30 | |||
| . Controlling | . . Drive control fans, e.g. forward and backward rotations | . . . starting or stopping | . . . switching abilities | . . . of exhaust apparatuses | . . using movable plates | . . . for opening or closing air inlets or outlets | . . . for changing ventilation passages | . . . for shielding insides of apparatuses | . Others | |||
| JC | JC00 LOCATIONS TO BE ADJUSTED FOR ENVIRONMENTS |
JC01 | JC02 | JC03 | JC04 | JC05 | JC06 | JC07 | JC08 | JC09 | ||
| . Photoreceptors | . Charging apparatuses | . . Transfer, separation, or discharging | . Exposure sections or platens | . . Lasers | . Developing sections | . Cleaning sections | . Fixing sections | . Transfer or separation means other than charging | ||||
| JC11 | JC12 | JC13 | JC14 | JC15 | JC16 | JC18 | JC20 | |||||
| . Transfer papers | . . before feeding | . . under conveyance | . Conveying apparatuses | . Process units | . Motors; Power source apparatuses | . Controllers | . Others | |||||
| ZA | ZA00 OTHERS |
ZA01 | ZA03 | ZA04 | ZA05 | ZA07 | ZA08 | ZA09 | ZA10 | |||
| . Power source apparatuses | . Safety apparatuses | . . Safety switches | . . Locking mechanisms | . Devices used as a facsimile or printer | . Using microcomputer interfaces or ports | . Wiring, connectors, or signal transmission structures | . Specific layouts being a premise |