JP4416254B2 - 画像形成装置 - Google Patents

画像形成装置 Download PDF

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Publication number
JP4416254B2
JP4416254B2 JP2000047416A JP2000047416A JP4416254B2 JP 4416254 B2 JP4416254 B2 JP 4416254B2 JP 2000047416 A JP2000047416 A JP 2000047416A JP 2000047416 A JP2000047416 A JP 2000047416A JP 4416254 B2 JP4416254 B2 JP 4416254B2
Authority
JP
Japan
Prior art keywords
recording medium
timing
separation
average value
photosensitive drum
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.)
Expired - Fee Related
Application number
JP2000047416A
Other languages
English (en)
Japanese (ja)
Other versions
JP2001235991A (ja
JP2001235991A5 (https=
Inventor
俊彦 堀越
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP2000047416A priority Critical patent/JP4416254B2/ja
Priority to US09/792,427 priority patent/US6535698B2/en
Publication of JP2001235991A publication Critical patent/JP2001235991A/ja
Publication of JP2001235991A5 publication Critical patent/JP2001235991A5/ja
Application granted granted Critical
Publication of JP4416254B2 publication Critical patent/JP4416254B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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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
    • G03G15/65—Apparatus which relate to the handling of copy material
    • G03G15/6532—Removing a copy sheet form a xerographic drum, band or plate
    • G03G15/6535—Removing a copy sheet form a xerographic drum, band or plate using electrostatic means, e.g. a separating corona
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H7/00—Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles
    • 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
    • G03G15/70—Detecting malfunctions relating to paper handling, e.g. jams
    • 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
    • G03G15/70—Detecting malfunctions relating to paper handling, e.g. jams
    • G03G15/706—Detecting missed stripping form xerographic drum, band or plate
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2511/00—Dimensions; Position; Numbers; Identification; Occurrences
    • B65H2511/50—Occurence
    • B65H2511/52—Defective operating conditions
    • B65H2511/528—Jam
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2513/00—Dynamic entities; Timing aspects
    • B65H2513/50—Timing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • B65H2557/23—Recording or storing data
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2557/00—Means for control not provided for in groups B65H2551/00 - B65H2555/00
    • B65H2557/20—Calculating means; Controlling methods
    • B65H2557/24—Calculating methods; Mathematic models
    • 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
    • G03G2215/00362—Apparatus for electrophotographic processes relating to the copy medium handling
    • G03G2215/00535—Stable handling of copy medium
    • G03G2215/00548—Jam, error detection, e.g. double feeding

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Controlling Sheets Or Webs (AREA)
  • Paper Feeding For Electrophotography (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
JP2000047416A 2000-02-24 2000-02-24 画像形成装置 Expired - Fee Related JP4416254B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2000047416A JP4416254B2 (ja) 2000-02-24 2000-02-24 画像形成装置
US09/792,427 US6535698B2 (en) 2000-02-24 2001-02-23 Recording medium conveyance method and apparatus for an image forming apparatus, and an image forming apparatus thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2000047416A JP4416254B2 (ja) 2000-02-24 2000-02-24 画像形成装置

Publications (3)

Publication Number Publication Date
JP2001235991A JP2001235991A (ja) 2001-08-31
JP2001235991A5 JP2001235991A5 (https=) 2007-04-12
JP4416254B2 true JP4416254B2 (ja) 2010-02-17

Family

ID=18569666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2000047416A Expired - Fee Related JP4416254B2 (ja) 2000-02-24 2000-02-24 画像形成装置

Country Status (2)

Country Link
US (1) US6535698B2 (https=)
JP (1) JP4416254B2 (https=)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6813450B2 (en) * 2002-06-04 2004-11-02 Hewlett-Packard Development Company, L.P. Systems and methods for device degradation determination and resolution by event occurrence recordation and timing analysis
JP2005091740A (ja) * 2003-09-17 2005-04-07 Sharp Corp 画像形成装置
DE102006027872A1 (de) * 2006-06-16 2007-12-27 Siemens Ag Verfahren zur Vereinzelung von Gütern
JP4782650B2 (ja) * 2006-09-27 2011-09-28 株式会社リコー 画像形成装置、及び画像形成装置用搬送制御・画像形成制御方法
JP5369949B2 (ja) * 2009-07-10 2013-12-18 株式会社リコー 故障診断装置、故障診断方法及び記録媒体
JP6026984B2 (ja) * 2013-10-15 2016-11-16 富士フイルム株式会社 ジャム検出装置、搬送装置、画像記録装置、及び接続状態検出方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH066630Y2 (ja) * 1986-09-04 1994-02-16 株式会社ケンウッド Ｄ／ａコンバ−タの歪低減回路
JPH08166746A (ja) * 1994-12-14 1996-06-25 Canon Inc 画像形成装置
JP3460425B2 (ja) * 1995-03-16 2003-10-27 富士ゼロックス株式会社 画像形成装置
US5550614A (en) * 1995-06-05 1996-08-27 Ricoh Company, Ltd. Method and system for detecting and distinguishing between blank pages within a reproduction job
US5799226A (en) * 1996-06-21 1998-08-25 Konica Corporation Electrostatic image forming apparatus with transfer controls for different imaging modes

Also Published As

Publication number Publication date
JP2001235991A (ja) 2001-08-31
US20010033753A1 (en) 2001-10-25
US6535698B2 (en) 2003-03-18

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