GB9525294D0 - Electrophotographic apparatus and method - Google Patents

Electrophotographic apparatus and method

Info

Publication number
GB9525294D0
GB9525294D0 GB9525294A GB9525294A GB9525294D0 GB 9525294 D0 GB9525294 D0 GB 9525294D0 GB 9525294 A GB9525294 A GB 9525294A GB 9525294 A GB9525294 A GB 9525294A GB 9525294 D0 GB9525294 D0 GB 9525294D0
Authority
GB
United Kingdom
Prior art keywords
electrophotographic apparatus
electrophotographic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
GB9525294A
Other versions
GB2308096A (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ricoh Europe PLC
Original Assignee
Ricoh Europe PLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ricoh Europe PLC filed Critical Ricoh Europe PLC
Priority to GB9525294A priority Critical patent/GB2308096A/en
Publication of GB9525294D0 publication Critical patent/GB9525294D0/en
Priority to AU11038/97A priority patent/AU1103897A/en
Priority to PCT/GB1996/003045 priority patent/WO1997022039A1/en
Publication of GB2308096A publication Critical patent/GB2308096A/en
Withdrawn legal-status Critical Current

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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105—Details of unit
    • G03G15/0126—Details of unit using a solid 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
    • G03G15/0848—Arrangements for testing or measuring developer properties or quality, e.g. charge, size, flowability
    • G03G15/0849—Detection or control means for the developer concentration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
    • H04N1/23—Reproducing arrangements
    • H04N1/29—Reproducing arrangements involving production of an electrostatic intermediate picture
    • H04N1/295—Circuits or arrangements for the control thereof, e.g. using a programmed control device, according to a measured quantity
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Color Electrophotography (AREA)
GB9525294A 1995-12-11 1995-12-11 Electrophotographic apparatus Withdrawn GB2308096A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB9525294A GB2308096A (en) 1995-12-11 1995-12-11 Electrophotographic apparatus
AU11038/97A AU1103897A (en) 1995-12-11 1996-12-10 Electrophotographic apparatus and method
PCT/GB1996/003045 WO1997022039A1 (en) 1995-12-11 1996-12-10 Electrophotographic apparatus and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9525294A GB2308096A (en) 1995-12-11 1995-12-11 Electrophotographic apparatus

Publications (2)

Publication Number Publication Date
GB9525294D0 true GB9525294D0 (en) 1996-02-07
GB2308096A GB2308096A (en) 1997-06-18

Family

ID=10785244

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9525294A Withdrawn GB2308096A (en) 1995-12-11 1995-12-11 Electrophotographic apparatus

Country Status (3)

Country Link
AU (1) AU1103897A (en)
GB (1) GB2308096A (en)
WO (1) WO1997022039A1 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62280961A (en) * 1986-05-30 1987-12-05 Canon Inc Control system
JPS6411268A (en) * 1987-07-03 1989-01-13 Minolta Camera Kk Counting system for copying machine
US4969011A (en) * 1989-04-27 1990-11-06 Xerox Corporation Toner control system for xerographic reproduction machine
US4974024A (en) * 1989-07-03 1990-11-27 Xerox Corporation Predictive toner dispenser controller
US5075726A (en) * 1989-07-28 1991-12-24 Konica Corporation Toner density control device with adjustable reference values for multiple developer copier
JP3018395B2 (en) * 1990-05-15 2000-03-13 ミノルタ株式会社 Toner density control device for image forming apparatus
US5202769A (en) * 1990-12-10 1993-04-13 Fuji Xerox Co., Ltd. Digital electrostatic printing apparatus using a counted number of pixels of various densities to determine and control an amount of toner used during image development
GB2259583B (en) * 1991-09-11 1995-08-16 Xerox Corp Toner monitoring in an electrostatographic printing/digital copying machine
US5305199A (en) * 1992-10-28 1994-04-19 Xerox Corporation Consumable supplies monitoring/ordering system for reprographic equipment
US5383129A (en) * 1993-08-31 1995-01-17 Xerox Corporation Method of estimating cost of printing materials used to print a job on a printing apparatus
US5604578A (en) * 1994-12-27 1997-02-18 Kabushiki Kaisha Toshiba Color image forming apparatus having a function of determining a charge value charged on a customer according to an amount of recording material

Also Published As

Publication number Publication date
AU1103897A (en) 1997-07-03
WO1997022039A1 (en) 1997-06-19
GB2308096A (en) 1997-06-18

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)