JPS57118255A - Electrostatic recorder - Google Patents

Electrostatic recorder

Info

Publication number
JPS57118255A
JPS57118255A JP56003253A JP325381A JPS57118255A JP S57118255 A JPS57118255 A JP S57118255A JP 56003253 A JP56003253 A JP 56003253A JP 325381 A JP325381 A JP 325381A JP S57118255 A JPS57118255 A JP S57118255A
Authority
JP
Japan
Prior art keywords
developing
exposure
potential
trouble
command
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.)
Pending
Application number
JP56003253A
Other languages
Japanese (ja)
Inventor
Koki Kuroda
Koji Suzuki
Joji Nagahira
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 JP56003253A priority Critical patent/JPS57118255A/en
Priority to US06/338,045 priority patent/US4511240A/en
Publication of JPS57118255A publication Critical patent/JPS57118255A/en
Priority to US06/921,103 priority patent/US4755850A/en
Pending 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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5037—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor the characteristics being an electrical parameter, e.g. voltage
    • 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
    • G03G15/065—Arrangements for controlling the potential of the developing electrode

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Developing For Electrophotography (AREA)
  • Exposure Or Original Feeding In Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)

Abstract

PURPOSE:To permit continuation of normal copying even in the event of a trouble in a control system in an electrophotographic copier which controls electrostatic charging, exposure and developing in accordance with the measured value of the potential on the surface of aphotosensitive drum by releasing the controlling by the command from the outside. CONSTITUTION:The potential on the surface 1 of a photosensitive drum is measured with a surface potential sensor 7, and in accordance with the result thereof, the quantity of an exposure lamp, the voltage to be supplied to an electrostatic charger, developing bias, etc. are controlled so that the best image is obtained. If said control is infeasible on account of a trouble in the sensor 7, etc., the normal copying operation cannot be made and therefore a command is given from the outside to a microcomputer 15 so as to skip the control routines of exposure, electrostatic charging and developing discretely, and the copying operation is continued at the standard quantity of light, charging quantity and developing bias value.
JP56003253A 1981-01-13 1981-01-14 Electrostatic recorder Pending JPS57118255A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP56003253A JPS57118255A (en) 1981-01-14 1981-01-14 Electrostatic recorder
US06/338,045 US4511240A (en) 1981-01-13 1982-01-08 Electrostatic recording apparatus
US06/921,103 US4755850A (en) 1981-01-13 1986-10-21 Electrostatic recording apparatus including a controlled developer device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56003253A JPS57118255A (en) 1981-01-14 1981-01-14 Electrostatic recorder

Publications (1)

Publication Number Publication Date
JPS57118255A true JPS57118255A (en) 1982-07-23

Family

ID=11552293

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56003253A Pending JPS57118255A (en) 1981-01-13 1981-01-14 Electrostatic recorder

Country Status (1)

Country Link
JP (1) JPS57118255A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60257457A (en) * 1984-06-05 1985-12-19 Fuji Xerox Co Ltd Control method of automatic density adjustment
JPS61128657U (en) * 1985-01-29 1986-08-12
JPS6291972A (en) * 1985-10-18 1987-04-27 Fuji Xerox Co Ltd Copying machine
JP2009243881A (en) * 2009-07-30 2009-10-22 Mitsubishi Electric Corp Heat pump device and outdoor unit of heat pump device
USRE43805E1 (en) 2004-10-18 2012-11-20 Mitsubishi Electric Corporation Refrigeration/air conditioning equipment
US8899058B2 (en) 2006-03-27 2014-12-02 Mitsubishi Electric Corporation Air conditioner heat pump with injection circuit and automatic control thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60257457A (en) * 1984-06-05 1985-12-19 Fuji Xerox Co Ltd Control method of automatic density adjustment
JPS61128657U (en) * 1985-01-29 1986-08-12
JPS6291972A (en) * 1985-10-18 1987-04-27 Fuji Xerox Co Ltd Copying machine
USRE43805E1 (en) 2004-10-18 2012-11-20 Mitsubishi Electric Corporation Refrigeration/air conditioning equipment
USRE43998E1 (en) 2004-10-18 2013-02-19 Mitsubishi Electric Corporation Refrigeration/air conditioning equipment
US8899058B2 (en) 2006-03-27 2014-12-02 Mitsubishi Electric Corporation Air conditioner heat pump with injection circuit and automatic control thereof
JP2009243881A (en) * 2009-07-30 2009-10-22 Mitsubishi Electric Corp Heat pump device and outdoor unit of heat pump device

Similar Documents

Publication Publication Date Title
JPS57202569A (en) Electrophotographic copier
JPS5823043A (en) Automatic density controlling method of copying machine
JPS5518667A (en) Stabilization method of image density
JPS57118255A (en) Electrostatic recorder
JPS57102667A (en) Control unit of electronic copying machine
JPS5784463A (en) Image former
ES8607577A1 (en) Method and device for getting a predetermined value of potential by the illumination of electrostatically charged photoconductive layers.
JPS5473055A (en) Charge quantity controller in electrophotographic copier
JPS5741671A (en) Copying device
JPS57169763A (en) Picture recording controller
JPS56150762A (en) Control method for surface potential of photoreceptor of electrophotographic copier
JPS6473363A (en) Exposure controller in image forming device
JPS5560968A (en) Electrophotographic copier
JPS54103359A (en) Toner density controller
JPS5785062A (en) Control device for copying density of electrophotographic copier
JPS578553A (en) Recording device
JPS57130062A (en) Electrostatic recorder
JPS57163241A (en) Picture recording controller
JPS57185072A (en) Picture stabilizing method for picture forming device
JPS5724959A (en) Electrostatic recorder
JPS55149953A (en) Electric charging control method
JPS5590966A (en) Electrophotographic copier
JPS5660473A (en) Light quantity control system of toner exfoliation promoting light source of copying machine
JPS57158851A (en) Image recording controller
JPS57129453A (en) Multi-mode copying machine